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Basic zinc carbonate



Basic Zinc Carbonate
CAS No.: 5263-02-5 
EINECS No:222-477-6
Appearance: White Powder
Properties:white or yellowish fine amorphous powder, smell-less, tasteless.
The proportion is 4.42-4.45, does not dissolve in water and alcohol, slightly soluble in ammonia, can dissolve in the diluted acid and the sodium hydroxide.
Application:Used as the light apocrustic and the latex products raw material.Can prepare calamine and sued as the skin protecting agent, also may use in the rayon, petroleum and the chemical fertilizer industries as the main material of the desulfurizer and the catalyst.
On the rubber product, the paint, the medicine and other chemical products, it is also widely applied.
Package: 25kg PP bag--18t/20'FCL w/o pallet 15.

ITEMS 

INDEX

High-Class

First-Class

Qualified

Zn   %   ≥

57.5

57.0

56.5

Loss on dry

25.0-28.0

25.0-30.0

25.0-32.0

Pb content %   ≤

0.04

0.05

0.05

Moisture       ≤

2.5

3.5

5.0

So4    %   ≤

0.60

0.80

-

Fineness through 75 um Screen ≥

95.0

94.0

93.0

Cd content    %   ≤

0.10

-

-


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