With the early strength and good performance in high temperature, impurity less engage in slag is good.

             1.Calcium aluminate cement and calcium carbonate is calcined alumina industry proceeds of calcium and two calcium as the main mineral composition of clinker,

        2. by adding an appropriate amount of a-alumina grinding aluminate cement made from high purity. With the early strength and good performance in high temperature, impurity less engage in slag is good.

        3.Mainlused in furnaces and thermal equipment, the chemical industry, metallurgy, ceramics and other industries with high-quality refractory castable binder.