?Molecular formula: BaCO3 CAS NO.: 513-77-9 Appearance: Powder Purposes: For barium salt, tubes, batteries, capacitors, ceramic, enamel, optical glass, paint, rubber, paint, ferrite rod, carburizing steel, radio components and high-rise buildings brick used, and so on. Packaging: Use kraft paper bags or plastic woven bags, product net bag in 25 kg, 50kg. The transport process to prevent wind and the rain, no food mixed with the transport. Factory standards: GB/T1614-1999HS Code: 28366000Trademark:WU ZHOUPacking:25 kg/50kgCompany:Haohua Northchem Coproration