Classification: Chemical Auxiliary Agent CAS No.: 1345-05-7 Other Names: Barium zinc sulfate MF: ZnS BaSO4 EINECS No.: 215-715-5 Purity: 30% Place of Origin: China (Mainland) Usage: Leather Auxiliary Agents, Petroleum Addi... Brand Name: VIDAR Model Number: B311,B301 Color: white. Type: Other . 25kgs plastic woven bags lined with polythene bags.