Alumina Thermocouple Insulator Tube is designed for electrical insulation and structural support of thermocouple wires in high-temperature industrial environments. Made from high-purity 99.3% Al₂O₃ ceramic, it provides excellent dielectric insulation, thermal stability, and mechanical strength under continuous heating conditions.
Unlike protection tubes, this insulating tube is primarily used to isolate and separate thermocouple conductors, preventing electrical interference and ensuring stable signal transmission in furnace and thermal measurement systems.
Product Properties
Downloads & Resources
| Resource Type | Link |
|---|---|
| Safety Data Sheet (SDS) | 99% Alumina MSDS-Innovacera |
| Technical Data Sheet (TDS) | INNO-99% Alumina Ceramic Material Properties-SU0627 |
Product Details
Alumina Thermocouple Insulator Tube is designed for electrical insulation and structural support of thermocouple wires in high-temperature industrial environments. Made from high-purity 99.3% Al₂O₃ ceramic, it provides excellent dielectric insulation, thermal stability, and mechanical strength under continuous heating conditions.
Unlike protection tubes, this insulating tube is primarily used to isolate and separate thermocouple conductors, preventing electrical interference and ensuring stable signal transmission in furnace and thermal measurement systems.
The tube is available in single, double, or multi-bore configurations to meet different thermocouple wiring and installation requirements.
Key Features
- 99.3% high-purity alumina ceramic material
- Designed for electrical insulation (not a direct protection tube)
- Single/double / multi-bore structure options
- Excellent dielectric strength and thermal stability
- High temperature resistance for furnace applications
- Stable mechanical performance under long-term use
Applications
- Thermocouple insulation systems
- Industrial furnace wiring insulation
- High-temperature measurement systems
- Thermal processing equipment
- Laboratory heating and testing systems
- Electrical isolation in harsh environments
Custom Service
Custom lengths, bore configurations (single/double / multi-channel), diameters, and structural designs are available according to customer requirements.
Frequently Asked Questions
It is used to electrically insulate thermocouple wires and prevent signal interference in high-temperature furnace and industrial heating systems.
An insulator tube is mainly used for electrical isolation of thermocouple wires, while a protection tube is designed to shield sensors from direct heat, corrosion, and mechanical damage.
High-purity alumina provides excellent dielectric strength, thermal stability, and resistance to high temperatures, making it ideal for insulation applications.
Yes. Different bore configurations can be used within the same system depending on wiring layout and insulation requirements.
They are widely used in industrial furnaces, thermal processing systems, laboratory equipment, and temperature measurement systems.
No. Their function is to isolate and separate thermocouple wires, not to transmit electrical signals.
Yes. 99.3% alumina ceramic can maintain stable insulation performance under continuous high-temperature conditions.
Yes. Custom designs including single, double, or multi-bore structures and different lengths can be produced based on requirements.
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