fire insulation board

fire insulation boardapplication: The hot face and back lining heat insulation of all kinds industrial furnace Extra-high temperature, rapid heating, cooling furnace tests Converter, electric furnace, tundish , Package of hot metal Ceramics, electronics industry roller kiln, shuttle kiln, tunnel kiln Dead burned shaft kiln, mid-magnesia kiln, high-purity oil furnace, light-burned reflex kiln Machinery, metallurgical heat treatment furnace, heat furnace, forging furnace The glass industry annealing furnace, steel furnace, pool kiln Pyrolyzer, the chemical industry, hydrogen furnace, reborner, Constant/reduced Pressure Furnace, coking furnace Backing lining of the furnace in cement and architecture industry and metallurgy Main Specifications Of The Product Item Index Ordinary TRB-1 standardTRB-2 Alumina TRB-3 Zirconia TRB-4 Classification(°C) 1050 1200 1260 1400 Shrinkage(%) 800°C*24h≤-3 1050°C*24h≤-3 1200°C*24h≤-3 1350°C*24h≤-3 Theoretical thermal conductivity( w/m.k) Hot face 400°C Hot face 800°C 0.080-0.085 0.106-0.116 0.080-0.085 0.106-0.116 0.080-0.085 0.106-0.116 0.080-0.085 0.106-0.116 Density Kg/m3 230-800 230-800 230-800 230-800 crushing strenth 38-44 43-46 48-55 39-40 Al2O3+SiO2 % 95-96 96-97 99 / Al2O3+SiO2+ZrO2 % / / / 99 ZrO2 % / / / 12-15 Fe2O3 % 1.2 1.0 0.2 0.2 Na2O+K2O % ≤0.5 ≤0.5 ≤0.2 ≤0.2 Size 900mm*600mm*5mm-75mm or according to customers Package carton