Description

Etched Foil Kapton Film Heating Pads Key Attribute

Item:Kapton Film Heater
Type:Electric Heater
Power Source:Electric
Place of Origin:Guangdong, China
Brand Name:HengXin or Customized
Dimension(L*W*H):customized
Voltage:1.5-220V
Warranty:50K hours under regular working condition
Working Temperature Range:-30-180 ºC
Material:Kapton film+etched metal foil
Thickness:0.15-0.3mm
Back adhesive:3M or customized
Power deviation:±5%
Supply Ability:100000 pcs per month
Packaging Details:PE inner bag+Carton
Certification:ISO9001,RoHS,REACH
Applicable Industries:Aerospace and Aviation,Medical Devices,Laboratory Equipment,Electronics and etc.

Etched Foil Kapton Film Heating Pads: Precision Heating for High-Tech Applications

Introduction

In industries where precision and reliability are non-negotiable, Etched Foil Kapton Film Heating Pads stand out as an ideal solution for uniform and controlled heating. These heaters, known for their ultra-thin profiles and exceptional thermal performance, are widely used in aerospace, medical, electronics, and automotive applications. With their ability to function in extreme environments while delivering efficient heating, Kapton heaters have become a go-to choice for engineers and designers.

In this article, we’ll explore everything you need to know about etched foil Kapton film heaters, including how they work, their benefits, key applications, customization options, and why they are preferred over traditional heating solutions.

What is a Kapton Film Heating Pad?

A Kapton film heating pad is a flexible heater made from polyimide film (Kapton®), a high-performance polymer known for its excellent dielectric properties, high tensile strength, and thermal stability. The heating element within the pad is made using etched foil technology, where a thin metal foil (usually copper or nickel alloy) is chemically etched to form a circuit pattern.

These heaters are incredibly thin — often less than 0.3 mm — yet they provide consistent and efficient surface heating. Because of their unique construction, etched foil heaters can heat up quickly and distribute heat evenly across complex surfaces.

How Etched Foil Heaters Work

Etched foil heaters operate based on the principle of resistive heating. When voltage is applied to the etched metal circuit inside the heater, electrical resistance generates heat. The polyimide film provides insulation and protects the circuit while withstanding high temperatures.

The etched foil pattern can be customized based on the required watt density and surface area, allowing for precise thermal management. The flexibility of the Kapton film also enables the heater to conform to curved or uneven surfaces.

Key Benefits of Etched Foil Kapton Heating Pads

1. High Thermal Efficiency

The etched foil design ensures a faster thermal response and more accurate temperature control compared to wire-wound heaters. This leads to energy savings and better performance.

2. Lightweight and Ultra-Thin

Kapton heaters are extremely thin and lightweight, making them ideal for space-constrained applications such as satellites, drones, and handheld medical devices.

3. Wide Operating Temperature Range

Kapton film can operate from -269°C to +260°C, making these heaters suitable for cryogenics and high-temperature environments.

4. Flexible and Conformable

These heaters can wrap around cylindrical surfaces, fit into tight spaces, and flex without damage. Their flexibility does not compromise performance.

5. Chemical and Moisture Resistant

Polyimide film resists moisture, chemicals, radiation, and UV light, making these heaters suitable for use in harsh environments.

6. Customizable Designs

Etched foil heating elements can be engineered for specific voltages, wattages, sizes, and shapes. You can also include thermal fuses, sensors, or thermostats for enhanced safety and control.

Common Applications of Kapton Film Heaters

Aerospace

Used in satellites, avionics, and instruments to prevent condensation and ensure systems remain within safe operating temperatures in space or at high altitudes.

Medical Equipment

Kapton heaters are used in surgical instruments, diagnostic devices, and patient warming systems due to their biocompatibility and sterilizability.

3D Printing

They serve as bed heaters in 3D printers, ensuring even temperature distribution across the print bed for improved print quality.

Battery Warming

Used in electric vehicles, drones, and industrial battery systems to optimize battery performance in cold weather.

