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..