GC-Type Polyimide Carbon-Based Film – Advanced Precursor for Artificial Graphite Production​​

​​Core Features​​

Engineered specifically for high-temperature graphitization processes (up to 3000°C), our biaxially stretched PI film delivers:

• ​​High Carbon Yield​​: Minimum 65% conversion efficiency

• ​​Precision Orientation​​: 3:1 MD/TD stretch ratio for uniform crystal structure

• ​​Ultra-Low Impurities​​: <50ppm ash content ensures graphite purity

• ​​Thermal Resilience​​: Stable up to 450°C pre-carbonization

• ​​Thickness Options​​: 25-125μm (±3% tolerance) for customized density requirements

​​Technical Specifications​​

​​Critical Applications​​

• ​​Thermal Management​​: Heat spreaders for 5G/LED cooling solutions

• ​​Energy Storage​​: Current collectors for lithium-ion batteries

• ​​Fuel Cell Components​​: Gas diffusion layer substrates

• ​​Aerospace Systems​​: Thermal interface materials for satellites

• ​​Semiconductor Processing​​: High-purity wafer carriers

​​Quality Assurance​​

• Compliant with ​​JIS K 7128​​ and ​​ASTM D882​​ standards

• ​​±1% thickness consistency​​ for reliable graphitization

• ​​Technical support​​ including temperature ramp profiles

• ​​Proprietary formulation​​ minimizes defects during conversion

​​Ordering & Services​​

• ​​Standard Formats​​: 500/1000mm widths × 100-300m lengths

• ​​Core Options​​: 3" or 6" industrial cores

• ​​Special Processing​​:

  • Pre-carbonized films (600°C treated)

  • Custom imidization levels

• ​​Minimum Order​​: 200kg (samples available)

​​Storage Protocol​​

• ​​Shelf Life​​: 6 months from production

• ​​Environment​​: 10-30°C, <60% RH

• ​​Handling​​: Flat storage recommended to prevent creasing

Anhui Guofeng New Materials Co., Ltd. was initiated exclusively by Anhui Guofeng Group Co., Ltd., and set up by issuing capital on September 23rd, 1998, and on November 19th of the same year, the stock was listed in Shenzhen Stock Exchange (stock code: 000859). 

The company has employs approximately 1,700 people.

Consists of following companies - Anhui Guofeng New Materials Technology Co., Ltd, Guofeng Wood&Plastic Technology Materials Co., Ltd., Hefei Guofeng advanced basic material Technology Co., Ltd, Wuhu Guofeng Plastic Technology Co.,Ltd, Guofeng Composite Materials Co., Ltd.

Guofeng is mainly engaged in plastic film production with 4 BOPP lines, 3 BOPET lines, 4 Thermal film lines and 12 PI film lines with annual output of 180,000 tons. Main products-plastic film is widely used in packaging and electronic information material field, which is sold to regions including America, Europe, Southeast Asia, Japan and Korea.,etc.

Guofeng is one of the 15 enterprises that supported by the government of Anhui Province, one of the National New High-tech Enterprises, National AAA Grade Quality & Prestige Enterprise, China Enterprise Management Scientific Experiments Base, State Class Good Reputation Enterprise, and Excellent Export Enterprise. “Guofeng” brand is regarded as Chinese well-known trademark, and products of film obtains the title of inspection-free product and China famous brand. We had obtained ISO9001 Quality Management System Certificate, ISO14001 Environment Management System Certificate, OHSAS18001 Occupational Health and Safety Management System Certificate, QS Quality Safety Certificate, ISO/TS16949 Quality Management System Certificate and England EKAS Certificate.

Guofeng always keeps the developing strategy of focus on Plastic as the Flagship, implement the construction of leading products’ key projects, grasp the historic opportunity, work hard, innovation, strive for the development of China national industry.