Liquid Silicone Rubber

Liquid Silicone Rubber (LSR) Market Growth 2021~2026 -Global Industry Size, Analysis, Share, Trends, Market Demand, Growth, Opportunities and Forecast


Liquid Silicone Rubber (LSR) Market Growth 2021-2026 Global Industry research report presents you analysis of market size, share, and growth, trends, and cost structure, statistical and comprehensive data of the global market. Liquid Silicone Rubber (LSR) Market Report will add the analysis of the impact of COVID-19 on this industry.




Global Liquid Silicone Rubber (LSR) Market (2021-2026) Research Report is a professional and in-depth study on the current state of the Global Liquid Silicone Rubber (LSR) industry. Moreover, research report categorizes the global Liquid Silicone Rubber (LSR) market by top players/brands, region, type and end user. This report also studies the global Liquid Silicone Rubber (LSR) market status, competition landscape, market share, growth rate, future trends, market drivers, opportunities and challenges, sales channels and distributors. Regionally, this report categorizes the production, apparent consumption, export and import of Liquid Silicone Rubber (LSR) in North America, Europe, China, Japan, Southeast Asia and India, etc.


Impact of COVID-19 on Liquid Silicone Rubber (LSR) Market:

Liquid Silicone Rubber (LSR) Market report analyses the impact of Coronavirus (COVID-19) on the Liquid Silicone Rubber (LSR) industry. Liquid Silicone Rubber (LSR) Market report explained the impact of the COVID-19 outbreak on the industry was fully assessed. Fully risk assessment and industry recommendations were made for Liquid Silicone Rubber (LSR) in a special period. This report also compares the market of Pre COVID-19 and Post COVID-19. Also report covers the analysis of the impact of COVID-19 from the perspective of the industry chain.


The biggest highlight of the report is to provide companies in the industry with a strategic analysis of the impact of COVID-19. At the same time, this report analyzed the market of leading 20 countries and introduce the market potential of these countries.


Foshan Tian Bao Li Silicon Engineering Technology Co.,LTD is a major player in Liquid Silicone Rubber (LSR) Market. We would like to share the Liquid Silicone Rubber (LSR) Market research report with you!



Key Points Chapter wise Covered in this Liquid Silicone Rubber (LSR) Market research report:

Chapter 1 is the basis of the entire report. In this chapter, we define the market concept and market scope of Liquid Silicone Rubber (LSR), including product classification, application areas, and the entire report covered area.

Chapter 2 is the core idea of the whole report. In this chapter, we provide a detailed introduction to our research methods and data sources.

Chapter 3 focuses on analyzing the current competitive situation in the Liquid Silicone Rubber (LSR) market and provides basic information, market data, product introductions, etc. of leading companies in the industry. At the same time, Chapter 3 includes the highlighted analysis--Strategies for Company to Deal with the Impact of COVID-19.

Chapter 4 provides breakdown data of different types of products, as well as market forecasts.

Different application fields have different usage and development prospects of products. Therefore, Chapter 5 provides subdivision data of different application fields and market forecasts.

Chapter 6 includes detailed data of major regions of the world, including detailed data of major regions of the world. North America, Asia Pacific, Europe, South America, Middle East and Africa.

Chapters 7-26 focus on the regional market. We have selected the most representative 20 countries from 197 countries in the world and conducted a detailed analysis and overview of the market development of these countries.

Chapter 27 focuses on market qualitative analysis, providing market driving factor analysis, market development constraints, PEST analysis, industry trends under COVID-19, market entry strategy analysis, etc.


Competitive Analysis on Liquid Silicone Rubber (LSR) Market:

Liquid Silicone Rubber (LSR) serious scene gives subtleties by merchants, including organization outline, organization complete revenue, market potential, worldwide presence, Liquid Silicone Rubber (LSR) deals and revenue created, overall industry value, SWOT examination, Product launch. For the period 2021-2026, this investigation gives the Liquid Silicone Rubber (LSR) deals, revenue and Value of the overall industry for every player canvassed in this report.


Global Liquid Silicone Rubber (LSR) Market Segmentation:

Global Liquid Silicone Rubber (LSR) Market is segmented in various types and applications according to product type and category. In terms of Value and Volume the growth of market calculated by providing CAGR for forecast period for year 2021 to 2026.


The Global Liquid Silicone Rubber Market size is forecast to reach USD 4.06 Billion by 2027 Increased demand for medical implants, expansion of the automotive industry, and the growing geriatric population have augmented the growth of the liquid silicone rubber market.


Some notable traits of liquid silicone rubber are durability, high dielectric strength, resistance to high temperature, and tensile strength, making it apt for various industrial applications ranging from the healthcare sector to the electronics industry. A combination of these characteristics, like lightweight and durability, has resulted in the increased use of liquid silicone rubber in the automotive industry.


Moreover, the food and beverage sector is also expanding. Such expansion in the food and beverage industry is positively impacting the growth of the market. Traits of liquid silicone rubber, such as hydrophobic, bacteria resistance, and odorless, have resulted in its increased application in the food and beverage sector, which has, in turn, encouraged the growth of the liquid silicone rubber market.


