| Properties | Value | FlexDura |
| Thermal Properties | ||
| Permanent Linear Change | % | +0.75 |
| After heating at Temp. | oC | 1500 |
| Chemical Properties | ||
| Alumina (Al2O3) | % | 45.0 |
| Iron Oxide (Fe2O3) | % | 1.0 |
| Physical Properties | ||
| Cold Crushing Strength at 110oC | kg/cm2 | 700 |
| Dry Density | g/cm3 | 2.64 |
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