Weifang Shangyi Chemical Co.,Ltd
Weifang Shangyi Chemical Co.,Ltd,specilized export Zinc Chloride Zinc Ammonium Chloride,so if everyone interested,please feel free to contact with me! mb:+86-15265440376,whatsapp:+86-15265440376
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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 | - | - |