As LSR Liquid silicone rubber are soft and flexible, they are gaining popularity as food molds. Advancements in the healthcare sector, demand for artificial joints, increased life expectancy, and demand for implants are driving factors for the growth of the market. Liquid silicone rubber characteristics like bacteria & chemical resistance and biocompatibility make it suitable for application in the healthcare sector.


Regionally, Asia Pacific is forecast to witness the highest growth rate over the forecast period. Factors like the availability of labor, the presence of a large number of R&D centers, and established distribution channels of multinational companies have contributed to the market growth of this region.


Further key findings from the report suggest

  • The liquid silicone rubber material market held a market share of USD 2.27 Billion in 2019, which is forecast to grow at a rate of 7.1% over the forecast period.
  • Emphasis on R&D and technological advancements by key players like Dow Corning, as well as the introduction of new products, would enhance opportunities of the liquid silicone rubber market over the forecast period, which would positively impact market growth.
  • In terms of grade, the industrial segment is estimated to lead with the highest revenue share of 43% in the year 2019, with a considerable growth rate of 7.5% during the forecast period. Factors like the increased application of liquid silicone rubber in the automotive sector for manufacturing various parts of the automobile, along with its use in different other industrials purposes, have contributed to the revenue generated by this segment.
  • Based on the curing system, the injection molding segment is dominating the market that generated the highest revenue share of 48% in 2019, with a growth rate of 7.4% during the forecast period. Factors such as the increased demand for liquid silicone rubber in the industrial segment and this type of curing system is useful in producing durable parts in large volume as per the need of various industries are contributing to the revenue generated by this segment.
  • In context to application areas, the sealing, coatings, and gaskets segment is dominating the market, occupying 20% of the market in 2019 and is forecast to hold 21% of the market by 2027. The market share occupied by the sealing, coatings, and gaskets segment results from the expansion of the automotive industry and features of liquid silicone rubber, such as durability and corrosion resistance that makes it apt for application in this segment.
  • With regard to end-use, the automotive industry segment is projected to generate the highest revenue of USD 1.49 Billion by 2027, with a CAGR of 7.3% during the forecast period. Features like the light weight of liquid silicone rubber, temperature resistance, water repellence, and high tear strength have increased the application of liquid silicone rubber in this segment, contributing to the revenue yielded by it.
  • Asia Pacific generated a revenue of approximately USD 0.39 Billion in 2019, with the highest growth rate of 8.8% over the forecast period. Factors like development in the manufacturing sector, easy availability of labor, and developments in healthcare and automotive industries have contributed to the revenue generated by this region.


How LSR Liquid silicone rubber can reduce production times for the wearable medical technology market. We are glad to examines how versatile LSR Liquid silicone rubber can help medical device makers reduce time and cost for new product development.





Wearable Inhaler

As the wearable medical technology market is growing, liquid silicone rubber (LSR) material science is rapidly advancing with it. The industry shift toward wearable health devices and externally communicating medical tools has led to higher growth in both traditional rubber applications and newer ones. The unique properties of LSR – and other silicone materials – have played an important role to reduce time, cost and approval processes for development of new medical devices and drugs for decades because of their safe long proven history in the market


Accepted for a variety of medical uses since the early 1950s, silicone materials have two properties that are critical for driving industry innovation: biocompatibility and biodurability. Silicone elastomers are the material of choice for long-term medical implants since they can last for more than 30 years – far longer than any other material. Because silicones are inert, they are biocompatible with the human body, with no adverse effects on human health.


Extensively studied and approved by the US. Food and Drug Administration (FDA), the proven biocompatibility of silicone materials simplifies new drug and device approvals. They also offer a range of unique properties that no other class of polymer offers. For instance, LSRs offer properties not obtainable with organic rubber materials, especially heat resistance, extreme low-temperature flexibility,  biological inertness, and an intrinsic capacity for.


LSR innovations

Recent advances in chemical formulations which improve injection molding processability of LSRs for the ongoing replacement of traditional materials in respiratory, external communicating and wearable monitoring devices, among others. Ideal for intricate designs and close-tolerance parts, LSRs are pumpable thermosetting silicone elastomers that can be processed by molding equipment.


In fact, LSR product development has resulted in the improved processing parameters to provide the greatest value and ease of use. The handling of LSR materials during injection molding is an inherently clean production process since the component chemicals are sealed within a closed system. Ambient air contacts the cured parts when they are removed from the mold, which limits exposure to the manufacturing environment. This also improves part quality, because contaminants can diminish physical properties of the cured rubber.


Liquid silicone rubbers are two-part, platinum-catalyzed elastomers with an operating temperature range between -40°C to 200°C, with short peaks up to 260°C. With post cure, LSR offer a very low compression set and has improved durability over organic rubbers. These polymers are translucent, and can be pigmented to match many color requirements. New LSR formulations can cure at lower temperatures and have quick cycle times, which translates into quicker processing and greater throughput.


Next-gen LSR from TBL Silicone Medical Solutions

TBL Silicone recently introduced new LSR designed specifically for applications serving respiratory care, externally communicating devices, wearable monitoring and related components for medical device applications.


TBL-8880 Series Medical Grade Liquid Silicone Rubber


Product Description:

TBL-8880 series is two-component additive molding series liquid silicone rubber. It has fast solidification and molding speed in high temperature and adopts the liquid injection molding process technology.

