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Zinc sulphate Heptahydrate 
 
BASIC  INFORMATION
Formula: ZnSO4.7H2O 
CAS No.: 7446-20-0
HS Code: 28332930
EIENCS: 231-793-3
Quality: ISO9001:2008

PHSICAL INFORMATION

Mol Weight: 287.56
Appearance: white crystalline powder or granular 
Odour: Odorless 
Melting Point: It loses water at 30 degree C to give the hexahydrate and more water is lost at 70 degree C to form the monohydrate. The anhydrous salt forms at 280 degree C 
Density: 1.957

SPECIFICATION
Item	Unit	Specification
Purity	%min	98
Zn 	%min	21
Pb	ppm Max	20
As                       	ppmMax	10
Cd	ppmMax	50
Finess                   	Mesh	-

USAGE
ZnSO4 is mainly used as raw material for the production of lithopone  and zinc salts. It is also used in synthetic fiber industry, zinc plating, Pesticides, flotation, fungicide and water, purification. In agriculture, it is mainly used as feed additive and trace element fertilizer,, etc.  

STORAGE
Dry and hermetic.

export(at)
Fenghe was founded in 2000. From the beginning, we mainly specialized in R&D,manufacturing and technical transformation of zinc sulphate granula. Now our new factory is located in Xiangtan County, Hunan province, in which possesses abundant raw material resources and mature industrial supporting system. Our 3 modern production lines can produce 60 tons products per day. At the same time, our 2 powder factories can supply us with best quality powders all the time.

Our skilled engineers can meet any kinds of technical requirements put forward by customers ,such as small diameters for 0.5-1mm, and special Zn content for 21%,25% ,30% or 34.5%,What's more,we can do the best in the aspect of partical strength,color retention and glossiness.