The polyimide film heater is a highly reliable and flexible heating solution, and its thin and robust construction makes it ideal for use in a variety of scenarios where precision heating is required. Its ultra-thin design, efficient heating, high temperature and chemical resistance make it widely used in aerospace, medical, electronics, automotive and other applications. By being customized to meet customer needs, polyimide heaters are able to provide optimal heating solutions for a wide range of application scenarios.
The Polyimide Film Heater—also known as a flexible polyimide heater or PI film heater—is a high-performance heating solution designed for applications that demand precise temperature control, fast thermal response, and flexibility in tight spaces. Built from advanced polyimide (PI) material and etched metal circuits, it delivers consistent, efficient heat while maintaining exceptional durability in extreme environments.
The polyimide flexible heater features a multi-layer construction that offers a unique combination of strength, flexibility, and thermal efficiency:
Polyimide Film Outer Layer
Acts as an insulating and protective surface with excellent thermal stability. It performs reliably across extreme temperatures from -269°C to 260°C.
Etched Metal Resistance Circuit
Embedded nichrome circuits are precision-etched to ensure uniform heat distribution across the surface, minimizing hotspots and improving efficiency.
Optional Adhesive Layer
For easy installation, a self-adhesive backing can be added, allowing the heater to conform tightly to complex surfaces.
Ultra-Thin, Lightweight Design
With a total thickness between 0.1mm and 0.3mm, this heater is ideal for compact systems, tight equipment enclosures, and flexible electronics heating needs.
Durable and Safe
With excellent electrical insulation (withstand voltage over 5000V), chemical resistance, and mechanical strength, it ensures long-term safety and reliability.
High temperature resistant heater (stable up to 260°C)
Uniform and efficient heating with etched foil design
Fast heat-up time for responsive applications
Flexible polyimide material adapts to curved or irregular surfaces
Corrosion-resistant against solvents and industrial chemicals
Excellent electrical insulation for safe operation
Lightweight & space-saving, ideal for embedded systems
Suitable for Flexible electronics heating and portable devices
| Dielectric strength | UDC 500V ≥ 200MΩ |
| Electrical resistance | UAC ≥ 2000 V |
| Operating temperature | Long-term use ≤ 232 ℃ |
| Weight | ≤ 278 g/m² |
| Heat flow density (without heat sink and temperature control) | ≤ 1.1W/cm² |
| Heat flow density (with heat sink and temperature control) | ≤ 6.5W/cm² |
| Thickness | ≤ 0.20 mm |
| Power | Variable according to the specific application, need to provide electrical parameters such as voltage, resistance, etc. |
| Outside lead position | According to specific design |
| Direction of outer lead | According to specific design |
| Outer lead length | According to specific design |
| Thermal conductivity | Excellent |
| Resistance stability | Excellent |
The Polyimide film heater is used across industries where high reliability, minimal footprint, and efficient thermal control are critical:
Aerospace Systems
Used in satellites, avionics, and spacecraft to maintain equipment temperature in vacuum and low-temperature environments.
Medical Devices
Integrated into diagnostic equipment and patient care systems for precise, low-inertia heating in space-limited enclosures.
Automotive Sector
As a high temperature resistant heater, it’s ideal for EV battery warming, mirror defrosting, and seat heating applications.
Electronics & Sensors
Maintains consistent operating temperatures for sensitive electronic components, displays, and MEMS devices.
Industrial & Lab Equipment
Used for pipeline heating, fluid container warming, or thermal control in automated machinery and instruments.
Communication Devices
Stabilizes temperatures in antennas and receivers, enhancing performance under changing weather conditions.
As a custom polyimide heater, it can be tailored for specific projects or OEM applications:
Shape & Size: Round, square, or complex shapes
Voltage & Power Density: Customizable to suit energy and thermal requirements
Temperature Sensors: Integrated thermocouples or RTDs available
Adhesive Options: Optional self-adhesive backing
Wiring Configuration: Lead length and connector types as per system design
Every polyimide heating element is anti-static packaged, with protective foam to prevent mechanical damage during shipping. Prior to dispatch, all units are quality tested to ensure consistent performance and reliability.
If you're looking for a flexible, efficient, and compact heating solution, our polyimide film heater is ideal for:
Medical & aerospace equipment
Electronics & sensor systems
Custom industrial heating elements
Prototypes and flexible electronics heating applications
Whether you need a standard size or a custom polyimide heater solution, we provide expert engineering support to meet your exact requirements.
What is a polyimide film heater?
A polyimide film heater is an ultra-thin flexible heater that utilizes polyimide as the external insulating material with an embedded etched metal resistance circuit. It has high heat resistance and electrical insulation properties, and is widely used for precise temperature control and space-constrained scenarios.
What is the operating temperature range of polyimide film heaters?
Polyimide film heaters typically have an operating temperature range of -269°C to 260°C and are capable of maintaining stable performance in extreme low and high temperature environments.
What are the key benefits of polyimide film heaters?
Key benefits include ultra-thin design, fast temperature rise, excellent electrical insulation, high flexibility, high temperature and chemical resistance, and the ability to provide uniform and precise heating.
Where can polyimide film heaters be used?
It is widely used in aerospace, medical equipment, electronic equipment, automotive industry, industrial equipment and communication equipment, etc. It is suitable for applications requiring precise temperature control and complex installation conditions.
What is the power density of polyimide film heaters?
Polyimide film heaters typically have a power density of up to 1.5W/cm², which can be customized to the application to ensure efficiency and safety.
What is the thickness of polyimide film heaters?
Typically 0.1mm to 0.3mm thick, their ultra-thin design allows them to be easily mounted on narrow or irregular surfaces without affecting the overall structure or function of the equipment.
How do I install a polyimide film heater?
Many polyimide film heaters come with a self-adhesive backing that allows them to be attached directly to the surface to be heated. Users may also choose to install them in other ways, such as by soldering the terminals or using screws to secure them.
What is the voltage range of polyimide film heaters?
Polyimide film heaters are available in a wide range of voltages, including 3.7V, 5V, 12V, 24V, 110V, and 220V, allowing the user to select the appropriate voltage range for their specific needs.
Do polyimide film heaters support customization?
Yes, polyimide film heaters support customized shapes, sizes, voltages, power densities and other parameters to meet the requirements of different equipment and application scenarios.
What is the typical service life of polyimide film heaters?
Polyimide film heaters have a long service life and can typically be used for many years under normal operating conditions, depending on the operating environment and operating temperature.
Previous: Floor Heating Film
Next: Spiral heating element
Contact
No. 1, 1st Road, Mawu Industrial Zone, Qiaoli, Changping Town, Dongguan City, Guangdong Province
Email:
Phone:
+86 136-2001-9955
+86-0769-83488762-8016
