| Customization: | Available |
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| Application: | Electronic Devices, Lighting, Power Supply, Semiconductors |
| Material: | Al2O3 |
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| Alumina Ceramic Sheet | |||
| Item | Unit | 96% Al2O3 | |
| Mechanical Properties | |||
| Color | / | / | White |
| Density | Drainage Method | g/cm3 | ≥3.70 |
| Light Reflectivity | 400nm/1mm | % | 94 |
| Flexural Strength | Three Point Bending | MPa | >350 |
| Fracture Toughness | Indentation Method | MPa·m1/2 | 3.0 |
| Vickers Hardness | Load 4.9N | GPa | 14 |
| Young's Modulus | Stretching Method | GPa | 340 |
| Water Absorption | % | 0 | |
| Camber | / | Length‰ | T≤0.3: ≤5‰, Others: ≤3‰ |
| Thermal Properties | |||
| Max. Service Temperature (Non-loading) | / | ºC | 1200 |
| CTE (Coefficient of Thermal Expansion) |
20-800ºC | 1×10-6/ºC | 7.8 |
| Thermal Conductivity | 25ºC | W/m·K | >24 |
| Thermal Shock Resistance | 800ºC | ≥10 Times | No Crack |
| Specific Heat | 25ºC | J/kg·k | 750 |
| Electrical Properties | |||
| Dielectric Constant | 25ºC, 1MHz | / | 9.4 |
| Dielectric Loss Angle | 25ºC, 1MHz | ×10-4 | ≤3 |
| Volume Resistivity | 25ºC | Ω·cm | ≥1014 |
| Dielectric Strength | DC | KV/mm | ≥15 |
The molding process used for our alumina ceramic sheets is tape casting.
Jinghui Industry Ltd. is dedicated to producing high quality products. We do our best to ensure that any substrates supplied by us fully meet your performance expectations.
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