... types , long service life.ceramic fiber board TR brand ceramic fiber board is to add a special nano-materials ... refractoriness, excellent strength, long service life. We provide this board with sub-ordinary, standarded, high-purity, high aluminum, zirconium ... shaft kiln, mid-magnesia kiln, high-purity oil furnace, light-burned reflex kilnMachinery, metallurgical heat treatment furnace, heat furnace, ...