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Item | Specification | Testing Result |
Appearance | white powder | white powder |
The total sum of Zinc Sulfide and Barium Sulfate | 99% min | 99.23% |
Total content of Zinc (based on Zinc Sulfide) | 28% max | 28.1% |
Volatile substance at 105℃ | 0.3% max | 0.26% |
Residue on sieve (63um mesh) | 0.1% max | 0.08% |
Water Soluble Substance | 0.4% max | 0.29% |
PH of aqueous suspension | 6.5-8.0 | 7.1 |
Oil absorption | 12.8% max | 12.3% |
Tint reducing power | 100% min | 96% |
Hiding power | 95% min | 97% |



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