Strong-Adhesion Opaque Black FPC Coverlay – High-Temp Stable & High-Grade Insulation for Flexible Circuits
| Place of Origin | ANHUI, CHINA |
| Certification | UL ISO ROHS |
| Material | Polyimide |
| Color | Yellow |
| Treatment | Single-side / Both Sides |
| Width | 514MM 520MM 1028MM 1040MM |
| Thickness | 12.5μm 18μm 20μm 25μm |
| Packing Style | Standard Packing |
| Roll Length | Customized |
| Packaging Details | Wooden pallet |
| Supply Ability | 2000 ton/year |
The GL Series of high-performance polyimide films are biaxially oriented, natural (yellow) films independently developed and manufactured by our company. Available in three variants with distinct thicknesses and performance profiles, they are primarily employed as adhesive substrates, for chip encapsulation, and in related application areas.
Product Features
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Outstanding mechanical robustness demonstrated across comprehensive stress tests
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Ultra-low coefficient of thermal expansion (CTE) for consistent dimensional stability under severe temperature variations
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Excellent surface adhesion properties ensuring dependable bonding with a wide range of substrate materials
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Compliant with RoHS and REACH regulations and certified to UL safety standards
The GL Series High-Performance Polyimide Film is a critical material in several advanced applications, including high-precision adhesive-based FCCL substrates, highly stable coverlay films, semiconductor chip encapsulation, and specialized adhesive tape substrates.
Why Choose Our Factory?
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Direct Factory Pricing: By eliminating middlemen, we provide competitive costs, flexible minimum order quantities, and faster delivery schedules.
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Expert Technical Support: We offer tailored anti-fog testing protocols based on your needs and professional assistance to improve packaging performance indicators.
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Customizable Specifications: Available in custom thicknesses, widths, and surface finishes (matte, glossy, metallic), our polyimide film ensures consistent quality, short lead times, and attractive pricing for volume orders.

- Store in a cool, dry environment protected from direct sunlight
- Avoid contact with high-humidity conditions or drastic temperature fluctuations
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.