JM28 insulation firebricks are made from high purity materials by unique technics, so they have a lot of advantages such as stable volume, excellent thermal stability, high intensity, and low thermal conductivity. JM28 insulation refractory brick can contact with the flame directly and JM28 insulation fire brick suitable for various atmosphere.
Index | Model | Bulk Densityg/cm3 | Reheating linear Change | Cold Crushing Strength MPa | Modulus of Rapture MPa | Thermal Conductivity350℃ W/(m·K) | Chemical Composition % | ||
Al2O3 | SiO2 | Fe2O3 | |||||||
JM28 | A | 0.8 | -1.0 1500℃*12h | 2.5 | 1.4 | 0.28 | 64 | 33 | 0.7 |
B | 0.9 | -0.8 1500℃*12h | 2.8 | 1.6 | 0.32 | 65 | 32 | 0.6 | |
C | 1.0 | -0.7 1500℃*12h | 3.5 | 1.8 | 0.34 | 66 | 31 | 0.6 |
JM28 insulation refractory block can be used as linings or as thermal preservation layers in various industrial furnaces and kilns in metallurgical industry, ceramic industry, chemical industry, machinery industry, such as blast furnace, hot blast stoves ,electric arc furnace, cement kiln,melting furnace, ignition furnace, flue, refining equipment, heating equipment and piping, regeneration device, gas furnace, soaking furnace, annealing furnace, heat reaction chamber and other thermal industrial equipment.
RS refractory factory is a professional JM28 insulation refractory brick supplier that established in the early 90s of twenty century. RS refractory factory has specialized in JM28 insulation fire brick for more than 20 years. if you have some demand of JM28 insulating bricks, or have some questions on JM28 insulation refractory brick about physical and chemical indicators, please contact us for free. and Rs refractory factory as a professionalacid JM28 insulation firebrick manufacturer in china, has some competitive advantages as follows: