... ' requirements. 3. Used for various Hi-temp industrial kilns. Refractory materials can be divided into shaped refractory products(Such as: Refractory brick ,Fire clay brick ... ) and unshaped refractory materials(Such as:Refractory castable, Plastic refractory, High temperature refractory mortar ect), Widely used in metallurgy, petroleum, chemical industry, Cement, Glass, Casting ...