Description
Silicone heating film is a flexible, low-temperature heating solution designed for applications requiring safe, uniform, and reliable thermal management, especially in lithium battery systems.
Constructed using fiberglass-reinforced silicone rubber layers and an embedded resistive heating element, this heating film delivers excellent insulation, durability, and heat transfer efficiency.
It is widely used in battery PACK heating, energy storage systems, electric vehicles, and industrial equipment, ensuring stable performance even in extreme cold environments.
Key Features & Advantages
1. Excellent Thermal Performance
- Thermal conductivity: 0.6–1.0 W/m·K
- Uniform heat distribution across the surface
- Fast and stable heat transfer for battery warming
2. Wide Temperature Range
- Operating temperature: -40°C to 150°C
- Short-term resistance up to 180°C (within 2 hours)
- Ideal for cold climate battery applications
3. High Safety Standards
- Flame retardant rating: UL 94 V-0 / GB/T 2408-2008 V-0
- Excellent electrical insulation prevents leakage and short circuits
- Fire-resistant and chemically stable
4. Flexible & Durable Design
- Ultra-thin structure: minimum thickness 1.2 ± 0.2 mm
- Highly flexible for curved or irregular surfaces
- Long service life with high reliability
5. Strong Environmental Resistance
- Resistant to oil, acid, and alkali corrosion
- Suitable for harsh industrial environments
Product Structure
The silicone heating film is composed of a multi-layer laminated structure:
- Semi-cured silicone rubber layer
- Embedded resistive heating element
- Semi-cured silicone rubber layer
- Double-sided adhesive backing
This structure ensures efficient heat conduction, strong adhesion, and long-term durability.
Material Composition
Silicone Rubber Heating Layer
- Made of high-quality silicone elastomer
- Provides excellent insulation, flexibility, and thermal resistance
- Maintains stability under high and low temperatures
Heating Element
- Built-in resistive heating core
- Ensures consistent and controlled heat output
Insulation Layer
- Materials: Polyimide (PI), polyester film, etc.
- Functions:
- Electrical insulation
- Heat resistance
- Chemical protection
Protective Layer
- Surface coated with silicone or fiberglass materials
- Enhances:
- Wear resistance
- Corrosion resistance
- Mechanical durability
Typical Applications
Battery Thermal Management
- Lithium battery PACK heating
- EV battery cold-start heating
- Energy storage system (ESS) temperature control
Industrial Equipment Heating
- Low-temperature equipment heating
- Pipeline and tank heating
- Electronic device thermal control
Automotive & Mobility Systems
- Electric vehicles (EVs)
- Golf carts
- Forklifts and industrial vehicles
Installation Method
The silicone heating film is designed for easy integration:
- Applied to the side or bottom of battery packs
- Heat is transferred to battery cells through conduction
- Equipped with adhesive backing for quick installation
Why Choose Our Silicone Heating Film?
- OEM/ODM customization available
- Stable performance in extreme environments
- Long lifecycle with low maintenance
- High safety compliance for industrial use
- Optimized for battery heating and energy storage systems
FAQ – Silicone Heating Film
1. What is a silicone heating film used for?
Silicone heating film is mainly used for battery heating, industrial equipment heating, and low-temperature thermal management, especially in lithium battery systems.
2. Can it be used in cold environments?
Yes, it operates reliably at temperatures as low as -40°C, making it ideal for cold climate applications.
3. Is it safe for battery heating?
Yes. It features high insulation, flame retardancy (UL94 V-0), and stable heating, ensuring safe battery operation.
4. Can the size and power be customized?
Yes, we support custom sizes, shapes, voltage, and power configurations for different applications.
5. How is it installed?
It is typically attached directly to the battery surface using adhesive backing, enabling efficient heat conduction.
Conclusion
Silicone heating film is a reliable, flexible, and high-performance solution for low-temperature heating applications, particularly in lithium battery systems. With its excellent insulation, durability, and safety features, it ensures stable operation, improved battery efficiency, and extended service life.
For OEM customization or bulk supply, contact us today to get a tailored heating solution for your application.
Author Profile
- BatteryRing Sales Engineers bring over 20 years of experience in the global battery supply chain, positioning us as true industry experts. We provide end-to-end consulting services covering the entire battery lifecycle, including R&D, laboratory testing, product planning, material sourcing, manufacturing equipment, system design, and full production line construction. Our mission is to empower your energy business with efficient, scalable, and technically advanced solutions for accelerated growth.
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