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Yixing Dingshan Refractory Material adopts Mullite-Cordierite composite material to produce coke oven door brick, which has the advantages of good thermal shock stability, small thermal expansion coefficient and long service life, and has been widely used in major Coking enterprises.
Item | DT-MA40 | |
Chemical Composition (%) | Al2O3 | ≥40.0 |
MgO | ≥3.0 | |
Bulk Density (g/cm3) | ≥2.1 | |
Refractoriness Under Load(R.U.L.) 0.2MPa(℃) | 1300 | |
Apparent Porosity (%) | ≤28.0 | |
Cold Crushing Strength (MPa) | ≥30.0 | |
Permanent Linear Change (%) | 1300℃Sintering | -0.2~+0.2 |
Thermal Shock Resistance, (Times) | 1100℃-Hydrocooling | ≥50 |
