PTC Heating Film for Automotive Applications: EV Battery & Interior Heating Solutions

PTC heating film is a cutting – edge heating device made from thin, flexible materials. Just like a chameleon adapting to its environment, it can be easily shaped and molded to fit various automotive surfaces and contours. Whether it’s the complex curves of the car’s interior components, the unique shape of the battery pack, or the specific design of the rear – view mirror housing, our PTC heating film can conform perfectly.

What is PTC Heating Film for Automotive Applications?

PTC (Positive Temperature Coefficient) heating film is an advanced self-regulating heating technology widely used in modern automotive applications. Unlike traditional heating elements, PTC heating films automatically adjust their resistance and heat output based on temperature, ensuring consistent and energy-efficient heating.

In the automotive sector, PTC heating films are ideal for improving safety, comfort, and energy efficiency in electric vehicles (EVs), commercial trucks, and passenger cars. Whether it’s battery thermal management, mirror defogging, or steering wheel heating, PTC films offer reliable and durable solutions.

To understand the core technology behind our products, check out our Ultimate Guide to Custom PTC Heating Film

PTC Heating Film for Home Underfloor Heating

The Types of PTC Heating Film Heaters for Automotive Applications We Offer

At XHC, we design, manufacture, and wholesale a wide range of custom thin film heaters tailored to your needs. Whether you need standard models or fully customized heaters, we provide full support for global OEM/ODM clients.

Our PTC heating film for battery insulation, with printed silver and carbon paste, rapidly warms batteries. It self-controls temperature safely for stable performance, automatically reduces power.

Equipped with printed silver and carbon paste, our PTC heating film for rear-view mirrors efficiently eliminates fog. It offers safe temperature self-regulation, always keeping your view unobstructed.

Our PTC heating film for steering wheel heating, made with printed silver and carbon paste, heats up in seconds. It saves energy with smart temperature control and uses eco-friendly materials, making every drive warm.

Technical Specifications

ParameterSpecification
Voltage Range1.5V – 400V
Power Density0.03W/cm² – 1.5W/cm²
Heater Thickness0.15mm – 0.3mm
Temperature Range-30°C to 180°C
Material OptionsPI, PET,Kapton
Available SizesCustom from 10mm x 10mm to 300mm x 1400mm
CertificationCE, RoHS, ISO9001

Key Features of Our Automotive PTC Heating Films

XHC PTC (Positive Temperature Coefficient) heating films are engineered to deliver safe, efficient, and intelligent heating solutions across a wide range of applications. Utilizing advanced self-regulating technology, these films automatically adjust power output as the temperature rises, ensuring energy savings and eliminating the risk of overheating. Key features include:

  • Self-Regulating Heat Output: Automatically maintains optimal temperature without the need for external control systems.
  • Energy Efficient: Reduces power consumption as the film reaches its designed temperature, offering long-term energy savings.
  • Safe & Reliable: Built-in overheating protection and uniform heat distribution make it ideal for sensitive environments.
  • Flexible & Easy to Integrate: Thin, lightweight design allows for seamless integration into flat or curved surfaces.
  • Long Lifespan & Maintenance-Free: Stable resistance performance and no mechanical wear ensure durability over time.
  • Customizable Specifications: Available in various voltages, power ratings, dimensions, and insulation materials to meet diverse OEM requirements.

Applications of PTC Heating Film Heaters In Automotive

electric vehicle battery insulation

Our PTC heating film, designed for electric vehicle battery insulation, features printed silver and carbon paste for efficient performance. It heats up rapidly, quickly raising battery temperature to optimal levels in cold conditions, ensuring consistent power output and extending range.​

With smart self-temperature regulation, it avoids overheating, enhancing battery safety and longevity. The energy-efficient design minimizes power consumption, reducing overall energy usage. Crafted with eco-friendly materials, it aligns with sustainable mobility goals.​

This film integrates seamlessly with battery packs, providing uniform heat distribution to maintain stable operating temperatures, making it a reliable, green solution for electric vehicle battery thermal management.

PTC heating film for EV battery thermal management to improve cold weather charging efficiency.
Customized PTC heating film for luxury car seat heating showing flexible structure and uniform heat distribution.

Advanced PTC Heating Film for Car Seat Heating

Enhance passenger comfort with our ultra-thin and flexible PTC seat heating solutions. Unlike traditional wire-based seat heaters, XHC’s PTC heating film provides uniform warmth across the entire surface, eliminating uncomfortable hot spots and ensuring a premium cabin experience.

Why Choose PTC Technology for Seat Warming?

  • Intelligent Self-Regulation: The PTC material automatically adjusts its power output as the seat reaches the desired temperature, preventing overheating and saving vehicle battery energy.

  • Rapid & Uniform Heating: The thin-film design allows for high surface area coverage, providing near-instant warmth that feels natural and gentle.

  • Ultra-Thin & Flexible Profile: With a thickness of only 0.15mm to 0.3mm, our heating films integrate seamlessly into leather or fabric seat covers without altering the seat’s ergonomics or aesthetics.

  • Durability & Safety: Built with high-quality PET or PI insulation, these heaters are resistant to pressure, moisture, and mechanical wear, ensuring a maintenance-free lifespan that lasts as long as the vehicle.

Steering Wheel Heating

  • Core Feature 1: The PTC heating film, crafted with printed silver and carbon paste, heats the steering wheel in seconds, ensuring instant warmth even on freezing days.
  • Core Feature 2: Smart temperature control optimizes energy use, avoiding overheating while maintaining consistent comfort.
  • Eco Advantage: Made with eco-friendly materials, it aligns with green driving trends, enhancing user experience sustainably.
  • Practical Scene: Ideal for winter commutes, it keeps hands cozy, letting drivers focus on the road with ease.
Flexible PTC heating element for car steering wheel warming with smart temperature control.

Customization Options

We offer fully customized PTC heating film solutions based on your technical requirements:

Voltage & Power Range

Designed to match 12V, 24V, or custom DC requirements

Size & Shape

Die-cut and flexible layout support

Surface Materials

PET, PI, or composite insulation options

Operating Temp

Tuned to your required max/min temperature range

Certifications:

IATF 16949, RoHS, UL-compliant options for OEM integration

Request a Quotation for Your Automotive Heating Project

Whether you’re designing for EVs, commercial fleets, or passenger vehicles, we provide reliable and scalable heating solutions tailored to your needs. Contact us today to discuss your automotive heating requirements.

✔️ Fast response within 24 hours
✔️ OEM/ODM support
✔️ Global export capability

Ready to upgrade your EV thermal management system? Contact our engineers for a custom prototype today.

OEM heating film supplier and manufacturer