Gongyi taurus refractory material factory is a professional refractory materials manufacturers and refractory materials suppliers, mainly supply refractory bricks, 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. TypeGDL-1 GDL-2 GDL-3 GDL-4 Chemical composition (%)SiO296969696 Al2O3â?¤0.70.60.60.5 Fe2O3â?¤0.550.550.50.5 Cold crushing strength (Mpa)1250â??Ã?3h After firing at15151010