Semiconductor and Electronics

Provide controlled heating for wafer processing, sensors, and test equipment.

Laboratory and Scientific Instruments

Maintain stable temperatures in spectrometers, analyzers, and microscopes.

Customization Options for Etched Foil Kapton Heaters

At HENGXIN TECHNOLOGY, we offer full customization to meet specific application needs. Customization options include:

• Voltage: 3.7V to 240V

• Wattage: Designed for your specific heat requirements

• Size and Shape: Customized to fit your device or enclosure

• Mounting: Adhesive backing, mechanical fastening, or custom enclosures

• Sensors: Integration with thermistors, RTDs, or thermal fuses

• Certifications: Available with UL499, EN 60335-1, RoHS, and REACH compliance

Our design team works closely with customers from concept to prototype to final production, ensuring the heater meets your exact performance and safety standards.

Why Choose Etched Foil Over Wire-Wound Heaters?

Compared to wire-wound flexible heaters, etched foil heaters offer:

• Better heat distribution

• Finer control over watt density

• Thinner profile and faster heat-up times

• Higher reliability and longer lifespan

• Improved thermal uniformity over complex geometries

These advantages make etched foil Kapton heaters the preferred choice in demanding and high-reliability applications.

Compliance and Safety Standards

Etched foil Kapton heaters from HENGXIN TECHNOLOGY comply with:

• EN 60335-1: Safety of household and similar electrical appliances

• UL499: Standard for electric heating appliances

• ISO 9001 certified manufacturing

• RoHS and REACH directives for environmental safety

We ensure all products undergo rigorous testing, including dielectric strength, insulation resistance, and thermal cycling tests to meet both customer and regulatory standards.

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Why Choose HENGXIN TECHNOLOGY?

With over a decade of experience in flexible heating solutions, HENGXIN TECHNOLOGY is a trusted manufacturer of custom etched foil heaters for global clients across aerospace, medical, and industrial sectors. Our commitment to quality, engineering support, and rapid prototyping helps our customers bring innovative products to market faster.

We offer:

• Competitive pricing

• Low MOQ for prototypes

• Fast turnaround and delivery

• Engineering and design consultation

• Global shipping and support

Etched Foil Kapton Film Heating Pads represent the pinnacle of precision, durability, and versatility in the world of flexible heaters. Whether you need reliable thermal management in space, on the operating table, or in a consumer device, these heaters provide unmatched performance.

If you’re looking for custom-designed Kapton film heaters, contact HENGXIN TECHNOLOGY today. Let us help you design a heating solution that fits your unique needs with precision and confidence.

Item	Kapton Heater
Voltage Range	1.5v~400v
Power Density Range	0.03w/cm2~1.5w/cm2
Heater Size	3mm~500mm
Insulation Material	Kapton Film
Heating Material	Etched metal foil
Thickness	0.15mm~0.3mm
Temperature range	-30℃–180℃
Cable conductor	Silicone insulated leads

 

 

 

 

Kapton Heating Pads Configuration

 

Flexible Kapton heater in different shapes

 

 

 

 Application

 

 

About Us

HX Technology is ISO 9001 certified manufacturer for Kapton Heaters in China.Our main products are Kapton Heater,PET Heater,Polyimide Heater,Tefflon Heater ,Graphene Heater and Epoxy Resin Heater. With years’ development,we now cover a production area of 3,000 square meter in Shenzhen and all our products are in accordance with RoHS and CE regulations.We will be your best supplier for Film Heaters in China!

 

 

 

Customers Feedback for our products

 

Certificates of  the Kapton Heater

 

At HENGXIN TECHNOLOGY, we offer custom Kapton heating pads to meet your specific needs — whether you require custom shapes, sizes, voltage ratings, integrated temperature sensors (RTDs, thermistors), or feedback control. Our expert team will work closely with you to design the optimal solution — balancing performance, efficiency, and cost-effectiveness.