If you are looking for customized and cheap refractory cement made in China from a refractory cement factory, Zibo Qunhui Refractory Co.,Ltd is always at your service.Refractory cement also called Aluminate cement, Aluminate cement is bauxite and limestone as raw material, by the calcination of calcium aluminate as the main composition, alumina content about 50% - 50% of the clinker, again into the water rigid gelled material.Aluminate cement is often yellow or brown, and gray.Aluminate cement main minerals become a calcium aluminate (CaO, Al2O3, abbreviated CA) and other aluminum acid salt, and a small amount of dicalcium silicate (2, CaO SiO2), etc., is a kind of special cement.