Independent R&D
Molecular-level structure control, shorter delivery cycles, and cost control through direct manufacturing.
Technology / R&D
From molecular structure to material performance
With fluorine-free transparent PI as the flagship, see how Huaketek brings together polyimide R&D, process capability, and delivery.
NF-CPI / CPI-HK-NF1 Flagship technology · NF-CPI
Fluorine-free transparent PI, opening new possibilities for transparent applications
CPI-HK-NF1 combines optical transparency, mechanical performance, high-temperature resistance, and a fluorine-free profile for transparent display substrates, cover windows, and sustainable materials.
＞91%
T550nm transmittance
CPI-HK-NF1 product specification
＞3.5GPa
Elastic modulus
CPI-HK-NF1 product specification
260-270℃
Tg
CPI-HK-NF1 product specification
Key indicators
Turning material advantages into verifiable indicators
93%+
Film light transmittance at 30 μm
Film light transmittance stays above 93%.
360℃
Peak film Tg
A reference point for high-temperature material performance.
UL 94 V-0
Flame retardancy
Flame-retardancy grade achieved across the product line.
Product advantages
R&D, process, and delivery as one capability
Customization
Customized material systems and performance targets based on the application context.
Quality stability
Stable synthesis, an experienced R&D and production team, and advanced film post-processing.
Environmental responsibility
Green solvents help reduce risks across material processing and application.
Process expertise
Advanced coating equipment and a specialized team translate formulations into consistent manufacturing.
Performance
Film transmittance at 30 μm remains above 93%, while peak film Tg reaches 360℃.
Patents & R&D
Turning material questions into engineered solutions
The company holds 300+ granted patents. The verified polyimide and film examples below cover film formulations, composite membranes, and preparation processes.
300+
Patent technologies
Granted patents disclosed in company materials.
Polyimide film and its preparation method
ZL 2022 1 0411316.4 Granted invention patent / CN 114736372 BPolyimide composite membrane, preparation method and application
CN 121623605 A Published invention applicationTernary copolymer polyimide, polyimide film, preparation method and application
CN 121949783 A Published invention applicationBrand idea