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JM28 insulating fire brick manufacturer introduction
As the insulating fire brick manufacturer, Kerui's refractory products have always been leading in the industry. JM28 insulating fire brick has high refractoriness, which can reach more than 1790℃. Load softening starting temperature 1600 ~ 1700℃. Compressive strength 70 ~ 260MPa at room temperature.
Features of JM28 insulating fire brick:
JM28 insulating fire brick has good thermal shock resistance, high strength, low creep rate at high temperature, low expansion coefficient, small heat coefficient and acid slag corrosion resistance.
Application of JM28 insulating fire brick:
JM28 insulating fire brick is mainly used in hot blast furnace top, blast furnace body and bottom, glass furnace regenerator, ceramic sintering kiln, oil cracking system lining and so on.
More relevant refractory products: Light Weight Insulation Ceramic Fiber Board
JM28 insulating fire brick:
| JM-28 Model | Volume Density | Reheating Linear Change Rate | Cold Crushing Strength | Modulus of rupture | Thermal Conductivity | Al2O3 | SiO2 | Fe2O3 |
| - | g/cm3 | 1500℃*12h% | MPa | MPa | W/m·K | % | % | % |
| A | 0.8 | -1 | 2.5 | 1.4 | 0.28 | 64 | 33 | 0.7 |
| B | 0.9 | -0.8 | 2.8 | 1.6 | 0.32 | 65 | 32 | 0.6 |
| C | 1 | -0.7 | 3.5 | 1.8 | 0.34 | 66 | 31 | 0.6 |