JM23 insulating brick uses high pure mullite as raw material, JM23 insulating bricks are made by adding alumina powder according to different type and then sintering in high temperature. JM23 insulation firebrick is the new energy saving material for insulation. JM23 insulation fire brick is produced accordance with German industrial standard that especially for export to foreign countries.
Index | Model | Volume density g/cm3 |
Reheating Linear Change 1300℃×12h % |
Cold Compression Strength Mpa |
Bending Strength At Normal Temperature Mpa | Thermal Conductivity 350℃w/m.k |
Chemical Composition % |
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JM-23 | Al2O3 | SiO2 | Fe2O3 | |||||||
A | 0.5 | -1 | 1.2 | 0.9 | 0.16 | 42 | 54 | 0.8 | ||
B | 0.55 | -0.6 | 1.3 | 1.0 | 0.17 | 42 | 54 | 0.8 | ||
C | 0.6 | -0.5 | 1.6 | 1.1 | 0.19 | 44 | 52 | 0.8 | ||
D | 0.8 | -0.4 | 2.2 | 1.3 | 0.24 | 45 | 51 | 0.9 | ||
E | 1.0 | -0.2 | 2.8 | 1.7 | 0.31 | 45 | 51 | 0.9 |
JM23 insulation firebricks are widely used for heat-insulating purpose in many kinds of industrial furnace, electric furnace and metallurgical stove, Cracking furnace in petroleum, Hot blast furnace in metallurgy,Ceramic roller kiln, tunnel kiln, shuttle kiln for electrical porcelain, Pot furnace for glass industry, Inner lining of kinds of electrial furnaces and high temperature equipment.
RS refractory factory is a professional JM23 insulation refractory brick supplier that established in the early 90s of twenty century. RS refractory factory has specialized in JM23 insulation fire brick for more than 20 years. if you have some demand of JM23 insulation refractory block, or have some questions on JM23 insulation refractory brick about physical and chemical indicators, please contact us for free. and Rs refractory factory as a professionalacid JM23 insulation firebrick manufacturer in china, has some competitive advantages as follows: