Grade: B311 Description: Lithopone B311 is a white powder form pigment,produced by ZnSO4 and BaS, has good hiding power, excellent heat resistance.In daily application,it is considered as the best replacement of titanium dioxide. Specs: Total Zinc Calculated use Zinc Sulfate and Barium Sulfate % 99 min Zns % 30 min Zinc Oxide % 0.3 max Volatile at 105? % 0.3 max water soluble matter % 0.4 max Sieve Residue,63um 0.05 max oil absorption,g/100g 12 max color, compared with the standard sample Close to PH value of aqueous suspension 6.0-8.0 Tint reducing power % 105 hiding power Not less than of 5% the standard sample Application: This product is widely used in coating, printing ink,rubber and plastics field and so on. CAS Number: 1345-05-7 EINECS No.: 215-715-5 H.S Code: 32064210 Package: Packed by paper bag with net weight 25 Kg, 500 Kg and 1000 Kg or as per customer's choice.