Description: 86-0371-56010932zzrsnc(a)yahoo.comwww.rs-refractory.com mullite insulation bricks are made from good quality and superpure raw materials, with strictly classified fillings according to their grades. These fillings can form a uniform pore structure after burnt during the process of manufacture. Each grade of products has unique design to meet different thermal, physical and chemical demands. Applications: Mullite insulation bricks refractory material can be used in linings or heat-insulating materials of the industries, such as, ethylene pyrolysis furnaces, tubular furnaces, reforming furnaces of synthetic ammonia, gas generators and high-temperature shullte kilns, etc Specifications: JM serisesItemJM23JM26JM28JM30AL2O3(%)38-4450-5865-7070-73Fe2O3(%)1.00.90.80.7Classification Temperature (℃)1350143015401600Bulk Density (g/cm3)0.8-10.8-10.8-10.8-1Reheating Linear Change (%) CT-30 ℃X 8H1250℃-0.51400℃-0.51500℃-0.51550℃-0.5Cold Crushing Strength (Mpa)3.0-4.53.0-4.53.0-4.53.0-4.5Modulus of Rupture (Mpa)1.51.71.82.0Thermal conductivity400℃(W/m.k)0.250.270.320.41Thermal Expansion1000℃(%)0.50.70.80.9
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