The QUICKLIME is produced from limestone containing over 95% calcium carbonate. They produce by heating raw limestone deposits in a kiln up to temperatures of 900 degrees. This process is referred to as calcination process. Quick Lime Powder is much used in Sugar Refinery, Steelmaking, FGT, Construction, Masonry & Mortars, Water Treatment, Chemical Processes, Mining Industryapplications, ... SIZE 150MESH, COLOR MILKLY WHITE CaO > 90%, S < 0.08%, MgO < 2.0%, Fe2O3 < 0.05%, Al2O3 < 0.5%, SiO2