Alumina Parts

Alumina Parts are made of aluminum oxide ceramic(alumina or Al2O3), which is one of the most important and versatile materials in the field of oxide ceramics. This ceramic material therefore used in a wide range of applications. The alumina ceramic parts from UNIPRETEC has a Al2O3 purity up to 99.8%. Due to the fine structure of the material and its high surface quality, an unsurpassable combination of properties can be achieved.

The technical properties of the aluminium oxide parts are outstanding. The material is resistant to high temperature up to 1,700 degree C. Its extreme hardness of 2,000 HV 0.5 makes it particularly stable in shape. It also guarantees the high penetration resistance of > 20 kV/mm of the material.

Aluminum oxide products are also very pressure-resistant and are characterized by a low specific density of 3.65-3.90 g/cm3. Due to their high specific through resistance of 5 x 10 Ω.cm, the material is electrically insulating and exhibits a dielectric behavior.

The thermal conductivity of alumina ceramic components is particularly good at 20-30 W/m.K and, finally, alumina ceramic products are very resistant to corrosion and wear. For the Al2O3 product manufactured by our company from alumina ceramic, these excellent properties allow dimensions up to a diameter of 1,500 mm - with high compressive strength (2,000 MPa).

Technical Data Sheet (A950 and A990)

∆ The above data is offered for reference and comparison only, exact data will vary depending on manufacturing method and part configuration.

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