Limestone composition and general characteristics: limestone mineral composed mainly of calcite (the main component is CaCO3) offer water with lime powder, accompanied by dolomite, magnesite and other carbonate mineral water with lime powder price, but also mixed with some other impurities. Limestone has a good workability, polished performance and good quality water with lime cement powder, insoluble in water, soluble in acid, can react with a variety of strong acids and the formation of the corresponding calcium salt, and release CO2. Lime technical requirements: according to the content of lime in protactinium oxide, quicklime and lime powder into calcium lime and magnesia lime; slaked lime according to the content of magnesia slaked lime powder into calcium lime powder, lime powder and magnesia dolomite lime powder.