Silicon Carbide Refractory Castable Silicon carbide refractory castable is a kind of refractory castable. It has high temperature resistance, high strength and high thermal conductivity. It is mainly used in steel nozzles, waste incinerators, electric arc furnace roofs, etc. Rongsheng Group, as a professional refractory manufacturer in China, we have a large inventory. In addition, we provide a variety of high-quality refractory products and enjoy discounted ex-factory prices. Composition of Silicon Carbide Castable Silicon carbide refractory castable is mainly composed of refractory aggregates, refractory powders, and additives. These raw materials contribute to its excellent performance. Besides, there are many high temp castable refractory for you to choose from. Refractory aggregates and powders include silicon carbide, corundum, alumina, zircon, silicate cement, and so on. Additives include retarders, water reducers, enhancers, and so on.