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Alumina (Al2O3) Fasteners, crafted...
HM1984
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Alumina (Al2O3) Fasteners, crafted from high-performance alumina ceramics, are renowned for their exceptional insulation capabilities and superior heat resistance. Heeger Materials provides top-quality Al2O3 Fasteners at competitive prices, offering specialized and customized services to meet specific requirements.
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| Materials | Al2O3 |
| Purity | 95%, 99%, 99.7%, or customized |
| Size | Per request or drawing |
Alumina (Al2O3) Fasteners, being a superior fine ceramic material, find extensive application across multiple industries for connecting and securing diverse ceramic and metal components. They boast a wide array of exceptional physical and chemical properties, including high hardness, compressive strength, wear resistance, corrosion resistance, insulation performance, and high-temperature stability. These remarkable attributes render them highly suitable for prolonged utilization in high-temperature environments.
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Alumina Fasteners, Al2O3 Ceramic belongs to the alumina ceramics range and is selected for high hardness, electrical insulation, wear resistance and thermal stability. It is commonly used in project-specific assemblies, prototypes, replacement parts and drawing-based ceramic components as well as insulators, substrates, tubes, rods, plates, wear parts and precision ceramic components. When requesting a quote, confirm drawings, dimensions, tolerances, material grade, surface finish, quantity and working environment.
For material comparison or adjacent product forms, browse alumina rods, alumina plates, zirconia ceramic and alumina ceramics.
Can Alumina Fasteners, Al2O3 Ceramic be customized? Yes. Heeger Materials can review custom sizes, purity or grade requirements, tolerances, drawings, quantities and application conditions for this product.
Composition | UNIT | HM-Al95 | HM-Al99 | HM-Al997 |
AL2O3 Content | % | 95 | 99 | 99.7 |
Color |
| White | Ivory | Ivory |
Tensile Strength | Kpsi | 32 | 38 | 36 |
Flexural Strength | Kpsi | 52 | 55 | 54 |
Compressive Strength | Kpsi | 300 | 377 | 350 |
Density | g/cc | 3.70 | 3.90 | 3.92 |
Hardness | HV, GPa | 13.8 | 17.2 | 18 |
Thermal Conductivity | W/(m K) | 25 | 30 | 30 |
Coefficient of Thermal Expansion | In / In°C (x10-6) | 7.7 | 7.8 | 7.8 |
Working Temperature | °C | 1500 | 1650 | 1750 |
Dielectric Constant |
| 9.5 | 9.7 | 9.8 |
Volume Resistivity (25°C) | Ohm-cm | >1014 | >1014 | >1014 |
*The dimensions and shapes can be customized according to specific drawings.

Alumina (Al2O3) Fasteners are carefully packaged with adhesive-free surface protection tape and cardboard boxes to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.

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