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  Zinc Carbonate Hydroxide
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1.Chemical formula: ZnCO3·2Zn(OH)2·H2O

2.Molecular weight: 342.23

3.Appearance: Fine white amorphous powder, odorless, tasteless, relative density of 4.22-4.45. Insoluble in water and alcohol, slightly soluble in ammonia, can dissolve in acid and sodium hydroxide

4.Application: As a light astringent and latex products raw materials for the preparation of calamine lotion, as a skin protectant. Can also be used in the production of rayon and catalytic desulfurization agent, it is also used to make transparent rubber curing agent, reinforcing agent.

5.Package:

5.1.25kg/bag.

5.2.Compound plastic woven bag with polythene liner.

6.Specification:

Items

High Class

First Class

Qualified

Main content (Zn)%≥

57.5

57

56.5

Heavy metal (Pb) %≤

0.03

0.05

0.05

Water %≤

2.5

3.5

5

Sulfate (So42) %≤

0.6

0.8

-

Loss on ignition %≤

25-28

25-30

25-32

Fineness (75μm) %≥

95

94

93

Heavy metal (Cd)%≤

0.02

0.05

-

 

 
 
 
 
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