Appearance

white powder

The total sum of Zinc Sulfide and Barium Sulfate

99% min

Total content of Zinc (based on Zinc Sulfide)

28% max

Volatile substance at 105℃

0.3% max

Residue on sieve (63um mesh)

0.1% max

Water Soluble Substance

0.4% max

PH of aqueous suspension

6.5-8.0

Oil absorption

12.8% max

Tint reducing power

100% min

Hiding power

95% min