Min. Order Reference FOB Price
27 Tons US$530.00-700.00 / Ton
Product Description
Specification of ZnSO4·7H2O Item Specification Main content 97% Min. Zn 21% Min. Pb 20ppm Max. As 5 ppm Max. Cd 20 ppm Max. Water insoluble matter 0.08% Max. Usage:Mainly used to produce synthetic fiber, fertilizer, electrolysis, electroplating, organic pigment, pesticide, ...