Lithopone(ZnS.BaSO4)(Rubberlith)(Zinc Barium Sulfate)28%-30%B301 B311 * good hiding power * excellent heat resistance Lithopone( ... ZnS.BaSO4)(Rubberlith)(Zinc Barium Sulfate)28%-30%B301 B311 Property: white powder, non-toxic, odorless, insoluble ... and barium sulphate ≥99.0 ≥99.0 zinc sulfide content, % ≥28.0 ≥30.0 zinc oxide content, %≤0.5≤0.3Color ...