Lithopone B301 (ZnS: 28-30%)
Lithopone B311 (ZnS: 30% Min.
For Paint, Color, Ink, Plastic, Rubber use
Idex
IndexSuper gradeGrade 1Qualified GradeTotal of Zinc and BaS04 (asZnS) %m/m) ≥
99Total Zinc (asZnS) %m/m) ≥
28Zinc oxide %m/m) ≤
0.60.81Volatile matters at 105°C %m/m) ≤
0.30.30.5Soluble matters in water %m/m) ≤
0.40.50.5screen residues 63µm mesh) %m/m) ≤
0.10.10.1Color(Compare with standard spcimen)
SuperiorSimilarLittle lowAlkalinity of water extracting
NeutralOil absorpting g/100g ≤
14Color Killing (Compare with standard specimen) % ≥
10510095Hiding power(ratio)
No below to 5%of standard sample(Absolut difference)