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The key benefits of StarCeram® A include: Cheaper than other technical ceramics, high strength, high hardness, good temperature stability, high wear resistance, high corrosion resistance even at high temperatures.
See where StarCeram® A Aluminium Oxide (Alumina, Al₂O₃) 99.7% purity falls on the material property chart for Density against Elastic modulus in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.
3.9 g/cm³ at 20 °C
4-point bending, 40/20mm
converted from 20 GPa
Coefficient of thermal expansionα
7.8E-6 1/K at 20 °C
RT - 1000°C
Max service temperatureTmax
25 W/(m·K) at 20 °C
Thermal shock parameter R1R1
1.00E+12 Ω·m at 20 °C
Air separator wheels, bearing bushes, protection sleeves, crucibles, cylinder linings, dose bushes, pistons, extruder screws, nozzles, slide valves, rotors, seals, sliding rings, stationary seats, wear protection parts, welding rolls, centering pins
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This material data has been provided by KYOCERA Fineceramics Precision GmbH.