The product conforms to ISO10993 Bio-compatibility requests. It can be widely used in manufacturing of medical grade products, such as medical catheter, negative pressure ball, laryngeal masks,etc.


Product Features:

• Formulated to meet the requirements of Bio-compatibility

• High Transparency

• High Strength

• Good yellowing resistance

• Rapid prototyping


Main Technical Parameters:































/Shore A







Tensile Strength/MPa














Tear Strength








Specific Gravity








Molding Condition: 130°C X 5Min

Above data are for reference only. Factory quality inspection report shall prevail for latest testing standard and data.


Due to the fact that the world’s aging population will more than double and people 65-plus will be by 2050, these new LSR liquid silicone rubber products were developed with their needs in mind. The aging population requires affordability, comfort and convenience in their medical supplies, and TBL Silicone is helping our medical device customers create cost-effective and innovative new products that meet those needs.


The future is now

Wearable technology is a case in point. Wearable fitness trackers, such as FitBit and Jawbone, are largely responsible for the expansion of the flexible wearables category. LSR liquid silicone rubber are an ideal fit for wearable devices worn under frequent outdoor sun exposure because they can handle a wide range of temperatures, moisture, ultraviolet light, and ozone without degrading. Wearable devices manufactured with suitable LSR liquid silicone rubber are unlikely to cause adverse skin reactions, even when they are worn for extended periods of time.


Medical device makers dedicated to exploring new directions and creating the next generation of medical device technology are paying close attention to the evolution of LSR liquid silicone rubber material science. The LSR liquid silicone rubber space is rapidly expanding with new and improved materials that are replacing more traditional materials with longer-lasting, more versatile, and cost-effective solutions. LSR liquid silicone rubber bring all the well-known advantages of silicone materials for medical device applications to bear, including safe, proven and consistent


Moving on up: Advancing the medical market with LSR liquid silicone rubber


TBL Silicone explains how it’s taking 2C LSR technology to the next level.



Medical Device Manufacturing


It is revolutionizing the healthcare and medical market with its liquid silicone rubber (LSR) and two-component injection (2C) technology, which are said to produce innovative solutions for medical device manufacturers and end-users.


The benefit to the device manufacturer is a hygienic, robust and cost-effective product design, often combining multiple components and functions into a single one, eliminating the risk and cost associated with a secondary assembly.


Helping healthcare

LSR Liquid silicone rubber lends itself perfectly to medical applications because it is inert, very pure by nature and very versatile in its use, suiting it to a broad range of application conditions. It is also ideal for a large variety of medical grades which facilitates specification choices, making it a preferred choice within the healthcare sector.

 2C LSR technology

One of our most outstanding capabilities is the simultaneous injection of LSR Liquid silicone rubber in combination with technical plastics, 2C LSR Liquid silicone rubber technology. One of the key advantages of this is the ability to mould several components into a highly complex single part.


The simultaneous 2C LSR Liquid silicone rubber process is available in many hard-soft and soft-soft combinations, including multi-colour and multi-hardness options and is extremely efficient for high production volumes.

We use highly advanced, sophisticated tools and process engineering to develop the most innovative solutions, combining two, three or more individual materials into one fully bonded, robust component.


2C LSR Liquid silicone rubber technology allows medical device manufacturers much more latitude in their design solutions, for example utilising space more effectively, saving or cutting out weight, or integrating extra functions. This ground-breaking technique offers a wealth of options for integration and miniaturisation, resulting in better and more effective solutions in the long run.


In life sciences applications it is particularly important to counter the prominent challenge of unwanted bacterial growth and inherent impurities either by way of inferior material properties or unsuitable production methods.  2C LSR Liquid silicone rubber technology enables more hygienic design solutions by eliminating, for example, dead space through the use of a customised 2C solution versus a classic O-Ring sealed package.


LSR Liquid silicone rubber as a material, in combination with a hygienic product design including 2 component solutions, produced in a fully automated closed-loop production process and in a controlled cleanroom environment, offers the purest available product in manufacturing. 


Working in collaboration with its customers, basic mode of operation provides the first concept stage all the way through to the end of the product life. To start with, TBL Silicone design team currently work with the customer’s designers to either propose a black box solution or to value-engineer a customer’s concept or existing product. 


Future plans

TBL Silicone plans to continue to push the boundaries and lead the way with continued investments in infrastructure and skill set at its global locations. 


We continue to push forward with tool, process and automation technologies to let us produce ever smaller parts, down to micro and now even nano-gram weights, enabling the many ground-breaking and exciting technologies our customers are developing. Finding solutions to the so far thought impossible with LSR Liquid silicone rubber is what we thrive on.


We are proud to be one of the world’s leading developers, manufacturers and suppliers of high precision LSR Liquid silicone rubber and 2C parts and we intend to stay at the top.”


About Us:

Foshan Tian Bao Li silicon engineering co., ltd is one of the most professional manufacturers of LSR & HCR silicone rubber, located in Foshan, Guangdong, China.  We have been engaging in silicone rubber industry for over ten years, and have accumulated a lot of experience in R&D, production, as well as after-sale service of silicone rubber. 


