TYPE AND PRODUCT:
--97% alumina ceramics
--99% alumina ceramics
APPLICATION:
--Main for mid-light seals parts in general working conditions
TECHNICAL INDEX:
Chemical content:
Item |
Al2O3 |
Fe2O3 |
Na2O |
Al2O3-99 |
≥99 |
≤0.1 |
≤0.3 |
Al2O3-97 |
≥97 |
≤0.1 |
≤0.4
|
Physical index:
Item |
Al2O3-99 |
Al2O3-97 |
Density (g/cm3) |
≥3.9 |
≥3.75 |
Compressive Strength |
540 |
380 |
Porosity(%) |
≤0.4 |
≤0.4 |
Hardness (HRA) |
≥90 |
≥85 |
Bending strength (kgf/cm2) |
≥2600 |
≥2500 |
Thermal Conductivity w/mok |
16.75 |
16.75 |
Coefficient of Thermal Expansion×10 1/℃ |
5.3 |
5.5 |
Thermal shock resistance (times) |
≥5 |
≥5 |