Flame Retardant PPS Insulation Film for Inverters & Automotive Electronics

Flame Retardant PPS Insulation Film is a high-performance polyphenylene sulfide film engineered for electrical insulation in demanding automotive and industrial environments. Designed to provide excellent flame resistance, high dielectric strength, long-term thermal stability, and outstanding chemical resistance, the film is widely used in EV inverters, automotive electronics, electric motors, transformers, battery systems, and power modules. Manufactured from premium PPS resin, it supports precision die cutting, laminating, and custom converting while maintaining reliable insulation performance under continuous high-temperature operation.

Flame Retardant PPS Insulation Film Manufacturer & Supplier

Flame Retardant PPS Insulation Film is manufactured using high-performance polyphenylene sulfide resin and advanced extrusion technology to deliver reliable insulation performance in harsh electrical and automotive environments.

Compared with conventional insulation films, PPS offers outstanding heat resistance, excellent dimensional stability, and superior flame-retardant properties. It maintains mechanical strength and dielectric performance under prolonged thermal exposure, making it ideal for electric vehicles, renewable energy systems, and industrial power electronics.

As an experienced PPS insulation film manufacturer, we provide customized thicknesses, roll widths, die-cut parts, laminated structures, and OEM services to meet the requirements of global customers.

Key Features

• Premium PPS material
• Flame-retardant formulation
• Excellent electrical insulation
• Continuous operating temperature up to 220°C
• Outstanding dimensional stability
• High dielectric strength
• Superior chemical resistance
• Low moisture absorption
• Excellent thermal aging resistance
• High mechanical strength
• Easy die cutting and laminating
• Long service life
• OEM customization available

Product Benefits

Flame Retardant PPS Insulation Film combines high-temperature resistance with reliable flame-retardant performance, helping improve the safety and durability of electrical systems. Its low moisture absorption and excellent chemical resistance make it suitable for demanding environments such as EV powertrains and industrial automation.

The film also offers excellent processing performance, enabling precision slitting, punching, die cutting, and lamination for efficient manufacturing.

Typical Applications

Flame Retardant PPS Insulation Film is widely used in:

• EV inverters
• On-board chargers (OBC)
• DC/DC converters
• Automotive electronics
• Battery management systems (BMS)
• Electric motors
• Motor slot insulation
• Transformers
• Power modules
• IGBT modules
• SiC power electronics
• Charging stations
• Industrial automation
• Renewable energy equipment

Technical Specifications

Manufacturing Process

Our Flame Retardant PPS Insulation Film is produced using premium PPS resin and precision extrusion technology. Advanced manufacturing processes ensure consistent thickness, smooth surface quality, and stable electrical insulation performance.

Every production batch undergoes rigorous quality inspections, including thickness tolerance, dielectric strength, tensile strength, thermal aging, flame-retardant performance, and dimensional stability before shipment.

Custom Manufacturing Services

We offer comprehensive OEM and converting services, including:

• Custom thickness
• Roll width
• Roll length
• Precision slitting
• Sheet cutting
• Die cutting
• Adhesive lamination
• Multi-layer composite materials
• OEM packaging
• Private labeling

Why Choose Our Flame Retardant PPS Film?

• Premium PPS raw materials
• Excellent flame-retardant performance
• Reliable high-temperature insulation
• Stable dimensional accuracy
• Advanced production equipment
• Strict quality inspection
• OEM & ODM manufacturing
• Competitive factory pricing
• Fast production lead times
• Worldwide export experience

Frequently Asked Questions

What is Flame Retardant PPS Insulation Film?

It is a high-performance polyphenylene sulfide insulation film designed for high-temperature electrical insulation and flame-retardant applications.

Why choose PPS over PET?

PPS provides significantly higher heat resistance, better chemical stability, and improved long-term performance than standard PET films, making it suitable for demanding automotive and industrial applications.

Is the film suitable for EV inverters?

Yes. PPS insulation film is commonly used in inverter systems, power modules, and other high-temperature electrical components, depending on the specific design requirements.

Can you provide custom sizes?

Yes. We manufacture customized thicknesses, widths, roll lengths, and die-cut insulation components based on customer drawings or specifications.

Which industries use PPS insulation film?

The film is widely used in electric vehicles, automotive electronics, renewable energy systems, industrial automation, power electronics, aerospace, and electrical equipment.