1.Lithopone B301 B311 28%-30% 2.High quality,Competitive price 3.Well-used in paint-making,printing ink,plastics,leather,PVC Lithopone B301 B311 1, Product Description White powder, White pigment, zinc sulfate content is 30%. Stronger hiding power and reducing power. Voluntary standards: GB/T1707-1995 Formula: ZnS BaSO4 2, Features 1) A white pigment produced by precipitation through filtering, ...