Industrial grade block potash alum is translucent white crystalline lump with dry-base purity up to 99.6%. It has low moisture, few insoluble residues and ultra-low lead heavy metal. Widely used as coagulant for industrial wastewater treatment, leather tanning, printing and dyeing, construction concrete additive and industrial flocculation.
Número CAS :
10043-67-1Fórmula molecular :
KAl(SO₄)₂·12H₂ODensidad :
1.757 g/cm³Punto de fusión :
92.5 ℃Embalaje :
25kg per drumApariencia :
Crystal-whiteBasic information
This industrial lump potash alum presents translucent massive crystals with stable physical form that rarely agglomerates in storage. It boasts ultra-high 99.6% dry purity, minimal moisture and insoluble impurities, plus trace lead content far below standard limits. It dissolves evenly in water and serves as reliable flocculant and processing aid across multiple industrial manufacturing fields.
Specification

1: Low heavy metal alum serves as natural sweat-blocking ingredient for underarm deodorant, mild and non-irritating to skin.
2: Adsorbs suspended impurities efficiently to purify tap water, industrial wastewater and swimming pool water.
3: Used for light leather tanning to stabilize texture, improve softness and color uniformity of finished leather.
4: Approved food-grade alum for baking powder, pickling and fruit crisp-keeping with strict heavy metal control.
Factor
y
FAQ
Q: Are you trading company or manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
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