Hefei Guofeng Advanced Basic Materials Technology Co., Ltd.
| Payment Terms | L/C,T/T |
| Supply Ability | Negotiation |
| Delivery Time | Negotiation |
| Packaging Details | Standard Packing |
| Flexibility | can be bent and folded without breaking |
| Transparency | 80-90% |
| Chemical Resistance | resistant to most chemicals and solvents |
| Elongation | up to 150% |
| Flame Retardant | UL 94 V-0 |
| Brand Name | Guofeng |
| Model Number | 7.5um |
| Certification | UL ISO ROHS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | Negotiation |
| Delivery Time | Negotiation | Packaging Details | Standard Packing |
| Flexibility | can be bent and folded without breaking | Transparency | 80-90% |
| Chemical Resistance | resistant to most chemicals and solvents | Elongation | up to 150% |
| Flame Retardant | UL 94 V-0 | Brand Name | Guofeng |
| Model Number | 7.5um | Certification | UL ISO ROHS |
| Place of Origin | China | ||
| High Light | Clear polyimide sheets ，Optoelectronics polyimide sheets ，thermally conductive kapton Film | ||
Our optically clear ultra-high-temperature polyimide film represents a material breakthrough for advanced optoelectronic applications demanding both exceptional optical clarity and extreme thermal resilience. Engineered with a proprietary molecular design and nano-hybrid structure, this film delivers unmatched transparency stability under high-temperature conditions where conventional transparent polymers fail. It enables innovative solutions in flexible displays, high-temperature optical systems, and next-generation photonics requiring long-term reliability under thermal stress.
Exceptional Optical-Thermal Stability
Maintains >90% transmittance (400-700 nm) after 500 hours at 300°C
Yellowing index <2.0 after 1000 hours at 200°C (80% improvement over standard transparent polyimide)
Haze value <1.0% even after thermal aging
Unprecedented High-Temperature Performance
Continuous operating temperature up to 450°C with minimal property degradation
Glass transition temperature (Tg) exceeding 350°C
Coefficient of thermal expansion <15 ppm/°C (20-200°C range)
Enhanced Mechanical Durability
40% higher fold endurance compared to conventional transparent polyimide films
Tensile strength >200 MPa with elongation at break >80%
Rockwell hardness >100M scale for scratch resistance
Advanced Surface Functionality
Tunable surface energy (40-70 dynes/cm) for optimized coating adhesion
Excellent compatibility with ITO, silver nanowire, and other transparent conductive coatings
Low outgassing characteristics for vacuum environment applications
Flexible Displays & Electronics
Cover window material for foldable OLED displays
Substrate for flexible touch sensors and transparent circuits
Protective overlay for flexible solar cells
High-Temperature Optoelectronics
Optical filters and windows for high-temperature sensors
Light guide plates for high-brightness LED systems
Optical membranes for aerospace and defense systems
Semiconductor & Precision Optics
Mask aligner membranes for semiconductor lithography
Optical elements in high-temperature imaging systems
Protective coatings for precision optical components
Automotive & Aerospace
Head-up display components for automotive applications
Optical sensors for aircraft engine monitoring systems
Lightweight optical components for satellite systems
Advanced Lighting & Energy
High-temperature diffusers for specialty lighting
Transparent substrates for concentrated photovoltaic systems
Optical components for high-power laser systems
This advanced transparent polyimide film eliminates the traditional compromise between optical clarity and high-temperature performance. Its unique combination of properties enables optoelectronic designers to push the boundaries of what's possible in high-temperature optical applications while maintaining excellent mechanical flexibility and long-term reliability. The material's stability under extreme conditions makes it particularly valuable for applications where conventional transparent polymers would rapidly degrade or lose optical performance.
To ensure the longevity and performance of our Polyimide film, please adhere to the following guidelines:
· Store in a cool, dry place away from direct sunlight will be necessary.
· Avoid exposure to high humidity or extreme temperature fluctuations.
Company Details
Business Type:
Manufacturer
Year Established:
2021
Total Annual:
28000-50000
Employee Number:
300~400
Ecer Certification：
Verified Supplier
HeFei GuoFeng Advanced Basic Materials Technology Co Anhui Guofeng New Materials Co., Ltd., a state-owned listed new materials enterprise under Hefei Municipal Government, has been deeply committed to five major industries since its establishment: polymer functional film materials, optoelec... HeFei GuoFeng Advanced Basic Materials Technology Co Anhui Guofeng New Materials Co., Ltd., a state-owned listed new materials enterprise under Hefei Municipal Government, has been deeply committed to five major industries since its establishment: polymer functional film materials, optoelec...
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