Zinc Sulphate Heptahydrate

Zn:21%min
Zn:22%min
Factory,SGS,Intertek,BV.
ISO9001:2008 GB/T 19001-2008

Our Specification:

Catalog	Index
Model	(special grade )	(first grade)	(qualified grade)
ZnSO4. H2O%≥	99	97	92
Zn %≤	22.51	22.06	21
Pb %≤	0.001	0.01	0.01
Fe %≤	0.003	0.02	0.06
Mn %≤	0.005	0.1	--
Cd %≤	0.001	0.01	--
Chloride (Cl) %≤	0.2	0.6	--
Insoluble matter %≤	0.02	0.05	0.1
PH (50 g/L) ≥	3.0	3.0	--

 

Application:

It can be used as the raw material of light convergence and rubber products. It can also be used in compounding calamine and as the skin protectant, as well as the main raw material for the production of artificial silk, petroleum and desulphurization agent & catalyst in chemical fertilizer industry. It can also be applied widely in the rubber product, paint, medicine and other chemical products.

How to Control the Quality,Service and Price:

1.Quality: A. We cooperate and invest large scale national factories of Zinc Sulphate.

                  B. We have own warehouse and select good quality to export.

                  C. We have profession inspection terms who check the broken bag,caking cargo and loading container in

                       warehouse and loading port.

                  D. We can accept the third party inspection,as :SGS,Intertek,BV and so on.

2.Service: A. Professional zinc sulphate material Suppliers Since 2003.

                  B. Professional International Sales ; Professional Documents Terms;

                       Professional Shipping Terms;Professional Inspection terms in Port.

3.Price:   We often stock the cargo before the price rise in our warehouse.