| Customization: | Available |
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| CAS No.: | 3486-35-9 |
| Formula: | Znco3 |
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Good Quality Industrial Grade Basic Zinc Carbonate for Rubber
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
Main Application:
In pharmaceutical, used as a skin protector, or Preparation of calamine lotion; in Feed, it is Zinc supplements.
In industrial application, it is used as Light astringent, raw material in Rayon production,Desulfurizer in fertilizer production, Raw materials in Catalyst production, and widely applied in Rubber industries, paint and other chemical industries. In oil drilling, Zinc carbonate can be used as Corrosion inhibitors, sulfur removal agent in Oil and gas wells to react with H2S to get a stable/insoluble ZnS to get rid of the pollution and corrosion of H2S.
Specification:
| Item | Index | ||
| Best quality | First quality | Qualified | |
| Main content(Zn dry basis) % ≥ | 57.5 | 57.0 | 56.5 |
| Ignition loss % | 25.0-28.0 | 25.0-30.0 | 25.0-32.0 |
| Heavy metal(Pb) content % ≤ | 0.04 | 0.05 | 0.05 |
| Moisture % ≤ | 2.5 | 3.5 | 5.0 |
| Sulfate(SO4 ) % ≤ | 0.60 | 0.80 | |
| Fineness through the 75um mesh % ≥ | 95.0 | 94.0 | 93.0 |
| Cadmium(Cd) % ≤ | 0.10 | 0.003 | |
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