Voluntary standards: GB/T1707-1995
Characteristics: White pigment, zinc sulfate content is 28%. Hiding power is stronger than zinc oxide,lower than titanium dioxide,good heat endurance.
Specifications:
Total of Zinc and BaSO4 (as ZnS): 99%min
Total Zinc (as ZnS): 28-30%min
Volatile matters at 105 C: 0.3%max
Zinc oxide: 0.6%max
Soluble matters in water: 0.4%max
Screen residues (63um mesh): 0.1%max
Oil absorption (g/100g): 14%max
Color killing (Compare with standard): 105%min
Range of application: Coating, paint producing, printing ink, plastic,rubber, paper making, enamel etc.