... PVC Lithopone B301 B311 1, Product Description White powder, White pigment, zinc sulfate content is 30%. Stronger ... : ZnS BaSO4 2, Features: 1) A white pigment produced by precipitation through filtering, heating and quenching ... weatherability, strong characteristic.Uses: Widely used in coating, powder, plastic, profiles, paint, rubber, paper, and ... ’ request High Quality White Powder B301 B311 Lithopone