PEN High Temp Packaging Film for Lithium Battery
High Temperature PEN Packaging Film offers excellent thermal stability, mechanical strength, electrical insulation, and dimensional stability for lithium batteries, EV battery packs, energy storage systems, and electronic packaging.
High Temperature PEN Packaging Film for Lithium Batteries
High Temperature PEN Packaging Film for Lithium Batteries is a high-performance polyethylene naphthalate (PEN) film designed for demanding battery packaging and electrical insulation applications. It provides superior thermal stability, excellent dimensional stability, high mechanical strength, and reliable dielectric performance compared with conventional PET films. Widely used in lithium battery cells, battery modules, EV battery packs, energy storage systems, and advanced electronics, the film supports precision die cutting, laminating, and custom converting to meet the needs of modern battery manufacturing.
High Temperature PEN Packaging Film Manufacturer & Supplier
High Temperature PEN Packaging Film is manufactured from premium polyethylene naphthalate (PEN) resin using advanced biaxial orientation technology. Compared with traditional PET films, PEN film offers higher heat resistance, improved dimensional stability, and enhanced mechanical properties, making it well suited for lithium battery manufacturing and other demanding industrial applications.
Its combination of excellent electrical insulation, low thermal shrinkage, and outstanding durability helps improve battery safety and production efficiency. The film is also compatible with precision converting processes such as slitting, die cutting, laminating, and sheet cutting.
As a professional PEN film manufacturer, we provide customized specifications and OEM production services for customers worldwide.
Key Features
- Premium PEN (Polyethylene Naphthalate) material
- Excellent heat resistance
- Outstanding dimensional stability
- High tensile strength
- Excellent electrical insulation
- Low thermal shrinkage
- Superior chemical resistance
- Low moisture absorption
- Smooth surface finish
- Excellent fatigue resistance
- Easy die cutting and laminating
- Long service life
- OEM customization available
Product Benefits
High Temperature PEN Packaging Film provides reliable insulation and structural stability in lithium battery manufacturing environments where elevated temperatures and mechanical stress are common. Compared with PET film, PEN maintains its physical properties more effectively during thermal processing, reducing deformation and improving assembly accuracy.
The material also resists moisture and common industrial chemicals, helping protect battery components and extend product service life.
Typical Applications
High Temperature PEN Packaging Film is widely used in:
- Lithium battery cell packaging
- EV battery modules
- Battery pack insulation
- Energy storage systems (ESS)
- Battery separators (support applications)
- Battery labels and wraps
- Consumer electronics
- Automotive electronics
- Flexible printed circuits
- Industrial electrical insulation
- Precision die-cut battery components
- Renewable energy equipment
Technical Specifications
| Property | Specification |
|---|---|
| Material | Polyethylene Naphthalate (PEN) |
| Color | Transparent / Blue (Custom Available) |
| Thickness | 12–250 μm |
| Width | Custom Available |
| Roll Length | Custom |
| Heat Resistance | Excellent |
| Dimensional Stability | Excellent |
| Electrical Insulation | Excellent |
| Moisture Absorption | Low |
| Surface Finish | Smooth |
Manufacturing Process
Our High Temperature PEN Packaging Film is produced using premium PEN resin and precision biaxial orientation technology. Strict manufacturing control ensures consistent thickness, excellent surface quality, and stable insulation performance.
Every production batch undergoes comprehensive quality testing, including thickness tolerance, tensile strength, thermal shrinkage, dielectric strength, and visual inspection before shipment.
Custom Manufacturing Services
We provide complete OEM converting services, including:
- Custom thickness
- Roll width
- Roll length
- Precision slitting
- Sheet cutting
- Die cutting
- Adhesive lamination
- Surface treatment
- OEM packaging
- Private labeling
Why Choose Our PEN Packaging Film?
- Premium PEN raw materials
- Excellent thermal stability
- Reliable electrical insulation
- Low thermal shrinkage
- Outstanding mechanical strength
- Strict quality control
- OEM & ODM manufacturing
- Competitive factory pricing
- Fast production lead time
- Worldwide export experience
Frequently Asked Questions
What is High Temperature PEN Packaging Film?
It is a polyethylene naphthalate film designed for high-temperature battery packaging and electrical insulation applications where excellent thermal and mechanical performance is required.
Why choose PEN over PET?
PEN offers higher heat resistance, better dimensional stability, and improved mechanical properties than standard PET, making it suitable for more demanding battery and electronics applications.
Can the film be customized?
Yes. We offer customized thicknesses, widths, roll lengths, surface treatments, and die-cut components according to customer requirements.
Is the film suitable for EV battery manufacturing?
Yes. PEN film is commonly used in battery insulation, protective layers, and packaging-related applications for electric vehicles and energy storage systems, depending on the specific product design.
Which industries use PEN film?
It is widely used in lithium batteries, EV battery packs, energy storage systems, automotive electronics, industrial electronics, and renewable energy equipment.
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