Lithopone
Lithopone B301
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.
Lithopone B302
Voluntary standards: GB/T1707-1995
Characteristics: White pigment, zinc sulfate content is 28%. Dispersancy is better than B301 after surface preparation.
Specification:
Sum of toal Zinc Calculated as Zinc Sulphide and Barium Sulphate: 99%min
ZnS: 28%min
ZnO: 0.3%max
Volatile Matter (at 105C): 0.3%max
Matter soluble in water: 0.4%max
Residue on sieve 63um: 0.1%max
Oil absorpation value(100g): 11
Sum of toal Zinc Calculated as Zinc Sulphide and Barium Sulphate: 99%min
ZnS: 28%min
ZnO: 0.3%max
Volatile Matter (at 105C): 0.3%max
Matter soluble in water: 0.4%max
Residue on sieve 63um: 0.1%max
Oil absorpation value(100g): 11
Packing: 25/50 P.P bag, 25MT/20’ FCL
Range of application: Coating, paint producing, printing ink, plastic, rubber, paper making etc
Lithopone B311
Voluntary standards: GB/T1707-1995
Characteristics: White pigment, zinc sulfate content is 30%. Stronger hiding power and reducing power than B301. Better dispersancy.
Specification:
Total of Zinc and BaSO4 (as ZnS): 99%min
Total Zinc (as ZnS): 30%min
Volatile matters at 105C: 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
Total Zinc (as ZnS): 30%min
Volatile matters at 105C: 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
Packing: 25/50 P.P bag, 25MT/20’ FCL
Range of application: Coating, paint producing, printing ink, plastic, rubber, paper making, enamel etc.