limestone Our calcium carbonate (CaCO3) is an ideal choice because of its purity, high calcium content.It is used in many industries such as feed industries, glass, water treatment and fiber glass applications. Chemical Anyalysis %Caco3 99.2Cao 54.78Mgo 0.08Fe2O3 0.04Al2O3 0.60SiO2 0.45NaO3 0.06K2O 0.02SO4 0.04L.O.I 43.2SO3 0.04Whiteness: 96 % (powder)Sizes: Chips 1-10mm, Lumps 5-30 cm.other sizes are available as per customer request. Previous Next Conatct Us