For making cement, ceramic, lime, calcium salt, toothpaste, dyes, pigments, mineral water, artificial stone, putty, neutralizer, catalysts, fillers, pharmaceuticals, etc. Can be used for rubber, plastic, paper, putty, primer, paint and ink industry etc packing. Widely used in organic synthesis, metallurgy, glass production and asbestos, etc. Also can be used as industrial waste water neutralization agent, gastric and duodenal ulcer disease antacids, acidosis antidote, containing sulfur dioxide exhaust gas in the sulfur dioxide elimination agent, dairy feed additives and felt the anti-sticking agent, etc. CAS NO. : 471-34-1 HS Code : 28365000 Synonym : Calcite, Chalk, Limestone Origin : China Packing : 25 /kgs Bags Molecular Formula : CaCO3 or CCaO3 Molecular Weight : 100.086 g/mol Appearance : White Powder