If you have any question, please contact us
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High alumina checker bricks are used in the middle part of hot blast stove, usually holes of checker varies 7 holes, 19 holes and 37 holes according to thermal calculation.
High alumina checker bricks are used in the middle part of hot blast stove, usually holes of checker varies 7 holes, 19 holes and 37 holes according to thermal calculation.
| High alumina checker | ||
| Item | Unit | DRL-65 |
| Al2O3 , | % | ≥65 |
| Fe2O3, | % | ≤1.5 |
| Bulk density， | g/cm3 | ≥2.35 |
| Apparent porosity， | % | ≤24 |
| Cold crushing strength， | Mpa | ≥40 |
| Refractoriness under load ℃ T0.6 | ℃ | ≥1500 |