For more information of our company, you can visit our website: Our aim is to provide the best silicone rubber that matches the exact customer requirements. This drives us to provide you with best quality silicone rubber.


Contact Us:


Lotus Huang

Foshan Tian Bao Li Silicon Engineering Technology Co.,Ltd

Factory: NO.8, Le Qiang Road, Leping Town,Sanshui District, Foshan City, Guangdong, China 528137        

Office: Room 305 Zongtai Future City, NO.2007 Baoyuan Road,  Bao 'an District, Shenzhen, China 518102


Cell/Wechat/WhatsApp: +86 15813803504                          

Email: [email protected]                  

Skype: lotusjune1 

TBL SILICONE- Representative cooperation introduction of LSR


Tian Bao Li have Liquid Silicone Rubber, Liquid Silicone Rubber divided into precipitated Liquid silicone rubber and fumed Liquid silicone rubber.


1. LSR Silicone Rubber for Baby Nipple

Tian Bao Li LSR silicone rubber for baby nipple is the now mature product, it is also well-known in the LSR Silicone Rubber industry.


In 2019, Tian Bao Li Oversea Business Dept have received an email from Europe, they have watch Tian Bao Li website know that our company is well-known in the LSR Silicone Rubber industry. Because we signed a non-disclosure agreement with the customer, we will use A Company to represent customer. A Company entrusted a domestic company to investigate the background of our company, A Company is very satisfied with the preliminary investigation result, so I would like to contact us further for the next step. A Company say they are a biggest baby nipple manufacturer in a European country, they want to find a new supplier in China.


A Company will send 2 persons to our company after half a month later. After half a month, Tian Bao Li Send the car to the airport to pick up the A company representatives. Tian Bao Li foreign trade sales director brings the professional liquid silicone rubber technicians and professional HTV silicone rubber production manager to waiting for A company representatives in meeting room. We first play the company introduction video to A company representatives to show them our company introduction video, and our foreign trade sales director use PPT to show our company liquid silicone rubber for baby nipple advantage and show A company we cooperate with some well-known large baby and child products companies in China, won rounds of applause from A company representatives.


After then, Tian Bao Li foreign trade sales director. professional Liquid silicone rubber technicians and professional liquid silicone rubber production manager brings the A company representatives to Tian Bao Li first floor produce workshop, Tian Bao Li all production machines are made by our Group headquarters GMK. Then Tian Bao Li foreign trade sales director. professional liquid silicone rubber technicians and professional liquid silicone rubber production manager brings the A company representatives to Tian Bao Li office building fourth floor Quality Department, Quality Department including HTV silicone rubber quality test, Liquid silicone rubber quality test, Industry silicone rubber quality test, and testing of various purchased raw materials.


A company’s representatives are very satisfied with the test method of our test equipment. Tian Bao Li foreign trade sales director. professional liquid silicone rubber technicians and professional liquid silicone rubber production manager brings the A company representatives to the building of up to workshop, Tian Bao Li laboratory is in the building of workshop building. Tian Bao Li has HTV Silicone Rubber laboratory, Liquid silicone rubber laboratory, Industry silicone rubber laboratory, three laboratories are both Independent and but closely connected. A company’s representatives are very satisfied with our equipment, technical staff and facilities. Then Tian Bao Li foreign trade sales director brings the professional liquid silicone rubber technicians and professional liquid silicone rubber production manager brings A company’s representatives to liquid Silicone Rubber feeding place, to show the A company’s representatives how Tian Bao Li liquid Silicone Rubber Production Line how feeding.


Tian Bao Li foreign trade sales director bring the professional liquid silicone rubber technicians and professional liquid silicone rubber and liquid silicone rubber production manager shows the A company’s representatives this feeding hole put which kind of liquid silicone rubber raw materials, that feeding hole put which kind of liquid silicone rubber raw materials, tell A company’s representatives why separate to feed the liquid silicone rubber raw materials, and impact on liquid silicone rubber. Tian Bao Li foreign trade sales director, professional liquid silicone rubber technicians and professional liquid silicone rubber production manager proposal brings A company’s representatives to have a lunch, come back in the afternoon to talk in the meeting room for next discussion.


A company’s representatives are very satisfied with our company’s production equipment, quality control, and technology research and development, but they made a new request that our liquid silicone rubber should pass some conditions in third-party certification.


Our company is full of confidence in this order, we first to sent our liquid silicone rubber to third-party certification to do all tests of Europe for import. Then we use European standards for production and testing. After one month, we again invite customers to come to our factory for inspection. And third-party certification come out is pass. Since then, customers have classified our company as their long-term cooperative supplier, and have been cooperating until now.



2. Liquid Silicone Rubber for baby bottle

On May, 2020, the company received a consultation from a European company about baby bottle products. The liquid silicone rubber for baby product is fast molding speed at high temperature and adopts to the liquid injection molding process technology. It is widely used in kitchen appliances and baby products, etc.We have done many successful cases of such products for many other customers and have more than 10 years of experience in developing and manufacturing silicone rubber products, so the clients are still interested in our company.


