известняк

A lot of lime and limestone used as building materials, is also an important raw material in many industries. Limestone can be directly processed into stone and fired into quicklime. There quicklime and hydrated lime lime. The main ingredient is quicklime CaO, the general was massive, pure white, with impurities to light gray or pale yellow. Lime to absorb moisture or water to be hydrated lime, hydrated lime, also called slaked lime, and its main component is Ca (OH) 2. Hydrated lime after deployment into the lime slurry, lime paste, lime mortar, etc., used as coating materials and tile adhesives.