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Indirect process zinc oxide
Product Name | Zinc Oxide 99% | Zinc Oxide 99.5% | Zinc Oxide 99.7% |
Content (ZnO) | 99%Min | 99.5%Min | 99.7%Min |
MnO | 0.001%Max | 0.0005%Max | 0.0004%Max |
PbO | 0.15%Max | 0.05%Max | 0.037%Max |
CuO | 0.001%Max | 0.0005%Max | 0.0004%Max |
Heat Loss | 0.3%Max | 0.3%Max | 0.3%Max |
HCl Insoluble Matter | 0.01%Max | 0.01%Max | 0.01%Max |
Water Soluble Matter | 0.1%Max | 0.1%Max | 0.1%Max |
45um Sieve Residue | 0.15%Max | 0.15%Max | 0.15%Max |
Direct process zinc oxide
Item/Parameter | Standard | ||||
Zinc Oxide (in accordance with dry materials) % ≥ | ZnO 99.5% | ZnO 99% | ZnO 98% | ZnO 95% | ZnO 90% |
Lead oxide (PbO)% ≤ | 0.12 | 0.2 | 1.0 | 3.0 | 4.0 |
Cadmium oxide (CdO) % ≤ | 0.02 | 0.05 | -- | -- | -- |
Cupric oxide (CuO) % ≤ | 0.006 | -- | -- | -- | -- |
Manganese (Mn) % ≤ | 0.0002 | -- | -- | -- | -- |
Metallic Zinc (in accordance with Zn) % | None | None | -- | -- | -- |
Muriatic Acid Insoluble Substance % ≤ | 0.03 | 0.04 | 0.5 | 0.7 | 2.0 |
Loss On Ignition % ≤ | 0.4 | 0.6 | 0.7 | 1.0 | 5.0 |
Water Soluble Substance % ≤ | 0.4 | 0.6 | 0.7 | 1.0 | 3.0 |
Sieve Residue (45um mesh ) % ≤ | 0.28 | 0.32 | 0.5 | 0.5 | 0.5 |
Volatile % ≤ | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 |
rubber zinc oxide