Available Mesh Size: 300/400/500 Packing: 25/40/50 kg Bags and Jumbo Bags. Specification: Parameters - Dolomite SiO2 - < 1 % MgO - 20.0±1.0% CaO - 30±2.0 % Al2O3 - < 1 % Fe2O3 - 0.10 % Max LOI - 45-47 % Whiteness - 95- 97 % Uses: Dolomite is used in Iron, Steel, Ferroalloy, Ceramic, Glass, Rubber and Paint Industries etc.