Specification for Lithopone B301:
Sum total of zinc (m/m): 99.0% min
(based on zinc sulfate and barium sulfate)
Total zinc amount: 28% min (based on zinc sulfate)
Zinc oxide (m/m): 0.8% max
105 C volatile substance (m/m): 0.3% max
Water soluble salts(m/m): 0.1% max
Residue on sieve (63um sieve pore)(m/m): 0.1% max
Water extraction alkaline: neutral
Oil absorption (g/100g): 14
Reducing color powder (compare with standard sample): 100%
Covering powder (contrast ratio): not lower than 5% standard sample.
Range of application: Coating, paint producing, printing ink, plastic,rubber, paper making, enamel etc..