Industry Potassium Alum

Place of Origin: Guangdong, China
Brand Name: TBL
MOQ：1000KG
Payments: TT, LC at sight
Shipper terms: EXW, FOB, CIF
Lead Time: 7-10days

PRODUCT Description

Potassium Alum is a double salt product of potassium and aluminum containing crystal water.

Product Features

Potassium Alum taste sour, cold; It has antibacterial and astringent effects.

Typical Application

It can be used to prepare aluminum salts, baking powder, paints, tanning materials, clarifiers, mordants, papermaking, waterproofing agents, water purification agents, colored glass, etc.

Main Technical Parameters

Item	Standard Value(wt%)	Analytical method
Potassium Alum [AlK(SO₄)₂·12H₂O]（Dry basis）	≧98.00	Volumetric method
Fe	≦0.05	Colorimetric
Heavy metal（Pb）	≦0.002	Colorimetric
As	≦0.0005	Colorimetric
Water insoluble matter	≦0.4	Gravimetric method
H₂O	≦3.0	Moisture
1. If the buyer has special requirements, they will be negotiated by both parties. 2. Products comply with corporate standards 3. Test method: reference HG/T 2565-2007、GB/T 3049-1986、GB/T 5009.74-2003、GB/T 5009.76-2003

Physical and chemical properties

· Molecular formula: AlK(SO₄)₂·12H₂O

· Molecular weight: 474.388

· Melting point: 92℃

· Boiling point: 330℃

· Density: 1.757g/cm3

· Appearance: colorless cubic crystal, often octahedral in appearance

· Solubility: soluble in water (solubility: about 5.90g)

Packaging

· Packing: ton bag (1000KG/ bag).

· Logo: The packaging should indicate: factory name, factory address, contact information; Product name, model; Net content; Batch number; Trademarks; GB/T 191 specifies the "fear of rain" sign.

Storage and transportation

Products should be stored in a cool, dry, ventilated warehouse, to prevent rain, moisture, heat, not with toxic, harmful, colored, easily dyed substances mixed storage, to prevent pollution.

The product should be covered during the transportation process to prevent sun, rain, moisture, heat, and shall not be mixed with toxic, harmful and easily dyed substances to prevent pollution.