Customization: | Available |
---|---|
Application: | Thermal Insulation |
Density: | Medium Density |
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General | Properties | Unit | 99.7%Al2o3 | 99%Al2O3 | 96%Al2O3 | ZTA | ZrO2 | SiC | AlN |
Mechanical | Volume Density |
G/cm 3 | ≥3.90 | ≥3.85 | ≥3.65 | ≥4.2 | ≥6.0 | ≥3.13 | ≥3.2 |
Hardness | HRA | 1700 | 1700 | 1500 | 1500 | 1300 | 2500 | 1100 | |
Porosity | % | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Compressive Strength |
Mpa | ≥2600 | ≥2500 | ≥2050 | ≥2900 | ≥2500 | ≥2200 | ||
Bending Strength |
Mpa | ≥410 | ≥350 | ≥320 | ≥400 | ≥1200 | ≥400 | ||
Elastic Modulus |
Gpa | 370 | 350 | 300 | 380 | 210 | 400 | 320 | |
Thermal | Thermal Conductivity |
W/m.K | 30 | 29 | 24 | 27 | 3 | 120~150 | ≥170 |
Coefficient of Thermal Expansion |
1*10- 6m/k |
8.0~8.2 | 6.2~8.0 | 5.0~8.0 | 7.7~8.3 | 8.0~9.5 | 4 | 4.6 | |
Electrical | Insulation Breakdown |
KV/mm | 19 | 8 | 18 | 18 | 17 | - | - |
Volume Resistivity |
Ohm.Cm | >1*1014 | >1*1014 | >1*1014 | >1*1013 | >1*1011 | 5*106 | - |