Our Industrial Ceramic Rings deliver exceptional wear resistance, electrical insulation, and thermal stability up to 1,750 °C. Available in alumina, zirconia, and silicon nitride, with custom diameters from 1 mm to 500 mm and precision tolerances down to ±0.005 mm.
Industrial Ceramic Ring Material
Silicon Nitride Ceramic Ring
Silicon Carbide Ceramic Ring
Aluminium Nitride Ceramic Ring
Zirconia Ceramic Ring
Industrial Ceramic Ring Type
What Is an Industrial Ceramic Ring?
Industrial Ceramic Rings are precision-engineered components made from advanced ceramics—such as alumina (Al₂O₃), zirconia (ZrO₂), and silicon nitride (Si₃N₄)—designed for demanding applications in electronics, semiconductors, chemical processing, and mechanical seals. They combine high hardness, chemical inertness, and excellent dimensional stability under extreme conditions.
Key Features & Benefits of Our Ceramic Rings
Ultra-High Purity: 95%–99.9% Al₂O₃ ensures superior mechanical strength and corrosion resistance.
Extreme Wear Resistance: Hardness up to HRA 92–94; ideal for abrasive environments.
Thermal Stability: Operates continuously up to 1,750 °C with minimal thermal expansion.
Electrical Insulation: Volume resistance >10¹⁵ Ω·cm; prevents current leakage in high-voltage equipment.
Custom Tolerances: ±0.005 mm achievable via precision grinding and laser machining.
Ceramic Rings Specifications
| Parameter | Unit | Al₂O₃ 99.7% | Al₂O₃ 99.5% | Si₃N₄ | ZrO₂ |
|---|---|---|---|---|---|
| Density | g/cm³ | 3.92 | 3.9 | 3.2–3.25 | 5.8 |
| Bending Strength | MPa | 375 | 370 | ≥900 | ≥800 |
| Compressive Strength | MPa | 2,450 | 2,300 | 2,000 | 2,200 |
| Hardness (HRA) | — | 91 | 90 | 92–94 | 88–90 |
| Max Operating Temperature | °C | 1,750 | 1,700 | 1,300–1,600 | 1,200 |
| Thermal Conductivity | W/(m·K) | 32 | 25 | 23–25 | 2–3 |
| Dielectric Strength | kV/mm | 22 | 16 | 18–20 | — |
| Tolerance (custom) | mm | ±0.005 | ±0.005 | ±0.01 | ±0.01 |
Applications of Ceramic Rings
FAQs About Industrial Ceramic Ring
We manufacture Industrial Ceramic Rings from a range of advanced technical ceramics. The most common materials include high-purity Alumina (Aluminum Oxide, Al₂O₃), Zirconia (Zirconium Oxide, ZrO₂), and Silicon Carbide (SiC). The choice of material for your high-performance ceramic ring depends on the specific operational demands such as temperature, chemical exposure, and wear conditions.
Absolutely. We specialize in the production of Custom Industrial Ceramic Rings. You can provide us with your specific drawings, dimensions (OD, ID, length), required tolerances, and material specifications. Our team is experienced in manufacturing intricate and precision ceramic rings to meet unique customer requirements.
Industrial Ceramic Rings offer several key advantages. Compared to metals, they provide superior corrosion resistance, higher operating temperatures, and better electrical insulation. Compared to plastics, ceramic wear rings offer vastly superior hardness, wear resistance, and dimensional stability at elevated temperatures. This makes technical ceramic rings ideal for extreme environments where other materials would fail.
Choosing the correct material for your Industrial Ceramic Ring is crucial. Factors to consider include operating temperature, the chemical environment, mechanical stresses, wear type, and electrical requirements. For instance, Alumina ceramic rings are excellent for high-temperature and electrical insulation, while Zirconia ceramic rings offer exceptional toughness and wear resistance, and Silicon Carbide (SiC) ceramic rings excel in extreme hardness and thermal conductivity. We recommend consulting with our technical team to select the optimal material.
We pride ourselves on producing Precision Ceramic Rings. Depending on the material and size, we can achieve very tight dimensional tolerances, often down to ±0.005mm for critical dimensions and fine surface finishes (e.g., Ra <0.1µm) through advanced grinding and lapping processes. This precision is vital for high-performance industrial ceramic ring applications.
To provide you with an accurate quote for your Industrial Ceramic Rings, please supply us with a technical drawing or sketch, desired material (if known, or describe operating conditions), required dimensions (OD, ID, length/thickness), specific tolerances, surface finish requirements, and the quantity needed. The more detailed your information, the faster we can process your request for custom ceramic rings.
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