Active Member
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[China]
Address: The East of the 16km of Weixu Road Fangzi District WeiFang Shandong,China
Contact name:lois
Weifang Shangyi Chemical Co.,Ltd |
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Introduction:
Molecular formula: ZnCO3.2Zn(OH)2.H2O
Molecular weight: 324.15
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.
Use: 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: PP WOVEN BAGS WITH INNER PE BAGS
Chemical industry Standard of People's Republic of China HG/T2523-93
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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 | - | - |
