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.

Product photo of fluorine-free transparent polyimide film CPI-HK-NF1 NF-CPI / CPI-HK-NF1
Flagship technology · NF-CPI

Fluorine-free transparent PI, with more room for transparent materials

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

View CPI-HK-NF1 specifications
Key indicators

Turning material advantages into verifiable indicators

93%+

Film light transmittance at 30 mm

Brochure data: film light transmittance remains above 93%.

360℃

Peak film Tg

A reference point for high-temperature material performance.

UL 94 V-0

Flame retardancy

The flame-retardancy grade specified across the brochure portfolio.

Product advantages

R&D, process, and delivery as one capability

01

Independent R&D

Molecular-level structure control, shorter delivery cycles, and source-factory cost control.

02

Customization

Customized material systems and performance targets based on the application context.

03

Quality stability

Stable synthesis, an experienced R&D and production team, and advanced film post-processing.

04

Environmental responsibility

Green solvents help reduce risks across material processing and application.

05

Process expertise

Advanced coating equipment and a specialized team connect formulation with repeatable manufacturing.

06

Performance

Film transmittance at 30 mm remains above 93%, while peak film Tg reaches 360℃.

Patents & R&D

Turning material questions into engineered solutions

The company has filed 300+ patents. The verified polyimide and film examples below cover film formulations, composite membranes, and preparation processes.

300+

Patent technologies

Patent application scale disclosed in company materials.

Polyimide film and its preparation method

ZL 2022 1 0411316.4 Granted invention patent / CN 114736372 B

Polyimide composite membrane, preparation method and application

CN 121623605 A Published invention application

Ternary copolymer polyimide, polyimide film, preparation method and application

CN 121949783 A Published invention application
Brand idea

Creating a Smart Future