99% Al₂O₃ Alumina Ceramic Tube - High-Performance Refractory For Demanding Industrial Applications

1.Product Overview

The 99% Al₂O₃ Alumina Ceramic Tube is manufactured through advanced ceramic processing techniques. Its high alumina content endows it with outstanding properties, making it a preferred choice for industries that require reliable performance under extreme conditions.

 

2.Features

Exceptional High - Temperature Resistance：Can withstand continuous high temperatures up to 1700℃, making it suitable for applications in furnaces, kilns, and high - temperature reactors.

Excellent Chemical Stability：Highly resistant to a wide range of chemicals, including acids, alkalis, and molten metals, ensuring long - term durability in corrosive environments.

High Mechanical Strength：Has high compressive and flexural strength, enabling it to endure mechanical stress and impact during operation.

Low Thermal Conductivity：Effectively reduces heat transfer, providing good thermal insulation performance and helping to save energy.

Precise Dimensional Accuracy：Manufactured with strict quality control, ensuring precise dimensions for easy installation and compatibility with other components.

 

3.Technical Parameters

| Parameter | Specification |

|--------------------------|---------------------|

| Alumina Content (Al₂O₃) | 99% |

| Max Continuous Service Temperature | 1700℃ |

| Density | 3.95 - 4.0 g/cm³ |

| Thermal Conductivity (at 800℃) | 20 - 25 W/(m·K) |

| Compressive Strength | ≥2000 MPa |

| Flexural Strength | ≥300 MPa |

| Linear Expansion Coefficient (20 - 1000℃) | 7 - 8×10⁻⁶/℃ |

| Inner Diameter | 5 - 200 mm |

| Outer Diameter | 10 - 220 mm |

| Length | 100 - 1000 mm |

 

4.Application Scenarios

Metallurgical Industry：Used as protective tubes in high - temperature furnaces for measuring temperature, and as linings for molten metal handling equipment.

Ceramic and Glass Industry：Applied in kilns and furnaces for supporting and protecting ceramic and glass products during the firing process.

Chemical Industry：Serves as reaction tubes, heat - exchange tubes, and protective sleeves in high - temperature and corrosive chemical reactions.

Electrical and Electronics Industry：Used in high - temperature furnaces for sintering electronic components, and as insulation tubes for high - voltage electrical equipment.

 

5.Service and Support

Customization：We can customize the inner diameter, outer diameter, length, and other parameters according to your specific requirements.

Samples：Free samples are available for quality testing and evaluation.

Technical Guidance：Our professional technical team can provide comprehensive technical support, including product selection, installation guidance, and after - sales service.

Quality Assurance：All products undergo strict quality inspection to ensure compliance with international standards.

Logistics：We cooperate with reliable logistics partners to ensure timely and safe delivery of products.

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