hot sale professional lower price ceramic machinery parts cnc lathe hardware aluminum parts
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Item | High corundum brick | Wearable corundum brick | Mullite corundum brick | Wearable corundum brick |
Bulk density/cm3 | 3 | 2.9 | 2.9 | 2.7 |
Compression strength(under normal temperature) kg/cm2 | ≥400 | ≥600 | ≥250 | ≥200 |
Reheating linear shrinkage % | 1650Cx3 hours≤0.5 | 1650Cx3 hours≤0.5 | 1600Cx3 hours≤0.5 | 1500Cx3 hours≤0.5 |
Al2o3 content % | ≥ 95 | ≥ 93 | ≥ 85 | ≥ 93 |
Fe2o3 content % | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 |
The max working temperature | 1750C(SK32) | 1750C(SK32) | 1750C(SK32) | 1600C(SK24) |