light fire clay insulating brick

Lightweight fire clay insulating brick is widely used, mainly used in a variety of industrial kiln does not contact the melt and no erosion of the role of gas insulation material, the use of temperature 900-1000 ℃. Mainly used for thermal boilers, glass kilns, cement kilns, fertilizer gas furnace, blast furnace, hot air stove, coking furnace, electric furnace, casting and pouring brick. Lightweight clay insulation brick can be used as a hot surface refractory or other