Product Name
Large Alumina Ring （Ceramic electrode sheath ）

Uses and Applications
• Petrochemical and Environmental Protection Equipment
• Lining or supporting components in high-temperature furnaces and kilns.
• large ceramic electrode sheath

Product Specifications
Composition: 99% Al2O3
Dimensions: 3.5 Th x 13.5 H x 50 OTD (cm)
Tolerance requirement：In accordance with ISO 2768-M
Weight: 25.7 kg

Acid Service Life ：
The acid service life of this product can vary significantly depending on specific environmental conditions, including acid concentration, temperature, and exposure time. For detailed insights, please refer to the study by Ćurković et al. (2023), which investigates the corrosion kinetics of alumina ceramics in nitric acid under varying conditions:

Ćurković, L., Ropuš, I., Gabelica, I., & Rončević, S. (2023). Kinetics investigation of alumina ceramics corrosion in nitric acid. Advances in Applied Ceramics, 122(3–4), 129–136. https://doi.org/10.1080/17436753.2023.2230675

Product Advantages
• Large-sized ceramic components,
• high temperature resistance,
• chemical corrosion resistance,
• long service life,
• environmentally friendly materials.
• High Insulation Property

Certifications and Standards
ISO 9001

Frequently Asked Questions (FAQ) about Alumina Ceramic Rings
Q1. Can other sizes of alumina rings (standard or smaller sizes) be customized besides the large sizes?
A1. Yes, we can provide alumina ceramic rings with a minimum inner diameter of 1mm. We can manufacture them according to your drawings. For more sizes of alumina rings, please contact us.

Aluminum Oxide Ceramics Supply Company
WEIERT Ceramics has been engaged in the production and processing of precision technical ceramics since 2016. We are committed to reducing costs for our customers through process optimization and technological innovation in ceramic materials, delivering maximum value to them wherever possible.

We have extensive experience in milling, grinding, polishing, and CNC machining of alumina (Al2O3) ceramics. The alumina materials we offer also include nano-alumina products, single-crystal alumina ceramics, recrystallized alumina ceramics, and porous alumina ceramics. We can：

1. Manufacture ceramic components with simpler or more complex structures according to your drawing requirements;
2. Implement process improvements to minimize or avoid mold opening whenever possible, reducing costs for our customers;
3. Provide the smallest tolerances and best precision;
4. Offer samples within as fast as 3 days (depending on certain prerequisites);
5. Ensure on-time delivery.