| Category | Ceramic , Oxide , Aluminum Oxide |
| Manufacturer | GBC Materials |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | GBC Grade 90 Alumina.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 3.64 g/cc | 0.132 lb/in³ | |
| Open Porosity | 0.00 % | 0.00 % |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Mohs | 9.0 | 9.0 | |
| Tensile Strength, Ultimate | 180 MPa | 26100 psi | |
| Flexural Strength | 360 MPa | 52200 psi | |
| Compressive Strength | 1800 MPa | 261000 psi |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 7.00 µm/m-°C @Temperature 20.0 °C |
3.89 µin/in-°F @Temperature 68.0 °F |
|
| Maximum Service Temperature, Air | 1400 °C | 2550 °F |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Al2O3 | 90 % | 90 % |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Electrical Resistivity | 5.00e+10 ohm-cm | 5.00e+10 ohm-cm | |
| Dielectric Constant | 8.1 | 8.1 | |
| Dissipation Factor | 0.00040 | 0.00040 | |
| Dielectric Loss Index | 0.0040 | 0.0040 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Black |