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REFRACTORY CASTABLE
Refractory Castable is also named Low Cement Castable,is a new high property Castable.It is special use for furnace lining.
ITEM | Low Cement Castable | |||
Fireclay | High Alumina | Corundum | ||
JSR-45 | JSR-70 | JSR-90 | ||
Al2O3 % | 45MIN | 70MIN | 90MIN | |
Refractoriness °C | 1730MIN | 1790MIN | 1790MIN | |
Bulk Density G/CM3 | 2.4MIN | 2.65MIN | 2.9MIN | |
Cold Crushing Strength. MPa | 110°C*24h | ≥30 | ≥40 | ≥50 |
1350 °C*3h | ≥65 | |||
1500 °C*3h | ≥90 | ≥100 | ||
Modulus Of Rupture.Mpa | 110 °C*24h | ≥5 | ≥7 | ≥8 |
1350 °C *3h | ≥10 | |||
1500 °C*3h | ≥10 | ≥12 | ||
Permanent Linear Change % | 1350 °C*3h | +/-1.0 | ||
1500 °C*3h | +/-0.5 | +/-0.5 | ||
Max Service Temperature°C | 1450 | 1550 | 1650 |