purposes: Limestone is widely used in building materials, metallurgy, chemical industry, agriculture and other fields. Using the materials, having the right ash, cement manufacturing, glass, soda ash and precipitated calcium carbonate, etc..
Because of impurities containing different colors are gray, gray, dark gray, light yellow, brown or dignitaries, the density of ~ 2.2 2.9g/cm3. Hard to dissolve in water. Soluble in water containing carbon dioxide, generate acid-soluble calcium carbonate. Emit carbon dioxide dissolved in hydrochloric acid. When calcined lime and carbon dioxide production