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Carbonate Zinc Zinc Carbonate
Usage:Used as the light apocrustic and the latex products raw material. It 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.
Items | Index | ||
Best quality product | First quality product | Qualified product | |
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 |