After all, it is the first time to have attitude to try to contact with the clients , The client sent us a baby bottle for reference. After receiving the baby pacifier, the Engineering Department of the company immediately analyzed and evaluated them. The transparency required by the client is very high, and the performance of the guest's products also needs to be allocated. Next, we start sending samples to customers. The customer received the product samples, and we have been always following up the customer's test results. We received the customer's feedback, it's suitable for them.


With the help of our strong supply chain system, we reviewed and communicated with liquid silicone rubber raw material suppliers for many times, and finally found suitable silicone materials for our clients, and the LSR material cost was controlled within the range acceptable to both of us. Our efforts were not in vain, but also let our customers see our sincerity and soon reached a cooperation intention with us.


Next, the guests put forward new requirements for the use environment of the product. The product needs to ensure its original characteristics in a dust-free environment as far as possible. That formulates to meet requirements of America FDA food grade, Germany LFGB, ROHS directive and REACH certificate.We also specialize in making liquid silicone rubber raw materials for this customer, and then go to a third-party testing organization to pass the European certification.Therefore, we must treat and check the impurities and the properties of glue very carefully.


We will check with each quality inspection department carefully after the normal completion to ensure the quality. Here's how we use light to check for impurities:



In addition, the European client has special requirements in packaging, it should also be 200KG each barrel and stacked in two layers, and there should be vacuum air bags and card boards. The next day, we sent the designed cabinet drawings to the customers for reference. When the clients note our suggestions and were very satisfied with the effect. So far, the cooperation project between the two sides has been a complete success. Now, we still keep the contact and promote business as well as friendship.


3. Liquid silicone rubber for making keyboard and keypad, etc.

Liquid silicone rubber for keyboard, its softness and non toxicity are widely used in industrial sealing and medical equipment, kitchen products, digital IT, and other fields have made outstanding contributions. Silicone rubber is an environment-friendly and non-toxic chemical synthetic material with excellent safety.


Also, we have experience in using liquid silicone rubber to make the keyboard, keypad,etc. We often provide liquid silicone rubber and good services for domestic and foreign customers. 


Because of Tian Bao Li silicon's reputation, the guests learned about TBL silicone from their friends and contacted us for communication and cooperation. For making keyboard products, due to the different temperatures in winter and summer, when producing keyboard products, the production efficiency will also be greatly affected by the climate and temperature. Therefore, after understanding the customer's needs, we cooperated with the technicians of the R & D department to specially allocate the liquid silicone rubber raw material formula different from that in winter and summer. The purpose is to let the customer reduce the defective rate of keypads when producing keypads.


Then we began to send samples to the customer for machine testing. At the first time, some samples were not suitable for the reaction degree of the production machine. Later, the technical director of our company specially went to the customer's factory to see the problem. It was originally necessary to adjust the data of the machine, and the set value should comply with this special formula. This series liquid silicone rubber has high strike life (10 million times). The customer was very satisfied with the key products, so we successfully started long-term cooperation.


The success of this customer is due to the stable quality of products. Our technicians provide special services to help customers by providing solutions as much as possible and make customers very satisfied. The price is also in line with the customer's expectations. We will not raise the quotation on purpose, but only according to the cost performance of the product itself. This is also the key point for us to maintain a good reputation in the industry and start TBL brand effect.


4. Liquid silicone rubber for medical use

TBL, has rich experience in the production of liquid silicone silicone for injection products as well. We once solved many problems in the LSR liquid silicone rubber injection molding process with a customer's medical products. Let customers have simple process flow, high product precision and high output, and keep the environment clean and hygienic in the production process.


Our medical grade series add molding liquid silicone rubber, it has fast solidification and molding speed in high temperature and adopts the liquid injection molding process technology. Because of its high transparency for making medical products, the clients are very satisfied with this series liquid silicone rubber. Also, its 100% safety and non-toxic characteristics, liquid silicone rubber is mostly used for injection molding and processing, which is easier to be guaranteed in terms of environmental protection, safety, quality and appearance. Therefore, it is widely used in the medical industry, such as the silicone rubber part of medical respiratory mask and laryngeal mask, medical catheter, negative pressure ball,etc. Because LSR is inert, heat-resistant and chemical resistant, it can be used to produce pacifiers and nipples, valves or sealing strips of medical devices, medical implants, medical gloves and automotive sealing strips.


Also, we suggest that the consumer use the liquid injection molding machine to inject into the mold and manufacture products. The two components of A and B must be completely mixed by machine according to the weight or volume ratio of 1:1. The vulcanization time is determined by the molding temperature. At high temperature conditions, a short time is required for product forming. If the silicone product is thick and large, it takes longer time to mold.


In the past 10 years, we can see the strong demand for all electric injection machines for LSR vehicles and medical silicone products. These fields have higher and higher requirements for accurate positioning and speed control. We also agree with this trend. Thanks to the improvement and innovation of silicone rubber materials, equipment and technology, we are making continuously progress. TBL liquid silicone rubber conforms to ISO10993 Bio-compatibility requests. we continue to develop new technologies, processes innovation and products innovation to establish a long-term cooperation with clients.





