GL General-Type Polyimide Yellow Film – Biaxially Stretched Standard PI Film For Flexible Insulation

Product Overview

Our GL General-Type Polyimide Yellow Film is a biaxially stretched, naturally amber-colored polyimide film designed for high-temperature insulation, adhesive tapes, and flexible circuit coverlays. Available in two optimized thicknesses (25μm & 50μm), it balances mechanical strength, thermal stability, and electrical properties—making it a versatile choice for electronics, aerospace, and industrial applications.

Key Features

✔ Biaxial Orientation – Uniform MD/TD strength (3:1 stretch ratio)
✔ Thermal Class H (180°C continuous)– Withstands soldering and reflow
✔ Natural Yellow Hue (No dyes) – UV-resistant, no color migration
✔ High Dielectric Strength– Reliable insulation for thin layers
✔ Adhesion-Ready Surface – Corona-treated (50-52 dynes/cm)

Applications

• FPC Coverlays – Flexible circuit insulation

• High-Temp Tapes – Masking, splicing, and EMI shielding

• Motor/Transformer Insulation – Anode current collectors

• Heater Elements – Backing for flexible heaters

• Printed Electronics – Substrate for conductive inks

Technical Specifications

Why Choose Our Film?

• Proven Reliability – IPC-4203/1 compliant for rigid-flex PCBs

• Process Flexibility – Compatible with laser cutting, die punching, and adhesive lamination

• Cost-Effective – Standard-grade performance without specialty additives

• Traceable Supply – Full resin batch documentation

Product pictures

Handling & Storage Instructions

To ensure the longevity and performance of our BOPP film, please adhere to the following guidelines:

• Shelf Life: 6 months from the date of manufacture.
• Storage Conditions:Store in a cool, dry place away from direct sunlight and moisture.
• Temperature Range: 10°C - 30°C.
• Humidity: Keep below 60% relative humidity.
• Handling: Avoid folding or creasing the film to prevent damage.

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Standard Formats: