... . 3.Excellent thermal insulation property. Ceramic fire board,refractory fiber board,insulation ceramic fiber boardCharacteristic:1. Low thermal conductivity , Low thermal capacity and excellent thermal insulation property.2 ... wall.4, Fire safety in high-rise buildings and insulation.5, Kiln oven door, roof insulation.6, High-temperature filter material. Refractory fiber board,Ceramic fiber board