Lithopone B301

B301 is a kind of lithopone whose hidina power is better than that of zinc oxide and worse than that of titanium dioxide．It has good heat-resisitance and is insoluble in water．It is a kind of important materiaI in coatings,paints,Printinq inks.paper,porcelain enamel,leathers and plastlcs．
Zinc oxide ≤0.60
Total zinc（on zinc sulfide basis） ≥28
Quality standard GBT1707-95
Tinting strength(Relative) ≥105
Total zinc sulfide and barium sulfate ≥99.0
Water soluble % ≤0.40
Oil absorption,g/100g ≤14.0
Sieve residue 45um ％ ≤0.10
Volatile at 105℃ g/100g ≤0.30
Color not lower than standard