Excellent Electrical Insulation High 99% Alumina Ceramics
Product Specifications
Attribute | Value |
Material | 99% Alumina Ceramics |
Density | 3.85g/cm³ |
Flexural Strength | 350 Mpa |
Shape | Customizable |
OEM/ODM | Acceptable |
Origin | Wuxi Jiangsu, China |
MOQ | 100 PCS |
Package | Carton |
Product Description
Alumina ceramics are widely used due to their superior performance characteristics. These ceramics offer excellent electrical insulation, high mechanical strength, outstanding thermal conductivity, and exceptional resistance to high temperatures, corrosion, and wear. They maintain excellent quality under chemical shock and thermal cycling conditions.
Material Properties Comparison
Material | Unit | A95% Alumina | A97% Alumina | A99% Alumina | A99.7% Alumina |
Density | g/cm³ | 3.6 | 3.72 | 3.85 | 3.85 |
Flexural Strength | Mpa | 290 | 300 | 350 | 350 |
Compressive Strength | Mpa | 3300 | 3400 | 3600 | 3600 |
Modulus of Elasticity | Gpa | 340 | 350 | 380 | 380 |
Impact Resistance | MPam1/2 | 3.9 | 4 | 5 | 5 |
Weibull Modulus | M | 10 | 10 | 11 | 11 |
Vickers Hardness | HV0.5 | 1800 | 1850 | 1900 | 1900 |
Thermal Expansion Coefficient | 10-6K-1 | 5.0-8.3 | 5.0-8.3 | 5.4-8.3 | 5.4-8.3 |
Thermal Conductivity | W/Mk | 23 | 24 | 27 | 27 |
Thermal Shock Resistance | △T℃ | 250 | 250 | 270 | 270 |
Maximum Use Temperature | ℃ | 1600 | 1600 | 1650 | 1650 |
Volume Resistivity at 20℃ | Ω | ≥1014 | ≥1014 | ≥1014 | ≥1014 |
Dielectric Strength | KV/mm | 20 | 20 | 25 | 25 |
Dielectric Constant | εr | 10 | 10 | 10 | 10 |
Product Images