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Material | 99% Alumina Ceramics |
Density | 3.85g/cm³ |
Vickers Hardness | 1900 HV1/2 |
Shape | Customizable |
OEM/ODM | Acceptable |
Origin | Wuxi Jiangsu, China |
MOQ | 100 PCS |
Package | Carton |
Our 99% alumina ceramics offer exceptional mechanical properties including high strength, superior hardness, and excellent wear resistance. These advanced ceramic materials provide outstanding thermal and electrical insulation properties, making them ideal for demanding industrial applications.
Key advantages include corrosion resistance, high temperature stability (up to 1650℃), low thermal expansion, and excellent thermal conductivity. These properties make them perfect for mechanical industry wear parts, tool materials, electronic insulators, and specialized refractory applications.
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 |