Rech Chemical have specialized in manufacturing zinc sulfate heptahydrate which are mainly exported to the U.S., Europe and Australia. We provide OEM services for renowned chemical product distributors both at home and abroad.

Product Name: Zinc Sulphate Heptahydrate

Molecular Formula: ZnSO4.7H2O

Grade::fertilizer grade,industry grade

SPECIFICATION

Content: 97% min

Zn: 21.5-22% min

As: 5ppm max

Pb: 10ppm max

Cd: 10ppm max

Packing

Net weight 25kgs, 50kgs per each plastic woven bag, or 1000kgs to 1350kgs per each package，or according to client request.

Website: http://www.rqsulfates.com