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Item | Index | ||
Sum of zinc sulfide&barium sulfide, %(m/m) | >= | 99 | |
Zinc oxide, %(m/m) | <= | 0.1 | |
Volatile matters at 105 degrees, %(m/m) | <= | 0.3 | |
Water soluble, %(m/m) | <= | 0.3 | |
PH | 6.6–8.2 | ||
Refractive index | 2.15 | ||
Residue on the sieve(63μm mesh), %(m/m) | <= | 0.1 | |
whiteness | 97 | ||
Oil absorption value, %(g/100g) | 16 | ||
Tint reducing power(compared with standard sample), % | >= | 105 | |
Hiding power(contrast ratio) | Not less than 5%(stansard sample) | ||




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