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Alumina Thermocouple Tube

Alumina Thermocouple Tube

1.Product Name
Alumina Thermocouple Tube


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.

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 x 10-6/C
Volume Resistivity @RT：2x108 ohms-cm

Dielectric Breakdown Strength: 260 V/mil   

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

Outer Diameter (OD): 2-15 mm (customizable).

Length: Typically up to 1000 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 Thermocoupl tubes

Q1: What is the maximum temperature of Ceramic Thermocoupl tubes can withstand?
A1：The maximum operating temperature of thermocouple tubes depends on their material. For example:

• Silicon Carbide Thermocouple Tubes: Up to 1300°C (in air)

• Alumina Thermocouple Tubes: Up to 1650°C (in air)

• Boron Nitride Thermocouple Tubes: Up to 2100°C (in inert atmosphere)

Q2：How do Alumina Thermocoupl tubes compare with silicon carbide or zirconia alternatives?
A2：Alumina Tubes: Offer excellent thermal stability and electrical insulation.

• Silicon Carbide Tubes: Better suited for environments requiring extreme thermal shock resistance.

• Boron Nitride Tubes: Provide superior high-temperature performance under vacuum or inert gas conditions compared to alumina.

Q3: Can Ceramic Thermocoupl tubes be used in corrosive environments?

A3： Yes,  Ceramic Thermocoupl tubes provide excellent resistance to corrosion and chemical attacks.

Q4： What is the delivery time for customized orders?
A4： Delivery times to Ceramic Thermocouple Tube vary based on order quantity and customization requirements but typically range from 2-4 weeks.

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

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