HS code:3206.4210 CAS NO.: 1345-05-7 1.molecular formular: ZnS BaSO4 2. specification: B301,B311 3. products description lithopone B301 B311 ZNS 28% MIN 30% MIN ZNO 0.6%MIN 0.3%MAX VOLATILE MATTE 0.3%MAX 0.3%MAX MATTER SOLUBLE IN WATERE 0.4%MAX 0.3%MAX RESIDUE ON SIEVE 63 UM 0.1%MAX 0.1%MAX OIL ABSORPATION VALUE 14 10 4.APPEARANCE OF LITHOPNE Lithopone is a white powder, a mixture of barium sulfate and zinc sulfide and it was non-toxic, tasteless, odorless,and insoluble in water.It is used as one of the important inorganic Chemicals Pigmentfor its good colouring and hiding power and good weather resistance.In addition,it has a good heat resistance which can improve the weather resistance and anti-algae,and excellent cover on the white power.And it can also decrease the costs. 5. PACKING ï¼?5KG/PP BAG,25MT/20FCL