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Insulating castable is made from aluminum bubble and aluminate cement. It has high strength, low thermal conductivity and good insulating properity, all of it’s properties are stable under atmosphere of high temperature, high pressure and reduction.
Item | Specifications | |
JX-IC-1.5 | ||
Al2O3 (%) ≥ | 88 | |
CaO (%) ≤ | 4.0 | |
Fe2O3 (%) ≤ | 0.7 | |
Bulk Density (g/cm3) ≤ | 110℃×24h | 1.5 |
Cold Crushing Strength (Mpa) ≥ | 110℃×24h | 8.0 |
1500℃×3h | 4.0 | |
Linear Change After Heat (℃) ≤ | 1500℃×3h | 0.5 |
Thermal Conductivity (W/m.k) ≤ | 500℃ | 0.95 |
1000℃ | 0.9 | |
Refractoriness (℃) ≥ | 1790 | |
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