... XINPENG is the specialized manufacturer and exporter of refracotry and insulation material in north of China. Our products mainly include ... , USA, ITALY, JAPAN, TURKEY etc. Chamotte insulating brick, also named light clay brick,using chamotte as raw material, is made by ... adding combustible, gas evolution method, or foam method. Chamotte insulating brick is a kind of porous material with Al2O3 ...