Alumina (aluminum oxide, Al₂O₃) Disc
An alumina disc is a circular-shaped component made from alumina (aluminum oxide, Al₂O₃), a ceramic material known for its excellent mechanical, thermal, and electrical properties. Alumina discs are widely used in various industrial and technical applications due to their durability, hardness, and resistance to wear, corrosion, and high temperatures.
Key Features:
- High Hardness: Alumina is extremely hard, making it resistant to abrasion and wear.
- Thermal Stability: It can withstand high temperatures (up to 1600°C or more) without degrading.
- Electrical Insulation: Alumina is an excellent electrical insulator, even at high temperatures.
- Chemical Resistance: It is resistant to most chemicals and corrosive environments.
Alumina Disc Applications
Alumina discs, made from aluminum oxide (Al2O3), are widely used across various industries due to their excellent properties, including high hardness, wear resistance, thermal stability, electrical insulation, and chemical inertness. Here are some common applications of alumina discs:
- Electronics and Electrical Industry:Alumina discs are widely used as electrical insulators and substrates due to their excellent dielectric properties, thermal conductivity, and electrical insulation. They are essential in high-temperature and high-voltage environments.
- Industrial Wear Resistance:Alumina discs are highly valued for their hardness and wear resistance, making them ideal for use in machinery and equipment subjected to abrasive conditions
- Thermal Applications:Alumina discs can withstand extreme temperatures, making them suitable for thermal insulation and heat management applications.
- Chemical and Laboratory :Alumina discs are chemically inert and resistant to corrosion, making them ideal for use in harsh chemical environments and laboratory settings.
- Medical and Biomedical:Alumina discs are biocompatible and wear-resistant, making them suitable for medical implants and precision tools.
Payment & Order Questions
Most Popular Questions
We offer alumina discs in various purity grades, including 96%, 99%, and 99.5% alumina. The choice of grade depends on your specific application requirements, such as thermal performance, mechanical strength, or chemical resistance.
Yes, we provide fully customizable alumina discs tailored to your exact specifications, including diameter, thickness, and surface finish. Contact our team with your requirements for a tailored solution.
Absolutely. Alumina discs can withstand extreme temperatures up to 1600°C, making them ideal for high-temperature environments such as furnaces, kilns, and thermal processing equipment.
We offer a range of surface finishes, including as-fired, polished, and lapped finishes. The choice depends on your application’s requirements for smoothness, flatness, or dimensional precision.
The right alumina disc depends on factors such as operating temperature, mechanical stress, chemical exposure, and electrical requirements. Our technical team can help you select the best material and specifications for your needs.
Lead times vary depending on the complexity and quantity of your order. Standard orders typically ship within 2-4 weeks, while custom orders may take longer. Contact us for an accurate timeline.
Yes, our team of experts is available to provide technical support, including material selection, design recommendations, and troubleshooting for your specific application.
Our alumina discs are manufactured to meet industry standards such as ISO 9001 and RoHS compliance. We also provide material test reports (MTRs) and certifications upon request.
