Anhui Guofeng New Materials Co., Ltd.
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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