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18 Metric Ton |
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ZINKOXYD AKTIV ZINCI OXIDUM c.i. pigment white 4
Direct method zinc oxide Molecular formula: ZnO Molecular Weight: 81.38 Appearance white powder, insoluble in water, can dissolve in acid and alkali.
Used: Direct method zinc oxide is mainly used for rubber, paint, cable, glass, ceramics, petroleum, chemical industry and so on.
Packing and storage:
This product is packed with plastic-lined and plastic-coated woven bags, 25kg per bag. This product should be kept from breakage, moisture, pollution and contact with acid.
Indexes | GRADE 1 | GRADE 2 | GRADE 3 |
Appearance (compared with the standard kind) | Meet standards | Meet standards | Meet standards |
Purity(zinc oxide)/%≥ | 98.0 | 95.0 | 90.0 |
Metallic zinc/%≤ | none | none | none |
Lead oxide/%≤ | 0.15 | 0.3 | 1.0 |
Manganese/%≤ | 0.0005 | --- | --- |
Copper oxide/%≤ | 0.006 | --- | --- |
Hydrochloric acid insoluble substances /%≤ | 0.02 | 0.03 | 0.10 |
Loss on ignition | 0.5 | 0.6 | 0.7 |
Screen residue (200 mesh)/%≤ | 0.1 | 0.2 | 0.3 |
Water_soluble salt/%≤ | 0.30 | 0.40 | 1.0 |
Covering property (g/m)≤ | 100 | 110 | 120 |
Oil Absorption/%≤ | 20 | 20 | 20 |
Color strength/%≤ | 100 ±3 | 100 ±3 | 100 ±3 |
Cadmium Oxide/%≤ | 0.05 | 0.05 |
0.1 |
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