Representative cooperation with RTV SILICONE RUBBER

Through a new used to make LGP transparent panel development,a customer in Turkey contact with TBL silicone company, with having special parts from their Guangzhou agent team. The customer is looking for silicone rubber in Turkey, and then colleagues in Guangzhou are developing another transparent one. When light illuminates the side, the light must come out from the other side. It is not a backlight advertising product for the phone. So the general silicone rubber materials and poor silicone bonding sealant can not suit this requirements, so they need a special silicone rubber sealant.


They can provide Hong Kong customers with silicone sealant with good flame retardant performance and good adhesion, which helps us solve this problem perfectly. The strength is twice that of the original silicon adhesive and has passed the customer's verification. TBL, provides the best solutions for new organic silicon rubber compound!


RTV silicone sealants are mainly used in new energy vehicles, solar photovoltaic, LED lighting, power, communication, household appliances, eclectic&electronic appliance,etc; 



1. LED lighting and display field: LED indoor, lighting, display module, LED driver, etc;



2. Electronics and electrical appliances: component bonding, household appliances, inverters, power modules, etc.;


3. New energy and automotive fields: photovoltaics, power batteries, automotive electronic modules, automotive lights, automotive structural bonding and sealing

Necessary Certification For Food-grade Liquid Silicone Rubber


What is liquid silicone rubber ?

Liquid silicon rubber is a non-toxic, heat-resistant, high-restorable flexible thermosetting transparent material. With good performance, fast curing, safer and more environmentally friendly, it can fully meet the requirements of food grade. Liquid silicone rubber has excellent tear resistance, resilience, yellowing resistance, thermal stability, heat resistance and aging resistance. Mainly used for baby products, medical products and electronic products (keys).


Typical liquid silicone rubber is soft, elastic, non-toxic, odorless, transparent, and medically safe, that is, food safety is extremely high. If it needs to be applied in food grade or medicine, some certifications of silicone are essential.


Liquid silicone rubber can be divided into addition/Platinum cure silicone and tin cure silicone. Dear friend, today we’re going to talk about what certificate you need in liquid silicone rubber for food grade.


Addition/Platinum cure liquid silicone rubber belongs to food grade, food-grade liquid silicone is non-toxic, odorless and molded silicone, also known as FDA silicone or environmentally friendly silicone. It has the characteristics of high temperature resistance, high pressure resistance, and flame resistance. It is often used to make food molds, chocolates, cakes, and directly made into pacifiers and sealing strips. And other silicone products.


The following is a brief introduction, what are necessary certification for food-grade liquid silicone rubber raw materials?


The certification reports for food grade liquid silicone rubber raw materials are (ROHS, halogen, PAHS, REACH, FDA, LFGB, MSDS, USP, NSF, UL yellow card, etc.). At present, the more authoritative certification agencies include SGS, TUV, CE and other institutions, and there are CTI and other institutions in China.

 1. The ROHS report is an environmental report, which mainly detects six heavy metals: lead (Pb), cadmium (Cd), mercury (Hg), hexavalent chromium (Cr(VI)), polybrominated biphenyls (PBBs), polybrominated diphenyl ethers ( PBDEs).


2. Halogen detection includes (fluorine (F), chlorine (CI), bromine (Br), and iodine (I).


3. REACH is different from the RoHS directive, and the scope of REACH is much wider. Now it has increased to 168 tests, which is the abbreviation of the EU regulation "REGULATION concerning the Registration, Evaluation, Authorization and Restriction of Chemicals" (REGULATION concerning the Registration, Evaluation, Authorization and Restriction of Chemicals). It was established by the European Union and was established on June 1, 2007. The chemical supervision system implemented from Japan.


4. The tests done by FDA/LFGB for non-food drugs are mainly food contact materials. FDA is the food certification report of the United States, LFGB is the EU food certification report, and FDA/LFGB are two completely different standard.


6. The MSDS report refers to the chemical safety specification, also known as the material safety factor table, the chemical safety technical specification and the chemical safety data specification.


7. UL yellow card refers to the flame retardant grade:

  • Passed UL certification: (flame retardant level)
  • 94VO: The highest level
  • 94V2/94V1: almost none at present, and few manufacturers produce
  • 94HB: The lowest level, all silicone rubber can meet this standard

Foshan Tian Bao Li Silicon Engineering Technology Co., Ltd as one of professional of liquid silicone rubber manufacturers, our liquid silicone rubber comply with the ISO9001, ISO14001 and IATF 16949:2016 certificates, formulates to meet requirements of America FDA food grade, Germany LFGB, EU certificate, UL safety test certificate, ROHS directive and REACH certificate.


Our clear liquid silicone rubber can be used in many food grade applications, such as: baby infant, sports goods, candy molds, sex toys, silicone insole, medical products,mold making ect. The materials we use are all famous international brand like Wacker, blustar ect. To keep our silicone rubber with long stability.


Meanwhile, we equipped dozens of professional test machine to control our liquid silicone rubber materials. Such as Closed type non-rotor sulphur change meter, Constant temperature water bath instrument, density tester, flame retardant test equipment, gas phase instrument test liquid content, infrared impurity test instrument, powder particle size testing instrument, moisture analyzer, raw material oil powder dispersion machine, william plasticity, Shore A Hardness Tester, Rheometer DVN ect.


