MaterialCorundum, Alumina TypeSZ-1SZ-2 Chemical Composition (%)Al2O36560 SiO23032 SiC25 CaO23 Gongyi Taurus Refractory Material Factory is a professional refractory materials manufacturers and refractory materials suppliers,mainly supply Unshaped Refractories,Silicon Carbide Refractory Castable,Castable Refractory Cement,Pouring Material,Castable Refractory Concrete,Silica Ramming Mass etc. series of refractory materials products, sincerely welcome everyone to visit.