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Industrial Heaters & Heating > Etched Foil Flexible Heaters

Etched Foil Silicone Rubber Heaters
The etched element provides superior heat transfer and exceptionally uniform heat output, which results in a faster warm-up cycle and longer life. The heaters operate in ambient temperatures from -80°F to 500°F.

Advantages over wire wound silicone rubber heaters:

  • Higher watt densities
  • Distributed wattages
  • Elimination of edge loss compensation
  • Greater element area over heater sheath
  • Complex heat distribution with a rating of about 200°C (392°F)
  • Economical mass production
  • Reproduction of complex circuits




Watlow Polyimide / Etched Foil Heaters
Polyimide (kapton) is a thin, lightweight organic polymer film which provides excellent tensile strength, tear resistance and dimensional stability. This heater is ideal for applications requiring low outgassing in a vacuum, or resistance to radiation, fungus and chemicals. Polyimide is also solvent resistant.

Performance Capabilities

  • For operating environments as low as -319°F (-195°C), heater temperature as high as 392°F (200°C)
  • Watt densities up to 50 W/in2 (7.75 W/cm2)?
  • UR® and C-UR® recognitions

Kapton® and Teflon® are registered trademarks of E.I. du Pont de Nemours and Company. UR® and cUR® are registered trademarks of Underwriter’s Laboratories, Inc.







Hi-Heat Industries custom designs etched foil Kapton®/polyimide heaters
Kapton heaters have a thin, lightweight design --0.005" thick-- which allows close thermal contact for maximum heating efficiency, and permits close adaptation to the contours of the part.

These low thermal mass heaters have a quick response. Polyimide’s properties and the moisture resistant construction make these heating elements the preferable product in high humidity areas, wash down zones and in applications requiring repeated sterilizations.

Hi-Heat Industries designs these heaters with distributed wattages, eliminating edge loss compensation. Superior heat transfer and exceptionally uniform heat output result in a faster warm-up cycle and longer life.

Polyimide has more than 40 years of proven performance as the flexible material of choice in applications involving high, 200°C (392°F), and very low, -195°C (-319°F), temperatures. Kapton is a lightweight flexible film that maintains outstanding mechanical, chemical and electrical properties over extreme temperature ranges.

Kapton® is a registered trademark of DuPont™.




Etched Foil Flexible Heaters








Etched Foil Heaters




polyimide heaters

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