Direct zinc oxide additive Zinc oxide
rubber, especially the radial tire and rubber products production, is extremely good curing agent. Using nanometer zno can significantly improve the product's thermal conductivity, wear-resisting performance, tensile properties, tensile strength, etc, and its dosage indexes can save a 30-50%, greatly reduce the cost of product.
Index |
Extra grade |
Appearance(compared with standard sample) |
Standards-compliant |
Purity(zinc oxide) content/ % |
≥99.7 |
Metal zinc content/ % |
None |
Lead oxide content /% |
≤0.03 |
Mn content/ % |
None |
CuO content/% |
None |
Hydrochloric acid insoluble /% |
≤0.006 |
Loss on ignition/ % |
≤0.2 |
Sieve residue(325)/% |
≤0.2 |
Sieve residue(200)/% |
--- |
Water soluble salt/% |
≤0.1 |
Hiding power(g/m) |
≤85 |
The oil absorption value/% |
≤14 |
Tinting strength/% |
95 |
Iodine absorption / mmol iodine/100g |
--- |
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