Alumina Ceramic mphete
Technical Parameters
Malire Ogwira Ntchito | Mayunitsi | Alumina Ceramics | Alumina Ceramics |
Zinthu za Alumina | wt% | ≥ 99 | ≥ 95 |
Kuchulukana kwa Voliyumu | g /cm3 | 3.85 | 3.7 |
Kulimba (HRA) | HRA ≥ | 88 | 86 |
Compressive Mphamvu | MPa ≥ | 400 | 300 |
Kutentha Kwambiri | ℃ | 1500 | 1500 |
Air Tight Test | Pitani | Pitani | |
Thermal Shock Test | Pitani | Pitani | |
Coefficient of Heat Expansion | × 10-6/℃ | 8.2 | 7.5 |
Dielectric Constant | 20 ℃, 1MHz | 9.2 | 9 |
Kutayika kwa Dielectric | tanδ×10-4, 1MHz | 2 | 3 |
Kukaniza kwa Voliyumu | Ω·cm 20℃ | 1014 | 1013 |
Puncture Mphamvu | KV/mm , DC≥ | 20 | 20 |
Kukana kwa Acid | mg/cm2 ≤ | 0.7 | 7 |
Zosagwirizana ndi alkali | mg/cm2 ≤ | 0.1 | 0.2 |
Abrasion Resistance | g/cm2 ≤ | 0.1 | 0.2 |
Compressive Mphamvu | M Pa ≥ | 2800 | 2500 |
Flexural Mphamvu | M Pa ≥ | 350 | 200 |
Elastic Modulus | G Pa | 350 | 300 |
Chiwerengero cha Poisson | 0.22 | 0.2 | |
Thermal Conductivity | W/m·K(20℃) | 25 | 20 |