What are Mica Tubes?
Published time:
2025-08-02 08:58
Source:
What are Mica Tubes?
Mica tubes are specialized cylindrical insulation components made primarily from mica-based materials, designed to provide exceptional electrical insulation and thermal protection in high-temperature or high-voltage environments.
Structure & Composition
Core Material:
Mica Paper/Mica Splittings: Thin sheets of natural (muscovite/phlogopite) or synthetic mica bonded into a seamless tube.
Reinforcement: Fiberglass, silica fabric, or polyester film laminated to enhance mechanical strength.
Binder: Heat-resistant resins (e.g., silicone, epoxy) to hold layers together.
Design:
Rigid or semi-flexible tubes with precise inner/outer diameters.
Customizable wall thickness (typically 0.5–3 mm).
Primary Applications
High-Temperature Sensors:
Insulating thermocouples, RTDs, and heating elements in furnaces/ovens.
Electrical Bushings:
Protecting busbars, terminals, and conductors in transformers, motors, and switchgear.
Industrial Heating Systems:
Sleeves for cartridge heaters, boilers, and industrial heaters.
Aerospace & EVs:
Insulating battery components, inverters, and propulsion systems.
Yuefeng mica tubes
High-Temperature Mica Tubes for Insulation
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