Aluminium Oxid Ceramic

Aluminium Oxide Ceramics

Aluminium oxide (Al2O3) has remarkable properies set, such as:

  • hardness;
  • good thermal conductivity;
  • perfect corrosion resistance;
  • low density.

Material

Al2O3,95%

Al2O3,99%

Density, g/cm3

3,7

3,88

Sponginess %

<0,5

<0,4

Hardness, HRC

85

88

Elongation strength, MPa

12-13

15-17

Compression strength, MPa

2000-2300

2000-2400

Thermal conductivity under 20-100˚С, Wt/mK

20-25

27-28

Coefficient of themal expansion, 1/К

5,5х10-6

5,3х10-6