Complaint
95% Alumina Thin Film Ceramic Substrates Wholesales
Performance for Alumina Substrate :
| Item | Unit | 95 Al2O3 | 99 Al2O3 |
| Heat Resistance | ºC | 1500 | 1800 |
| Bulk Density | g/cm3 | 3.6 | 3.8 |
| Water Absorption | % | 0 | 0 |
| Flexural Strength | Mpa | 320 | 360 |
| Hardness Vickers | Gpa | 12.2 | 15.6 |
| Elastic Modulus | Gpa | 280 | 370 |
| Poisson's Ratio | - | 0.22 | 0.23 |
| Linear Expansion Coefficient | (20-5000ºC) 10-6/ºC | 7.1 | 8 |
| Thermal Conductivity | W/(M.K) | 16 | 32 |
| Specific Heat | ×10-3J/(KG.K) | 0.78 | 0.9 |
| Dielectric Constant(1MHZ) | - | 9 | 9.9 |
| Dielectric Loss Angle | ×10-4 | 15 | 1 |
| Dielectric Strength | ×106V/m | 12 | 15 |
