Ba+SO4 (as ZnS)%(m/m) ≥  99/  99 
Zinc (as ZnS) (m/m)%≥  28/  30 
Zinc Oxide %(m/m) ≤  0.6 / 0.3 
105℃ 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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