... for refractories. Containing SiC72% ~ 99%. Silicon carbide brick With SiC as the main raw material for refractories. Containing SiC72% ... Si3N4 combined, Sialon with, β-SiC with, Si2ON2 combined and re-crystallization silicon carbide brick. Silicon carbide bricks of high thermal ... with kiln, the lower body and medium-sized blast furnace, furnace waist and belly stove, aluminum refining furnace ...