TBL owns domestic first silicon rubber automatic production line and various of the advanced liquid silicon rubber production equipment that the annual production capacity is more than 30000 metric tons annually. Our main production machine for liquid silicone rubber are auxiliary tank, powder throwing bin, oil throwing bin, kneader, three-roller, dynamic mixer, filter press


At present, our liquid silicone rubber had been exported to Southeast Asia, Europe, the America etc. 7continents, and our silicone rubber is well-received by the customers from more than 60 countries and regions !  


Your best reliable liquid silicone rubber raw materials supplier in the world!

Foshan Tian Bao Li Silicon Engineering Technology Co., Ltd, as one of professional liquid silicone rubber manufacturers, Here, let’s tell you more about Liquid silicone rubber.


1. About Liquid silicone rubber

About Liquid silicone, also called liquid silicone rubber, is a broadly-used silicon polymer which is composed of silicon, carbon, hydrogen as well as oxygen at the elemental level. At the molecular level, this silicon polymer comprises a silica and oxygen backbone, different from the vast majority of polymers which are made of the carbon backbone. Liquid silicone rubber, if more specifically categorized, can be regarded as an elastomer.


When it comes to how this material was found out and used, in fact, it’s developed from the solid silicone. Solid silicone-based elastomer was first used in the 1940s by chemists due to its heat-resistant characteristic. Then it takes the dominant position for electric motors and generators insulation as the electrical insulator.


Gradually, with the advance of separating technology, the precipitated liquid silicone rubber is separated into a two-part platinum-cured elastomer which is what is called the liquid silicone. Unlike solid silicone which is solid, the liquid silicone rubber is in a liquid state and has high fluidity, making it the perfect material choice for injection molding.


Liquid Silicone Rubber (LSR) is a two-component system, where long polysiloxane chains are reinforced with specially treated silica. Component A contains a platinum catalyst and Component B contains methylhydrogensiloxane as a cross-linker and an alcohol inhibitor.


The primary differentiator between liquid silicone rubber (LSR) and high temperature silicone rubber (HTV) is the “flowable” or “liquid” nature of LSR materials. While HTV can use either a peroxide or a platinum curing process, LSR liquid silicone rubber uses only additive curing with platinum. Due to the thermosetting nature of the material, liquid silicone rubber injection molding requires special treatment, such as intensive distributive mixing, while maintaining the material at a low temperature before it is pushed into the heated cavity and vulcanized.


In addition, Liquid Silicone Rubber has become a common material used to over-mold onto other parts manufactured from a variety of plastics.


Manufacturing process steps for Liquid silicone rubber:

A: Meter-mixing delivers the two-part mixture at a 1:1 ratio, into a static mixer, within an accuracy of ±1%. The precision of the material allocation prevents off tolerance products and reduces material waste. The closed meter-mix system also keeps the product clean because the mixer seals the mix from dust and moisture. The system also allows for the controlled addition of pigments and other additives.

B: The second stage of the liquid silicone rubber injection process requires the use of highly automated and modified LSR injection molding machines. Once operable, the machines require very little labor. The greatest capital expense incurred in the liquid silicone rubber injection molding process involves the cost of the mold design and fabrication.

C: Finishing. For most applications, LSR liquid silicone rubber processing does not require finishing. Properly tooled injection molds cause minimal flash, which eliminates the need for trimming. The addition cure mechanism, used in liquid injection molding, makes a post-cure cycle unnecessary.


2. Advantages and Application of Liquid Silicone Rubber

LSR Liquid silicone rubber enables the customer to increase productivity. Since it is in a liquid phase, it is ready to use in Liquid Injection Molding machines. Due to this powerful advantage, large volumes of surge amestors, very delicate seals, and silicone adhesives for plastic materials are produced readily and in a large scale.


Liquid silicone rubber is heat resistant at high temperatures, such as 200 ºC. In addition, the cure system includes being cured by platinum catalyst so therefore, it is physiologically inert. These properties make Liquid Silicone Rubber applicable to baby nipples, swimming bands, mouthpiece for health care, food contact products for home appliances, and parts for electronics devices.


Food contact and kitchen items

Since liquid silicone rubber material is highly stable against chemical degradation, it is a suitable material for products that come into contact with food. The material is so safe that it is notably used for the nipples of baby bottles – a true testament to its being chemically inert and non-toxic. In recent years, baking pans, cupcake liners, spatulas, and other kitchen tools made from silicone rubber have become much more common. They are cheap, non-stick, pliable, and come in bright colors.


Food storage is one of the more long-standing applications of silicone rubber. Not only are they safe for food contact and don’t react chemically, but they also do a good job of maintaining the temperature of its contents.


Cosmetic products

Liquid Silicone Rubber is recognized as a hypoallergenic material. It is used widely as a container or delivery system for skincare or cosmetic products. Most makeup and lipstick are packaged using silicone rubber as it remains inert even when in contact with the product during long-term storage.

Liquid Silicone Rubber is one of the more environment-friendly alternatives to natural animal hairs as material for makeup brushes. They are a little softer than nylon but are similarly cheap and gentle on the skin.


Liquid Silicone Rubber is applied in many coating applications.

This is because liquid soft silicone rubber has good adhesion to textiles and glass fabrics. These Liquid Silicone Rubber coated textiles and fabrics have non-slip and excellent mechanical properties.


