Machining Ceramic Pipe Ceramic Insulator Tube Alumina Tube Suppliers

Premium Alumina Ceramic Solutions for Industrial Excellence

As a trusted supplier of precision-engineered ceramic components, we specialize in manufacturing high-performance alumina ceramic rods, industrial alumina rods, and high-purity alumina ceramic rods tailored for demanding applications. Our products, including ceramic pipes, insulator tubes, and custom alumina tubes, are engineered to exceed industry standards in durability, thermal stability, and electrical insulation.

Technical Specifications: Precision-Driven Performance

Our alumina ceramic rods and components are crafted using advanced sintering technology, ensuring unmatched quality:

Material Composition:

1) Al₂O₃ Content: 99.5% (Standard) / 99.9% (High-Purity)

2) Density: ≥3.9 g/cm³

3) Flexural Strength: 380-450 MPa

4) Thermal Conductivity: 30 W/m·K

5) Dielectric Strength: 15-20 kV/mm

6) Dimensions & Tolerance:

7) Diameter: 2mm–150mm (Customizable)

8) Length: Up to 1000mm (±0.1mm Precision)

9) Surface Finish: Ra ≤0.2μm (Optional Polishing)

Extreme Environment Resilience:

1） Operating Temperature: -200°C to 1650°C

2） Corrosion Resistance: Resists acids, alkalis, and molten metals

3） Electrical Insulation: Volume Resistivity >10¹⁴ Ω·cm

4)   Industry Applications: Solving Complex Challenges

Our industrial alumina rods and ceramic tubes deliver reliability across sectors:

1. Semiconductor Manufacturing

Use Case: High-purity alumina ceramic rods serve as wafer-handling arms in CVD chambers.

Advantage: Zero particle contamination, thermal shock resistance at 1500°C.

2. Chemical Processing

Use Case: Alumina tubes as thermocouple sheaths in aggressive acid environments.

Advantage: 99.9% corrosion resistance, extending equipment lifespan by 3x.

3. Medical Laser Systems

Use Case: Ceramic insulator tubes for CO₂ laser cutting devices.

Advantage: Dielectric stability at 20kV, ensuring patient safety.

4. Energy & Power Transmission

Use Case: High-voltage alumina rods in substation insulators.

Advantage: Withstand 100kV arcs in humid conditions (IEC 60243 Certified).

Request a Free Sample or Technical Consultation Today

Whether you require ceramic rods for aerospace sensor probes or alumina tubes for furnace insulation, our engineers collaborate closely to optimize your application. Contact us to discuss material specifications, bulk pricing, or rapid prototyping services.

Main Features:

1. High hardness

2. High heat resistance

3. Good wear resistance

4. High electrical resistivity

5. High corrosion resistance

Technical Parameters

Production process

1. Grind and crush the raw materials to be slurry or powder

2. se-different method to making the slurry or powder into semi-finished products

3. Put the semi-finished products into the kiln for dewaxing and sintering;

4. After forming and sintering, Ceramic Sleeves products can also be processed by subsequent CNC precision machining according to the drawing requirements. Then Q/C test.

5. Finally package Ceramic Sleeves by bubble paper or cartons and place it on tray for delivery

Certifications

Our customers

Packaging and shipping

Transport

FAQ：

Q: Do you have the products in stock? 

A: Some standard produce have in stock, such as ceramic band heater insulator; bobbin heater insulator and ceramic connector. But it needs to check according to your requirement.

Q: How do you pack the goods?

A: Our standard packaging is carton, we can customize it as per your requirement as well.

Q: How many days do you finish the sample?

A: Usually 15 business days (Including 8days for making furnaces and 7days for producing samples)