LUYANGWOOL® insulating firebrick is made from high-grade and high purity refractory powders and materials. During the process of production, organic and multiple filling materials are injected accoridng to the required proportion. LUYANGWOOL insulating fire brick is compressed in vacuum and sintered under high temperature. Application Lining and back lining of various furnaces in the industry of metallurgy,petrochemical,ceramics,machinery and building materials.For instance:the cracking furnace,conversion furnace, heating equipment,refining equipment,reproduction equipment,hot blast stove,heating furnace, tunnel kiln,shuttle kiln,glass-pool kiln,tec Standard Specification Grade: 23,26,28,30,32Classification temperature:1300/1400/1500/1550/1600Size: 230x114x65mm, 230x114x76mmDensity: 600-1100kg/m3Customer-tailored productsare also available. For more information,please contact us !