Fáinní Ceirmeacha Alúmana
Paraiméadair Theicniúla
Teorainneacha Oibriúcháin | Aonaid | Ceirmeacht Alúmana | Ceirmeacht Alúmana |
Ábhar Alúmana | wt% | ≥ 99 | ≥ 95 |
Dlús Toirt | g /cm3 | 3.85 | 3.7 |
Cruas (HRA) | HRA ≥ | 88 | 86 |
Neart Comhbhrúiteach | MPa ≥ | 400 | 300 |
Teocht uasta | ℃ | 1500 | 1500 |
Tástáil Aer daingean | Pas | Pas | |
Tástáil Turraing Teirmeach | Pas | Pas | |
Comhéifeacht Leathnú Teasa | × 10-6 / ℃ | 8.2 | 7.5 |
Tairiseach Tréleictreach | εr20 ℃, 1MHz | 9.2 | 9 |
Caillteanas Tréleictreach | tanδ×10-4, 1MHz | 2 | 3 |
Friotaíocht Toirte | Ω·cm 20 ℃ | 1014 | 1013 |
Neart Puncture | KV/mm, DC≥ | 20 | 20 |
Aigéad-friotaíocht | mg/cm2 ≤ | 0.7 | 7 |
Alcaile-resistant | mg/cm2 ≤ | 0.1 | 0.2 |
Friotaíocht Abrasion | g/cm2 ≤ | 0.1 | 0.2 |
Neart Comhbhrúiteach | M Pa ≥ | 2800 | 2500 |
Neart Flexural | M Pa ≥ | 350 | 200 |
Modal Leaisteacha | G Pa | 350 | 300 |
Cóimheas Poisson | 0.22 | 0.2 | |
Seoltacht Theirmeach | W/m·K(20 ℃) | 25 | 20 |