1. B301 lithopone
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.
Range of application: Coating, paint producing, printing ink, plastic,rubber, paper making, enamel etc..
Packing: Plastic weaving bag with polyethylene liner or paper bag,50kg or 25kg per bag
Specification:
Sumtotal of zinc(base on zinc sulfate and barium sulfate (m/m):99% min
Total zinc amount(base on zinc sulfate) (m/m): 28% min
Zinc oxide(m/m) : 0.6% max
105°C volatile(m/m): 0.3% max
After Soluble in water%(m/m): 0.4% max
Residue on sieve (63um sieve pore) (m/m): 0.1% max
Oil absorption, g/100g: 14 max
Reducing power(compare with standard sample): 105% min