Lithopone B301/B311
CAS No.: 1345-05-7
Molecular Formula: ZnSBaSO4
Molecular Weight: 81.39
Appearance: white powder
Specification:
Lithopone B301
Lithopone 28%
Ba+SO4 (as ZnS) (m/m) : 99%Min
Zinc (as ZnS) (m/m): 28%Min
Zinc Oxide (m/m): 0.6%Max
105ºC Volatile (m/m): 0.3%Max
Water Soluble (m/m) : 0.4%Max
Screen residues (63um mesh) (m/m): 0.1%Max
Oil absorption g/100g : 14Max
Color Killing (Compare with standard specimen): 105 %Min

Lithopone B311
Lithopone 30%
Ba+SO4 (as ZnS) (m/m): 99%Min
Zinc (as ZnS) (m/m): 30%Min
Zinc Oxide (m/m): 0.3 %Max
105ºC Volatile (m/m): 0.3%Max
Water Soluble (m/m): 0.3%Max
Screen residues (63um mesh) (m/m): 0.1 %Max
Oil absorption g/100g : 10Max
Color Killing (Compare with standard specimen): 105 %Min
Usage:used as a base for lake pigment and used as a inert pigment for paint, ink and cosmetics as well as in a large range of applications in plastic industry. It is used as a filler in paper, leather, and linoleum.
Packing: 25kg plastic bag with PE inside and PP woven outside; 25MT/20FCL
H.S. Code : 3206421000