... kaolin,Sintered mullite,Bauxite.Refractory materials Widely used in blast furnaces, Hot Blast Stove, ladle lining, reheating furnace, cement kiln, Tunnel kiln,boiler, coke oven ... ,carbon furnace,glass kiln , Steel smelting furnace and various kiln lining and thermotechnical equipment, etc. High quality refractory materials