Lithopone B311/B301 Molecular: Formula ZnS+BaSO4 Appearance: White, odorless powder Has mostly been replaced by titanium diox

The Specifications of Lithopone 

ITEM	Specification
	B311	B301
Total Zinc and Barium Sulphate %≥	99	99
Zinc Sulfide Content %≥	30	28
Zinc Oxide Content %≤	0.3	0.6
Tinter Reducing PowerCompared with Standard Samples ≥	105	100
105°C Volatile matter %≤	0.3	0.3
Water solubles %≤	0.3	0.4
Water suspension Ph-value	6.0-8.0	6.0-8.0
Oil absorption,g/100g≤	10	14
Residue on sieve 63μm %≤	0.1	0.1

The Applications of lithopone:

1) Used as a base for lake pigment ;

2) Used as a inert pigment for paint, ink and cosmetics ;

3) A large range of applications in plastic industry;

4) Used as a filler in paper, leather, and linoleum .