Black powder, rubber, paint, ink, black paper, plastic shading, dry cell (mainly for the rubber, paint, ink, nickel metal hydride battery cathode, etc ... Explore More
White powder: used for coatings, plastic, paper. Printing ink. Fiber, rubber, ceramic, cosmetics, food additives and medicine industry, etc
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Zinc sulfate (zinc sulphate) heptahydrate crystal
CAS No.:--- 7446-20-0
Zn:------21.8% min
Pb:----- 8ppm max
Cd: ----- 8ppm max
As: ------- 4pp ... Explore More