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