Alumina Ceramic Cylinder 21×21 mm | High Purity Al₂O₃ Technical Ceramic
The alumina ceramic cylinder (21×21 mm) is a high-purity aluminum oxide ceramic component designed for applications requiring excellent wear resistance, high compressive strength, and thermal stability. It is widely used in chemical processing, mining, and industrial equipment as a spacer, support, or wear-resistant element.
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Product Introduction
Key Specifications
- Material: Alumina Ceramic (Al₂O₃)
- Dimensions: Ø21 mm × 21 mm
- Purity: ≥ 95% Al₂O₃ (custom grades available)
- Color: White
- Density: ≥ 3.6 g/cm³
- Hardness: ≥ 85 HRA
- Max. Working Temperature: up to 1600 °C
- Water Absorption: < 0.2%
Key Features
- Excellent wear and abrasion resistance
- High mechanical strength and compressive resistance
- Outstanding thermal stability at elevated temperatures
- Chemical corrosion resistance (acids & alkalis)
- Long service life with minimal maintenance
Typical Applications
- Catalyst bed supports in chemical reactors
- Wear-resistant spacers and positioning parts
- Insulation and support components in high-temperature equipment
- Mining, cement, and material handling systems
- Custom industrial ceramic components
Customization
Custom sizes, alumina content, and surface finish are available upon request.
OEM & ODM services supported.
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