Sangam Minerals is a prominent Importer and Supplier of Magnesium Carbonate Powder 41% . The primary use of Magnesium Carbonate 41% is the production of magnesium oxide by calcining (see #Reactions). Magnesite and dolomite minerals are used to produce refractory bricks. MgCO 3 is also used in flooring, fireproofing, fire extinguishing compositions, cosmetics, dusting powder, and toothpaste. Other applications are as filler material, smoke suppressant in plastics, a reinforcing agent in neoprene rubber, a drying agent, a laxative to loosen the bowels, and color retention in foods. In addition, high purity magnesium carbonate is used as antacid and as an additive in table salt to keep it free flowing. Applications Used in flooring Fireproofing Fire extinguishing compositions Cosmetics Dusting powder Toothpaste Filler material Smoke suppressant in plastics Reinforcing agent in neoprene rubber Drying agent Laxative to loosen the bowels Color retention in foods As an antacid As an additive in table salt to keep it free flowing Specifications Nature - Slightly alkaline Appearance - White Amorphous Fine Powder Taste - Tasteless Odour - Odourless PH - 9.0 + - 0.5 Bulk density loose - 0.12 + - 0.01 gm/cm 3 Bulk density pack - 0.15 + - 0.01 gm/cm 3 Chloride - 0.05% + - 0.01 Sulphate - 0.3% + - 0.01 Iron - 0.006% + - 0.01 Calcium - 1.0% + - 0.01 Bicarbonate - Trace Amount Heavy metals impurities - Nil Solubility - Insoluble in Water 5% solution in dilute HCL is clear CO 2 % - 34-36.3 MGO% - 41.0% + - 0.01 Hygroscopic moisture - 2% + -%