Profile: Hi-Heat Industries, Inc. designs heating elements that are either wire wound or etched foil. Our products are silicone rubber, polyester film, Kapton® polyimide, high temperature mica and enclosure heaters. We manufacture drop-in subassemblies with sensors, thermostats, fuses, cords and plugs. Our polyester heaters are used in medical equipment, restaurant equipment & warming batteries. Our Kapton® polyimide is a lightweight flexible film that maintains outstanding mechanical, chemical and electrical properties over extreme temperature ranges.