1. Product Core
High-Purity Ultra-Thin Graphite Paper is a high-performance flexible graphite product, made from high-purity natural flake graphite through advanced rolling, calendering and purification processes. Its core value lies in combining ultra-thin thickness, high purity and excellent physical and chemical properties, which can meet the high-precision, high-reliability application requirements of various industries, providing efficient thermal conductivity, electrical conductivity and sealing solutions for high-end equipment and precision components.
2. Technical Parameters
|
Technical Indicators |
Unit |
Ordinary Level |
High-End Level |
|
Fixed Carbon Content |
% |
≥99.0 |
≥99.5 |
|
Ash Content |
% |
≤0.3 |
≤0.1 |
|
Thickness |
mm |
0.01-0.10 |
0.01-0.05 |
|
Width |
mm |
50-500 |
50-800 |
|
Density |
g/cm³ |
0.9-1.2 |
1.0-1.3 |
|
Thermal Conductivity (20℃) |
W/(m·K) |
300-400 |
400-500 |
|
Temperature Resistance |
℃ |
-200 to +450 |
-200 to +500 |
|
Tensile Strength |
MPa |
≥2.5 |
≥3.5 |
|
Compression Rate |
% |
≥30 |
≥35 |
|
Recovery Rate |
% |
≥12 |
≥15 |
|
Sulfur Content |
% |
≤0.05 |
≤0.03 |
3.Product Features
Exceptional High Purity: The fixed carbon content is as high as 99% and above, with extremely low ash, sulfur, phosphorus and other impurities, no pollution to the applied equipment and medium, and high compatibility with high-end precision scenarios.
Ultra-Thin & Flexible: The thickness can be as thin as 0.01mm, with excellent flexibility and ductility, easy to cut, bend and laminate, able to fit the surface of irregular components tightly without damaging the base material.
Excellent Thermal Conductivity: The thermal conductivity is up to 300-500 W/(m·K), which can quickly transfer heat, effectively solve the heat accumulation problem of precision components, and improve the service life of equipment.
Outstanding High & Low Temperature Resistance: It can maintain stable performance in the temperature range of -200℃ to +450℃ (oxidizing atmosphere), no deformation, no decomposition, and adapt to harsh working environments such as high temperature and low temperature.
Strong Chemical Inertness: It is resistant to corrosion by most acids, alkalis, oils and organic solvents, does not react with the medium, and is suitable for sealing and isolation in corrosive environments.
Non-Asbestos & Environmental Protection: It is made of natural graphite without any asbestos or harmful substances, in line with international environmental protection standards, and safe for long-term use.
Low Creep & Good Compressibility: It has low creep relaxation rate, good compression rebound performance, and can maintain stable performance for a long time under long-term pressure.
4. Product Applications
Electronic & Semiconductor Industry:High-Purity Ultra-Thin Graphite Paper is used as heat dissipation gaskets, thermal conductive sheets for chips, LEDs and integrated circuits (ICs), and flexible conductive materials for printed circuit boards (PCBs), helping improve heat dissipation efficiency and ensure the stable operation of electronic components.
New Energy Industry: Applied to fuel cell bipolar plates, lithium battery thermal management components, and solar cell conductive sheets, providing excellent thermal conductivity and electrical conductivity to support the efficient operation of new energy equipment.
Precision Machinery & Sealing Industry: Used as ultra-thin sealing gaskets for precision valves, pumps, heat exchangers and reactors, especially suitable for small gaps and high-precision sealing scenarios, preventing medium leakage.
Aerospace & Military Industry: Used as thermal insulation, heat conduction and sealing components for aerospace equipment and military precision instruments, adapting to extreme temperature and pressure environments.
Medical Equipment: Used as conductive and heat-dissipating components for precision medical instruments (such as medical monitors, diagnostic equipment), with high purity and no pollution, meeting medical grade standards.
Other Fields: Used as flexible conductive sheets, electromagnetic shielding materials, and thermal conductive linings for electronic products, automotive precision components, etc.
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