... .factory production with reasonable price 2.SGS,BV inspection 28%-30% Lithopone B301 B311Physical appearance:white powder, non-toxic, tasteless, odourless ... %(m/m)≤0.30.3Water Soluble%(m/m) ≤0.40.3Screen residues (63um mesh) %(m/m) ≤0.10.1Oil absorption g/100g ... used as a filler in paper, leather, and linoleum. 28%-30% Lithopone B301 B311