Polyacrylonitrile (PAN)-based graphite soft felt is a high-performance thermal insulation material engineered for industrial applications requiring superior heat resistance, low thermal conductivity, and structural flexibility. Manufactured through precise carbonization processes, this felt exhibits excellent durability, uniform porosity, and optimized thermal management. It is widely used in vacuum furnaces, aerospace insulation, semiconductor processing, and energy storage systems, ensuring reliable performance in demanding environments.
Product Overview
Polyacrylonitrile (PAN) based graphite soft felt is a high-purity material processed from polyacrylonitrile (PAN), offering exceptional high-temperature resistance and ablation resistance. This material can be used in high-temperature environments under vacuum or inert gas protection, with a maximum operating temperature of up to 3000°C. It boasts excellent thermal stability and a long service life. Due to its superior properties, it is widely used in high-temperature heat treatment, crystal growth, and other demanding applications.
Key Features
- Outstanding High-Temperature Resistance: Capable of withstanding temperatures up to 3000°C, making it suitable for extreme high-temperature conditions.
- Ablation Resistance: Excellent ablation resistance, ideal for high-temperature melting and other high-temperature applications.
- High Purity and Low Ash Content: This material has a high purity and low ash content, ensuring no unwanted impurities are generated in precision manufacturing and high-temperature environments.
- High Mechanical Strength: With a high mechanical strength, it remains stable at high temperatures, ensuring a long service life.
- Excellent Thermal Stability: Demonstrates excellent stability and long service life in high-temperature environments, making it suitable for various harsh working conditions.
Applications
- Single Crystal Growth Furnaces: Used in the single crystal growth process as an insulation and thermal barrier material, ensuring uniform temperature distribution and improving production efficiency.
- Polycrystalline Casting Furnaces: Ideal for high-temperature applications in polycrystalline casting furnaces, providing effective thermal protection.
- Powder Metallurgy Industrial Furnaces: Used in high-temperature processing for powder metallurgy as a thermal barrier and insulation material, ensuring stable thermal conditions during production.
- Vacuum Sintering Furnaces: Widely used in vacuum sintering furnaces, providing stability and thermal insulation in high-temperature environments.
- Medium Frequency Induction Furnaces: As a thermal barrier and insulation material, it ensures uniform and stable temperature distribution within the furnace.
- High-Temperature Thermal Field Applications: Suitable for thermal isolation, insulation, and mechanical support in various high-temperature environments, particularly in industries like metallurgy and chemicals.
Item | Technical Index |
Treatment Temperature (°C) | ≥2200 |
Carbon Content (%) | ≥99.9% |
Thermal Conductivity (1150°C) (W/m·k) | ≤0.4 |
Thermal Conductivity (300°C) (W/m·k) | 0.01-0.05 |
Density (g/cm³) | 0.10-0.13 |
Tensile Strength (MPa) | ≥0.14 |
Ash Content (ppm) | ≤500 |