AC10042 Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 9 mm

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 9 mm Description

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 9 mm is fabricated from high-purity aluminium oxide using controlled sintering techniques that ensure minimal porosity and high structural integrity. The 9-mm diameter ring form offers precise dimensional tolerances suitable for integration in assemblies requiring thermal insulation and mechanical separation. Its high volume resistivity and consistent thermal conductivity support applications where dielectric properties and heat resistance are critical.

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 9 mm Applications

Electronics
- Used as a dielectric insulator in high-frequency circuit assemblies to mitigate electrical leakage by leveraging high volume resistivity.
- Applied as an insulating spacer in sensor modules to maintain signal clarity and prevent thermal cross-talk due to stable thermal conductivity.

Industrial
- Used as a mechanical washer in high-temperature furnace assemblies to prevent component contact by leveraging the product’s structural strength and thermal resistance.
- Applied as a wear-resistant component in precision machinery where consistent dimensional properties support reliable machine operation.

Alumina Ceramic Ring, Aluminium Oxide Ring, Al2O3 Ring 99%, Dia. 9 mm Packing

The product is packaged in a cushioned, anti-static container to prevent mechanical damage and contamination. It is sealed in moisture barrier bags and secured with foam inserts. Storage under temperature-controlled, dry conditions is recommended to maintain material properties. Custom packaging options, including compartmentalised trays and specific labelling, are available upon request to support sensitive handling requirements.

Frequently Asked Questions

Q1: How does the 99% purity of the alumina ring contribute to its performance in high-temperature environments?
A1: The high purity minimises the presence of impurities that could otherwise degrade under thermal stress. This ensures stability in physical properties, helping to maintain insulation performance and mechanical integrity even at elevated temperatures.

Q2: What measures are taken to ensure dimensional accuracy for the ring form?
A2: Dimensional accuracy is verified through calibrated optical measurement systems and micrometer inspections. This ensures the ring meets tight tolerance requirements essential for high-precision assembly applications.

Q3: How is the volume resistivity verified during quality control?
A3: Volume resistivity measurements are conducted using standardised high-resistance meters in controlled laboratory conditions. This process confirms that the material consistently meets the specified electrical insulation characteristics required for demanding applications.

Additional Information

Alumina ceramics, primarily composed of aluminium oxide (Al2O3), are widely studied for their electrical insulation and mechanical properties. The material’s ceramic nature provides inherent advantages in high-temperature environments due to its low thermal expansion and high compressive strength. Researchers have explored various sintering techniques to optimise grain structure and density, ultimately improving mechanical performance and dielectric stability.

The development of high-purity ceramic rings is a critical focus for industries requiring precise electrical and thermal management. As scientific studies progress, the refinement of processing protocols continues to enhance the overall quality and applicability of alumina-based components in both conventional and innovative technological applications.