Usage: Purification of water, paper making and glue spreading, painting, printing and dyeing, color lake and pigment, medicine producing, varinish and leather producing, fiber board processing, membrane solidified for film, rubber, metallurgical and colored glass etc. industries. Food industry: Fermentation of foodstuff, vermicelli or noodles processing, salted aquatic, foodstuff antisepsis and additives etc.

Packing: PP/PE bag, 50 KG/BAG, or according to customers' requirements.
Storage and transportation: Stored in dry, cool airiness place, far away from heat, avoid insolation.

Item	Standard requirement	Test results
KAL(SO4)2%	≥99.2	99.5
Moisture%	≤4.0	3.0
Water insoluble%	≤0.20	0.15
Heavy metal(As Pb)%	≤0.002	0.0016