Liquid Silicone Rubber as a coating material brings the unique properties to airbag fabrics. LSR Liquid Silicone Rubber coated fabrics have thermal resistance, flame resistance, high tear strength and good adhesive properties.


There are many seals used for automotive. Just a few examples are connector seals, wire seals, and O-rings. Automotive parts are going to become smaller and lighter. These Liquid Silicone Rubber coated textiles and fabrics have non-slip and excellent mechanical properties.


Liquid silicone rubber  is non-conductive because of its chemical nature. It is a good electrical insulator and has powerful hydrophobicity. In addition, Liquid Silicone Rubber is easy to make and handle, and is lighter than porcelain.


Chemically Resistant and Inert

Another property of the medical grade liquid silicone rubber which makes it the favorite material of choice for various applications over other manufacturing materials is its chemical resistance. Liquid silicone rubber made of the silicon-based backbone is an inert chemical material, which makes it hypoallergenic and not reacts with other chemicals.


This makes it the primary material of choice for applications that require to be exposed to oils, solvents, acids, and bases. Besides, the chemical resistance also means that liquid silicone is biocompatible and non-toxic, making it safe for items that need to keep contact with food and medical devices.


Health Care field

Liquid silicone rubber demand will increase with the increase in demand for home health equipment and disposable equipment. For example, the aging population in the United States will increase the demand for urinary devices and personal diagnostic equipment such as catheters. Liquid silicone rubber hygiene, hypoallergenic and easy to clean, disinfected characteristics are favorable for outpatient medical and health facilities.


Liquid silicone rubber as a polycarbonate positive positive pressure ventilation mask on the sealing part of the more and more used in the treatment of sleep apnea disease, this material is good sealing effect, used in the skin is also comfortable, easy to clean and Disinfect and inhibit bacterial growth. The biocompatibility of liquid silicone rubber makes it no allergic reaction with skin tissue. Finished products can also be designed to be transparent, so that caregivers can determine whether they are anxious or uncomfortable by observing the user's expression.


At the same time, clear liquid silicone rubber in the development of needleless syringes play an increasingly important role, it can help reduce the amount of treatment during the needle. For example, a polycarbonate-coated liquid silicone rubber check valve mounted in an intravenous injection tube can release the drug directly without the use of a hypodermic needle while avoiding contamination.


3. Why to Choose Liquid Silicone Rubber

Water Resistance

Due to the chemical structure of including hydrophobic, water-fearing, and methyl groups, liquid silicone is also water-resistant. This characteristic makes it an excellent option for products that are electrical or are linked with electricity.


In short, liquid silicone rubber is a special material that ticks all the boxes of the properties that a powerful material should own. Due to the properties of flexibility, stability, translucency, thermal conductivity, non-conductive electricity as well as fast-curing capacity, liquid silicone is a valuable material versatile for various industries and applications.


Low Manufacturing Cost

As mentioned earlier, liquid silicone rubber lends itself well to the very fast curing processes, leading to ultra-fast manufacturing with large-scale and automated processes. Also, the manufacturing process is very simple and easy.


LSR liquid silicone rubber Advantages:

Automated process, fast cure cycles–excellent productivity, multi-cavity molds, extremely low flash tolerances, high strength products, low viscosity = low injection pressures. Overmold and two shot capabilities, make Liquid Silicone Rubber one of the fastest growing Technologies in the industry.


One of the more valuable characteristics of liquid silicone rubber is that it lends itself well to rapid manufacturing processes. Upon combination of its components, the uncured gel-like polymer can be injection molded. This allows for large-batch processing, ensures repeatability, and can be adapted to automated processes. The suitability of liquid silicone rubber to fast-paced manufacturing is one of the main drivers of its commercial value.


4. Easy to pack, storage and ship your Liquid silicone rubber

Liquid Silicone Rubber may be packed in bulk 200kgs Iron drum or 20kgs plastic drums. It’s not necessary to add bubble wrap, foam or air cushioning products to your packaging. Those are necessary for some other types of materials. In fact, the costs may be factored into your piece price, can spur extra handling charges, and may cost more for the freight charges due to the extra weight added to your package.


Liquid Silicone Rubber products are easily stored and lower the storage concerns many companies face. Silicone components alone, without added features such as adhesive layers, 1year shelf life and may be stored shipping-boxes-storage indefinitely. They may be left in the original shipping drums, allowing them to be stacked in a warehouse. If you need your product readily available for use, they may be exposed during storage and can be quickly and easily cleaned from dust which will not harm them. Silicone products also can withstand temperature changes which may affect many storage areas.


If the package falls during transportation, receiving, storage or retrieval, there is no need to worry about your product, it will not affect production.


Recommended Storage Conditions

It states “The relative humidity shall be such that given the variations of temperature in storage, condensation does not occur. In any event, if the elastomers are not stored in sealed moisture proof bags, the relative humidity of the atmosphere in storage shall be less than 75%.” The last of the main three for storage is light. Silicone rubber should be stored away from direct light. This includes direct sunlight, and even intense artificial lighting. This means that the optimal storage for Silicone rubber products will be in a moisture proof sealed bag, stored in an optimal temperature environment kept away from direct light sources.





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