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Polyimide heater/ PI heater is made of polyimide film as outer insulator, metal foil and metal wire as inner conductive heating element, and is heat-sealed at high temperature and high pressure. It has excellent insulation strength, excellent electrical strength, excellent thermal conductivity efficiency, and excellent resistance stability. This makes it widely applicable to the heating field and can achieve a fairly high temperature control accuracy. PI heater can be used for battery module heating, medical device heating, beauty equipment, etc. PI Heater can be divided into Etched Foil Heater, Polyimide Film Heater, Polyimide Flexible Heater, Battery Polyimide Heater Film, battery PI heating sheet film,Constantan Heater, etc.
Etching Copper heater, the most cost-effective choice. The heating element will be etched and pre-laminated material and used extensively worldwide in flexible circuits. However, a heater designed with copper requires a lot of surface area because of its low resistivity of 0.017 Ω·um, thus it is typically used for very low resistive designs.
Operating environment temperature: -40℃-130℃, with the short-term temperature up to 200℃.
Application: telecommunications, medical device, automotive device, battery module, wearable device.
Polyimide heater has the characteristics of flexible, lightweight and thin, easy to bend or fold, which can be well fitted to flat or curved objects.
Application area：
Scientific analytical instruments, providing a constant temperature source for thermal conductivity (or insulation coefficient) testers, medical instruments, etc., to stabilize the operating temperature of optoelectronic components.
In cryogenic environments, enabling equipment and instruments to reach safe operating temperatures. For example, instruments and facilities on artificial satellites, spacecraft, and aircraft.
Automotive, like oil pans, defrosting elements for rearview mirrors and snow/ice removal, antennas or radars
The medical health, such analyzers, infusion pumps, ventilators
A Polyimide Flexible Heater is a lightweight, thin, and durable heating element made from polyimide film. It offers excellent thermal stability, uniform heat distribution, and flexibility, making it ideal for applications in aerospace, medical devices, and electronics where precise temperature control is essential.
Applied to the field of new energy electric vehicles, the use of energy saving, easy to install, no pollution, so that the battery can be heated normally in low temperature environment, to ensure the normal operation of electric vehicles, to extend the service life and can start working quickly at low temperatures
Constantan is a variation of Cupro-Nickel with different percent of copper and nickel.
Constantan is also typically used in flex circuit applications such as strain gauges and thermocouples.
The high resistivity makes this foil ideal for applications that require a high resistance packed into in a small area.
Constantan also has a very low TCR.
Automotive electronics (defogger, power, etc.), new energy battery modules, medical devices (analyzers, infusion, ventilators, etc.), aerospace products, and communication equipment.
Compared to traditional heating methods, heaters can more effectively utilize energy, be more efficient, energy-saving, and safe, because they can achieve precise control of heating temperature, provide uniform heat distribution, achieve rapid heating.
According to the material, they can be divided into PET heaters, PI heaters, silicone heaters, aluminum heaters, epoxy heaters, PTC heaters, graphene heaters, and carbon fiber heaters. Bolion mainly produces PI heaters and silicone rubber heaters.
(1) Automotive industry: Heaters are used in low-temperature protection of new energy vehicle battery packs, automotive paint booths, dispensing robots and other equipment to keep the equipment working normally in cold weather.
(2) Medical equipment: In medical equipment such as blood analyzers, respiratory therapy devices and other equipment that require constant temperature, heaters are used to keep the equipment working within a suitable temperature range.
(3) Aerospace: Applied to satellite communications, wing heating, etc., it can melt snow and ice to ensure the normal operation of the equipment without increasing the load on the equipment.
Consider oxidation, service life, investment and maintenance costs.
Choose the appropriate installation method, regular maintenance, high-quality materials, and do a good job of pre-oxidation.
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