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):…………………………….…………………….0.3%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/20’FCL
H.S. Code : 3206421000