Lithopone:

Item standard         B301    B311    
Ba+SO4(as ZnS)%(m/m)≥           99                   99
Zinc(as ZnS)(m/m)%≥                  28                  30
Zinc Oxide %(m/m)≤                   0.6                 0.3
105 C Volatile%(m/m)≤                0.3                 0.3
Water Soluble%(m/m)≤                0.4                0.3
Screen residues (63um mesh)%(m/m)≤ 0.1 0.1
Oil absorption g/100g≤                 14                  10
Color killing(Compare with standard specimen)%≥ 105 105
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