1.Lithopone B301 B311 28%-30% 2.High quality,Competitive price 3.Well-used in ... ,plastics,leather,PVC Lithopone B301 B311 1, Product Description White powder, White pigment, zinc sulfate content is 30%. Stronger hiding power ... P.P woven bag or with the clients’ request White Powder Lithopone 28-30%