Jiangsu Yubei Ceramics Co., Ltd.
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99% Alumina Ceramic Plate With Grooves Insulating Mechanical Alumina Plate
Alumina ceramic plates are an extremely durable and reliable material used in a variety of technologies and applications. They are composed of aluminum oxide, which is a stable material with excellent electrical insulation and thermal conductivity properties.
Alumina ceramic plates are ideal for high-heat applications and are often used in advanced electronics and semiconductor packaging. They are also lightweight and easy to work with, making them a popular choice for a wide range of applications.
| Size | Customized by drawings or samples |
| Material | 95% or 99% alumina |
| Lead time | 30 days |
| Price | Denpend on drawing |
| Max. diameter | 500mm |
| Properties | Item | Unit | 99% Alumina | 95% Alumina |
| Mechanical Property | Color | -- | Light Yellow | White |
| Mechanical Property | Density | g/cm3 | 3.85 | 3.6 |
| Mechanical Property | Bending Strength | MPa | 310 | 300 |
| Mechanical Property | Compressive Strength | MPa | 2400 | 2300 |
| Mechanical Property | Elastic Modulus | GPa | 340 | 320 |
| Mechanical Property | Fracture Toughness | MPam1/2 | 3-4 | 3-4 |
| Mechanical Property | Weber Coefficient | m | 12 | 12 |
| Mechanical Property | Vickers Hardness | HV0.5 | 1600 | 1400 |
| Thermal Property | Coefficient of Line Thermal Expansion | 10-6K-1 | 7-8 | 7-8 |
| Thermal Property | Thermal Conductivity | W/mK | 29 | 20 |
| Thermal Property | Thermal Shock Resistance( in water) | ΔT℃ | 200 | 250 |
| Thermal Property | Max Working Temperature | ℃ | 1600 | 1500 |
| Electrical Property | Volume Resistance at 20℃ | Ωcm | >1014 | >1014 |
| Electrical Property | Dielectric Strength | V/m | 15X106 | 15X106 |
| Electrical Property | Dielectric Constant | εr | 10 | 9 |
99% Aluminum Oxide Ceramic Plate