Rongsheng Jm23 Jm26 Jm28 Jm32 Refractory Fire Bricks 1800C White Light Weight Insulating Mullite Bricks

Product Description Of Mullite Insulation Brick The light weight mullite insulation brick is a kind of insulation material adopting organic matter as ignition loss substance in order to increase the porosity of refractory, which has such advantages as high porosity, small volume density, good insulation effect, high mechanical intensity, small thermal conductivity and long service life. For various industrial kilns & furnaces, it is a kind of essential refractory for energy