Alumina oxide balls are resistant to most corrosive materials, however it is not recommended for environments containing hydrochloric and hydrofluoric acids or strong alkaline solutions. Alumina Oxide’s maximum useful temperature is 3180° F.
| Compressive Strength | 330,000 psi |
| Maximum Useful Temperature | 3180°F |
| Thermal Conductivity | 35.6 W/m °C (@ 20°C), 6.3W/m °C (@ 800°C) |
| Thermal Expansion | 4.6 x 10 to the -6th power/°F |
| Electrical Resistivity | >10 to the 14th power Ohm/cm (@25°C), 2.5 x 10 to the 6th power Ohm/cm (@900°C) |
| Young’s Modulus of Elasticity | 54 x 10 to the 6th power psi |
| Hardness | 1365 Vickers |
| Density | .139 lbs/inch to the 3rd power |