... ink,plastics,leather,PVC Lithopone B301 B311 1, Product Description White powder, White pigment, zinc sulfate content is 30%. Stronger hiding power ... : GB/T1707-1995 Formula: ZnS BaSO4 2, Features: 1) A white pigment produced by precipitation through filtering, heating and quenching works2 ... is much cheaper3, Applications: 1) Used as a base for lake pigment 2) Used as a inert pigment for paint, ink ...