Ceramic Center Rod
Zirconia center rod is made of high-performance ceramic, featuring excellent high-temperature resistance, wear resistance, corrosion resistance, and high strength. Widely used in fluid transport, temperature protection, insulation support, and chemical equipment. We offer zirconia, alumina, silicon carbide, and silicon nitride in various sizes, with precision machining and custom structures to meet diverse needs.
Applicable to: high temperature gas/liquid pipelines, protective sleeves, precision equipment pipe fittings, corrosion-resistant pipelines, etc.
- High temperature resistance & high strength – Suitable for high temperature conditions above 1000°C, long-term stable operation.
- Excellent corrosion resistance & insulation performance – Suitable for high acid and alkali, chemical fluid pipelines and electrical insulation applications.
- High-precision processing – Up to ±0.002mm, surface roughness Ra0.05 (specific accuracy depends on shape & material, see technical specifications below for details).
- A variety of shapes available – including open tubes, closed tubes, porous tubes, blind hole tubes, step tubes, rings, rollers, etc., and can be customized as required.
Technical Specifications
| Parameter | Typical Range (may vary for different shapes/materials) |
| Length Range | ≤1000mm |
| Outer Diameter | ≤150mm |
| Drilling-Minimum Hole Diameter | ≥φ0.4mm |
| Outer Diameter Precision | 1-25mm: ±0.002mm 20-50mm: ±0.003mm 50-100mm: ±0.050mm 100-150mm: ±0.100mm |
| Length/Thickness Precision | ±0.005mm |
| Surface Roughness | Ra0.03 |
Please refer to our Processing Capability Table for the full range of processing capability.
Applicable Industries
- Semiconductor & Electronics: Insulation protection tube, high temperature heating tube.
- Medical equipment: Bioceramic tube, corrosion-resistant temperature measuring sleeve.
- Chemical & Energy: Acid and alkali resistant fluid pipeline, catalytic reaction tube.
- Precision manufacturing: High hardness sleeve, wear-resistant annular tube.
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