Alumina Keramik Réng
Technesch Parameteren
Betribssystemer Grenzen | Unitéiten | Alumina Keramik | Alumina Keramik |
Alumina Inhalt | Gewiicht% | ≥ 99 | ≥ 95 |
Volume Dicht | g/cm3 | 3,85 | 3.7 |
Hardness (HRA) | HRA ≥ | 88 | 86 |
Kompressiv Kraaft | MPa ≥ | 400 | 300 |
Maximal Temperatur | ℃ | 1500 | 1500 |
Loftdicht Test | Pass | Pass | |
Thermesch Schock Test | Pass | Pass | |
Koeffizient vun Hëtzt Expansioun | × 10-6/℃ | 8.2 | 7.5 |
Dielektresch Konstant | εr20℃, 1MHz | 9.2 | 9 |
Dielectric Verloscht | tanδ × 10-4, 1MHz | 2 | 3 |
Volume Resistivitéit | Ω·cm 20℃ | 1014 | 1013 |
Puncture Kraaft | KV/mm, DC≥ | 20 | 20 |
Säurebeständegkeet | mg/cm2 ≤ | 0.7 | 7 |
Alkali-resistent | mg/cm2 ≤ | 0.1 | 0.2 |
Abrasion Resistenz | g/cm2 ≤ | 0.1 | 0.2 |
Kompressiv Kraaft | M Pa ≥ | 2800 | 2500 |
Flexural Kraaft | M Pa ≥ | 350 | 200 |
Elastesche Modul | G Pa | 350 | 300 |
Poisson Verhältnis | 0,22 | 0.2 | |
Thermesch Konduktivitéit | W/m·K(20℃) | 25 | 20 |