Lithopone Item Standard B301 B311 Ba+SO4(asZnS)%(m/m)≥ 99 99 Zinc(asZnS)(m/m)%≥ 28 30 ZincOxide%(m/m)≤ 0.6 0.3 105℃Volatile%(m/m)≤ 0.3 0.3 WaterSoluble%(m/m)≤ 0.4 0.3 Screenresidues(63ummesh)%(m/m)≤ 0.1 0.1 Oilabsorptiong/100g≤ 14 10 ColorKilling(Comparewithstandardspecimen)%≥ 105 105 Properties:Whitepowder Uses:Lithoponeisawhitepigmentcomposedofamixtureofbariumsulfate(28-30%)andzincsulfide(68-70%)withtraceamountsofzincoxide.Itisproducedbyprecipitationthroughfiltering,heatingand quenchingworks. Lithopone hasmostlybeenreplacedbytitaniumdioxidewhichismoredurable,butitis muchcheaper. Itisusedasabaseforlakepigmentandusedasainertpigmentforpaint,inkandcosmeticsaswellas inalargerangeofapplicationsin plasticindustry.Itisusedasafillerinpaper,leather,andlinoleum. Packing:25kgor50kg P.P.bag.