1.Product Name
Alumina  Tube，Al2O3

2. Uses and Applications
High-Temperature Protection: Acts as a reliable shield for thermocouples, ensuring accurate temperature measurement in extreme conditions.

• Industrial Use: Widely employed in kilns, furnaces, and reactors to support stable operations under high heat.

• Precision Monitoring: Ideal for laboratory and industrial applications where accurate thermal readings are critical.

• Energy Systems: Plays a vital role in power plants and energy facilities by maintaining precise thermal control.

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3. Product Specifications
Composition: ≥99% Al₂O₃
Tolerance Standard: To be provided
Maximum Operating Temperature：1650℃
Volume Resistivity @ 700°C：＞2x10¹⁴ ohms-cm
C.T.E (25℃–600℃): 7.6 × 10^-6/℃
Volume Resistivity @ RT：2x10⁸ ohms-cm

Dielectric Breakdown Strength: 260 V/mil

Available Dimensions:
Inner Diameter (ID): 1–30 mm (customizable)

Outer Diameter (OD): 2–160 mm (customizable)

Length: Typically up to 1800 mm, can be customized as per requirements

4. Product Advantages of The Alumina Thermocouple Tube

• High Temperature Resistance: Capable of withstanding temperatures up to 1650°C without deformation or melting.

• Corrosion Resistance: Inert to most chemical reactions, suitable for harsh chemical environments.

• Durability: Long service life due to wear resistance and structural integrity.

• Thermal Shock Resistance: Designed to endure rapid temperature changes without cracking.

• Electrical Insulation: Excellent insulation properties at high temperatures.

• Customization: Sizes and shapes can be tailored to meet specific requirements.

5. Certifications and Standards
ISO 9001

6. Frequently Asked Questions (FAQ) about Alumina Ceramic Thermocouple Tubes

Q2: How do Alumina Thermocouple tubes compare with silicon carbide or zirconia alternatives?
• Alumina Tubes: Excellent thermal stability and electrical insulation
• Silicon Carbide Tubes: Better for extreme thermal shock resistance
• Boron Nitride Tubes: Superior performance in vacuum or inert gas environments

Q3: Can Ceramic Thermocouple tubes be used in corrosive environments?
A3: Yes, they provide excellent resistance to corrosion and chemical attacks.

Q4: What is the delivery time for customized orders?
A4: Typically 2–4 weeks, depending on quantity and customization requirements.

Q5: Are Ceramic Thermocouple tubes customizable in size?
A5: Yes, we offer customization for length, diameter, and thickness.