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The parameter of Chrome corundum brick | ||||||
Item | Chrome-Corundum Brick | Chrome-Corundum Brick | Chrome-Corundum Brick | |||
Al2O3% | ≤38 | ≤68 | ≤80 | |||
Cr2O3% | ≥60 | ≥30 | ≥12 | |||
Fe2O3% | ≤0.2 | ≤0.2 | ≤0.5 | |||
Bulk density,g/cm3 | 3.63 | 3.53 | 3.3 | |||
Cold Crushing strength MPa130130120 | 130 | 130 | 120 | |||
Refractoriness under Load (0.2MPa ℃)170017001700 | 1700 | 1700 | 1700 | |||
Permanent Linear Change(%) 1600°C×3h±0.2±0.2±0.2 | ±0.2 | ±0.2 | ±0.2 | |||
Apparent porosity %141618 | 14 | 16 | 18 | |||
ApplicationHigh temperature industrial furnaces | High temperature industrial furnaces |