95%/99% Alumina Ceramic Thermocouple Insulator for Type K Sensors

Product Description

CERAMPRO 95%/99% alumina ceramic thermocouple insulators are designed for Type K temperature sensor assemblies. They are used to separate and protect thermocouple wires, while providing stable electrical insulation and mechanical support in high-temperature working environments.

Made from alumina ceramic, these insulators are suitable for furnaces, kilns, heat treatment equipment and industrial temperature monitoring systems. Single-bore, twin-bore, four-bore and custom multi-bore designs are available according to wire diameter, sensor structure and assembly requirements.

Material System

• This product is mainly available in 95% alumina and 99% alumina. Both materials are commonly used for high-temperature insulation parts where electrical insulation, thermal stability and dimensional reliability are required.
• 95% Alumina Ceramic: suitable for standard industrial thermocouple insulation, with good strength, insulation performance and cost efficiency.
• 99% Alumina Ceramic: recommended for applications requiring higher purity, better insulation stability and improved resistance in demanding environments.
• Material Selection: the suitable alumina grade can be selected according to working temperature, insulation requirement, sensor structure and service environment.

Application Scenarios

Alumina ceramic thermocouple insulators are widely used in temperature measurement and heating control systems, especially where thermocouple wires need reliable separation and protection.

• Type K thermocouple sensor assemblies
• Industrial furnaces and kilns
• Heat treatment equipment
• Laboratory ovens and muffle furnaces
• Plastic injection molding equipment
• Battery aging and thermal test equipment
• Electronic engineering and burn-in test systems
• Electronic ceramic components requiring high-temperature insulation

Core Advantages

• Stable electrical insulation: helps keep thermocouple wires separated during temperature measurement.
• High-temperature resistance: suitable for furnaces, kilns and other heating equipment.
• Multiple bore designs: available in single-hole, twin-hole, four-hole and custom multi-hole structures.
• Smooth bore structure: helps thermocouple wires pass through more easily during assembly.
• Custom dimensions: outer diameter, inner bore size, length and end shape can be adjusted through ceramic machining.
• Quality inspection: key dimensions, appearance and basic quality items can be checked through inspection and testing

Key Selling Points

• 95% and 99% alumina ceramic material options
• Designed for Type K thermocouple sensor insulation
• Single-bore, twin-bore, four-bore and multi-bore structures available
• Custom outer diameter, inner bore size, length and end finishing
• Suitable for furnace, kiln, heat treatment and industrial temperature monitoring applications
• Manufactured by CERAMPRO based on drawings, samples or project requirements

Technical Parameters

FAQ

1. What is an alumina ceramic thermocouple insulator used for?

It is used to separate and protect thermocouple wires inside temperature sensor assemblies, especially in furnace, kiln and other high-temperature applications.

2. Is this product suitable for Type K thermocouples?

Yes. It is commonly used for Type K thermocouple sensor assemblies and can be made according to the required wire diameter and structure.

3. What is the difference between 95% and 99% alumina?

95% alumina is suitable for many standard industrial applications. 99% alumina is usually selected when higher purity, better insulation stability or a more demanding working environment is required.

4. Can you make twin-bore or multi-bore ceramic tubes?

Yes. CERAMPRO can supply single-bore, twin-bore, four-bore and custom multi-bore ceramic insulators.

5. Can the size be customized?

Yes. Outer diameter, inner bore size, length and end finishing can be customized according to drawings, samples or assembly requirements.

6. Why use alumina ceramic for thermocouple insulation?

Alumina ceramic offers electrical insulation, heat resistance and good mechanical strength, making it suitable for protecting thermocouple wires in high-temperature equipment.

7. Can the inner bore be made smooth for wire assembly?

Yes. The inner bore and end finish can be adjusted according to the assembly requirement to help thermocouple wires pass through more easily.

8. What industries use this product?

It is used in industrial furnaces, kilns, heat treatment equipment, laboratory ovens, injection molding equipment, battery testing systems and industrial temperature monitoring equipment.

9. Can CERAMPRO manufacture this part according to drawings?

Yes. CERAMPRO supports custom ceramic insulator production based on drawings, samples or technical specifications.

10. What information is needed for a quotation?

Please provide material grade, outer diameter, inner bore size, number of holes, length, quantity, working temperature and drawings if available. You can send details through our contact page.

👉 Get Free Quote in 24 Hours