Ultra-Flex Durable Transparent Polyimide Film
Flexible & Bend-Resistant Transparent Polyimide Film is a key material developed for next-generation rollable, foldable, and flexible electronic devices.
It features an exceptional bending lifetime (R 0.5 dynamic bending >200,000 cycles), outstanding optical performance, reliable electrical properties, and stable surface hardness – maintaining mechanical integrity and transparency even at a small bending radii.
From rollable displays to transparent antennas, this product delivers high flexibility and high reliability to meet a wide range of advanced application demands.
Common Challenges and Limitations
As devices continue to trend toward being thinner, more rollable, and more flexible, conventional transparent films often encounter the following issues:
- Whitening or cracking after repeated bending
- Insufficient bending lifetime, leading to performance degradation after frequent folding
- Optical surface degradation and increased yellowing
- Inability to support ultra-small bending radii (R < 1 mm)
The market therefore urgently requires a transparent high-performance film that can bend, roll, and endure over time.
Product Advantages
| Feature | Technical Description | Product Value |
|---|---|---|
| Ultra-high bending durability | Dynamic Bending >200,000 cycles（R=0.5–2mm model dependent） | Enables long-lasting folding and rolling, extending device lifespan |
| Multiple thickness options（25–55 μm） | MCF025 / MCF050 / HSC02505 / HSC05005 | Supports various rollable module designs |
| High transparency（> 90%） | Maintains brightness and color accuracy | Delivers superior display quality |
| Surface hardness options (uncoated or hard-coated) | Customizable based on application needs | Suitable for displays, antennas, sensors, and other devices |
| Stable electrical performance (Dk loss: 0.008@10GHz) | Low dielectric loss | Ideal for high-speed, high-frequency transparent antenna application |
| Good surface wettability (contact angle <80°) | Compatible with different surface treatments | Enhances lamination, coating, and anti-fouling flexibility |
Why Choose Us?
See the Product Comparison
| Performance Metric | Microcosm-Flexible & Bend-Resistant Transparent PI | Standard Transparent PI | Standard PET Film |
|---|---|---|---|
| Minimum bending radius | R 0.5 | R 1.5 | R 2 |
| Light transmittance | ＞90% | 87–88% | 85–88% |
| Electrical performance | Low dielectric loss 0.008 | Standard | Not suitable for high-frequency use |
| Durability | Excellent | Moderate | Low |
The Optimal Solution
Flexible & Bend-Resistant Transparent PI Film delivers a well-balanced combination of flexibility, optical performance, durability, and electrical properties, making it an essential core material for rollable and foldable devices.
fProduct Application Scenario
Rollable Displays
Used as a substrate material for rollable modules, maintaining both flexibility and optical transparency
Flexible OLED / MicroLED Protective Layers
Extends bending lifetime while maintaining optical quality
Transparent Antennas
Low dielectric loss properties enhance high-speed and high-frequency communication performance
