Lithopone

lithopone B311 White powder, White pigment,zinc sulfate content is 30%. Stronger hiding power and reducing power. Voluntary standards: GB/T1707-1995 Formula: ZnS BaSO4 Specification Terms B311 Total of Zinc and BaSO4 (as ZnS) 99%min Total Zinc (as ZnS) 30%min Volatile matters at 105 C 0.3%max Zinc oxide 0.3%max Soluble matters in water 0.3%max Screen residues (63um mesh) 0.1%max Oil absorption (g/100g) 10%max Color killing (Compare with standard) 105%min