Lithopone B301/B311 OUR COMPANY LOCATED IN CHINA MIANLAND The product have high quality with competitive price. Lithopone B301/B311 OUR COMPANY LOCATED IN CHINA MIANLAND! Appearance: White Powder CAS NO.: 1345-05-7 Specification: Item Standard B301 B311 Ba+SO4 (as ZnS)% (m/m) 99 min 99 min Zinc (as ZnS) (m/m)% 28 min 30 min Zinc Oxide %(m/m) 0.6 max 0.3 max 105Deg.C. Volatile%(m/m) 0.3 max 0.3 max Water Soluble%(m/m) 0.4 max 0.3 max Screen residues (63um mesh) %(m/m) 0.1 max 0.1 max Oil absorption g/100g 14 max 10 max Color Killing (Compare with standard specimen) % 105 min 105 min. Packing: 25kgs net bag, 21mts in the 20'FCL.