Custom Die Cut PI Insulation Pad

Custom Die Cut PI Insulation Pads manufactured from premium polyimide film offer excellent electrical insulation, high-temperature resistance, and dimensional stability. OEM sizes and die-cut shapes available.

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Custom Die Cut PI Insulation Pad

Custom Die Cut PI Insulation Pad is precision manufactured from premium polyimide (PI) film to provide outstanding electrical insulation, excellent thermal stability, and superior mechanical strength. Designed for demanding electronic and industrial applications, these insulation pads maintain reliable performance under continuous operating temperatures up to 260°C. Available in custom shapes, sizes, and thicknesses, they are widely used in lithium batteries, semiconductor equipment, transformers, motors, PCB assemblies, aerospace, and electrical insulation systems.


Custom Die Cut PI Insulation Pad Manufacturer & Supplier

Custom Die Cut PI Insulation Pads are fabricated using high-quality polyimide film and precision die-cutting technology to produce insulation components with excellent dimensional accuracy and consistent quality.

Polyimide is one of the most reliable high-temperature insulation materials available, offering outstanding dielectric strength, thermal resistance, and chemical stability. Compared with conventional plastic insulation materials, PI insulation pads maintain their electrical and mechanical properties under extreme operating conditions, making them ideal for demanding industrial and electronic applications.

As a professional manufacturer, we provide OEM die-cut parts according to customer drawings, CAD files, or samples, ensuring precise dimensions and excellent production consistency.


Key Features

  • Premium polyimide material
  • Precision die-cut manufacturing
  • Excellent electrical insulation
  • Continuous operating temperature up to 260°C
  • Short-term temperature resistance up to 400°C
  • High dielectric strength
  • Excellent dimensional stability
  • Superior mechanical strength
  • Outstanding chemical resistance
  • Flame resistant
  • Low outgassing
  • Lightweight
  • Long service life

Product Benefits

Custom Die Cut PI Insulation Pads provide reliable insulation performance in high-temperature and high-voltage environments. Their excellent dielectric properties help protect sensitive electronic components while maintaining dimensional stability during repeated thermal cycling.

The precision die-cut process ensures consistent fit and easy assembly, reducing installation time and improving production efficiency. The material’s resistance to chemicals, oils, and moisture further extends product service life in demanding industrial environments.


Typical Applications

Custom Die Cut PI Insulation Pads are widely used in:

  • Lithium battery packs
  • Electric vehicle batteries
  • PCB assemblies
  • Flexible printed circuits (FPC)
  • Semiconductor equipment
  • Transformers
  • Electric motors
  • High-voltage insulation
  • Power electronics
  • Aerospace electronics
  • Medical equipment
  • LED lighting systems
  • Industrial automation
  • Renewable energy systems

Technical Specifications

Property Specification
Material Polyimide (PI)
Manufacturing Process Precision Die Cutting
Color Amber / Black (Optional)
Thickness 0.025–1.0 mm
Shape Custom
Continuous Temperature Up to 260°C
Short-Term Temperature Up to 400°C
Dielectric Strength Excellent
Flame Resistance Excellent
Chemical Resistance Excellent

Manufacturing Process

Our Custom Die Cut PI Insulation Pads are produced using precision die-cutting or CNC processing equipment. Premium polyimide film is accurately converted into custom insulation components according to engineering drawings or customer samples.

Each production batch undergoes comprehensive inspections for dimensional accuracy, thickness tolerance, dielectric strength, tensile performance, and visual appearance before shipment.


Custom Manufacturing Services

We offer flexible OEM solutions including:

  • Custom shapes
  • Custom dimensions
  • Thickness selection
  • Precision die cutting
  • CNC machining
  • Kiss cutting
  • Adhesive-backed insulation pads
  • Custom packaging
  • Private labeling

Our engineering team can recommend the most suitable material and processing method based on your application requirements.


Why Choose Our PI Insulation Pads?

  • Premium polyimide raw materials
  • High-precision die-cutting equipment
  • Stable electrical performance
  • Excellent thermal resistance
  • Strict quality control
  • OEM & ODM manufacturing
  • Competitive factory pricing
  • Fast production lead time
  • Worldwide export experience

Frequently Asked Questions

What is a PI insulation pad?

A PI insulation pad is a precision-cut insulation component made from polyimide film. It provides excellent electrical insulation and thermal stability for electronic and industrial applications.

What temperature can the insulation pad withstand?

The pad can typically operate continuously at temperatures up to 260°C, with short-term resistance up to 400°C, depending on the application.

Can you manufacture custom shapes?

Yes. We manufacture custom die-cut insulation pads according to customer drawings, CAD files, or physical samples.

Are adhesive-backed versions available?

Yes. We can supply adhesive-backed PI insulation pads using high-temperature pressure-sensitive adhesives for easy installation.

Which industries use PI insulation pads?

They are widely used in lithium batteries, semiconductors, PCB manufacturing, aerospace, electrical equipment, medical devices, automotive electronics, and renewable energy.

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