Polyimide, also known as the DuPont trade name Kapton. Polyimide is a thin, semitransparent material with excellent dielectric strength. It is also resistant to most chemical acids and basis. Temperature range as low as -271°C (liquid helium) and as high as 220°C.

Heater benefits
- High and low temperature range
- Excellent dielectric strength
- Good chemical resistance

Typical applications
- Military/aerospace, where low outgassing properties are required.
- Medical diagnostic instruments, where autoclave cleaning or sterelization is needed.
- Photographic equipment
- LCD displays
- Laboratory research

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