Complaint
| Item | Testing Condition | Unit | 75% Al2O3 | 90% Al2O3 | 95% Al2O3 | 99% Al2O3 | 99.5% Al2O3 | Steatite |
| Bulk Density | g/cm3 | >3.20 | >3.40 | >3.60 | 3.7 | 3.7 | ≥2.6 | |
| Flexural Strength | N/m2×103 | 1.96 | 2.25 | 2.24 | >2.24 | >2.74 | 1.37 | |
| Coefficient of linear Expansion | 20-800°C | ×10-6/°C | 6.3-7.3 | 6.5-8.0 | 6.5-8.0 | 6.5-8.0 | ≤8 | |
| Permittivity | 1MHz | ≤9 | 8.5-9.5 | 9-10 | 9-10.5 | 9-10.5 | ≤7.5 | |
| 10GHz | 9-10 | 9-10.5 | ||||||
| Insertion Loss | 1MHz | ×10-6 | ≤10 | ≤8 | ≤4 | ≤2.5 | ≤1.5 | ≤8.0 |
| 10GHz | ×10-6 | ≤10 | ≤6 | |||||
| Bulk density Resistance | 100°C | Ω.Cm | >1012 | >1013 | >1013 | >1013 | >1014 | >1012 |
| Puncture Strength | KV/mm | 20 | 15 | 15 | 15 | 15 | 20 | |
| Thermal Conductivity | 20°C | W/m.k | 16.8 | 25.2 | 25.2 | 29.2 | 2.9 |
