new material
PFA Film (Perfluoroalkoxyethylene Film) offers outstanding chemical resistance, superior thermal stability, and excellent electrical insulation. Designed for industrial coatings, electronic insulation, and protective applications, it ensures reliable performance, durability, and long-term functionality.
Product Overview
PFA film is a high-performance material known for its excellent mechanical properties, chemical stability, and electrical performance, making it ideal for extreme temperatures and harsh chemical environments. PFA combines the advantages of PTFE and FEP, offering superior heat resistance and electrical performance. It is widely used in industries such as chemicals, electronics, and electrical applications.
Product Features
- Flame Retardant:PFA film has an extremely high oxygen index greater than 95%, ensuring safety in high-temperature environments.
- Mechanical Strength:PFA retains high mechanical strength at elevated temperatures, with a broad temperature range from -200°C to 250°C.
- Chemical Resistance:Similar to PTFE, PFA has excellent chemical stability, resisting most acids, bases, oxidizing agents, and various solvents, enhancing its applicability in chemical environments.
- Electrical Performance:PFA exhibits stable low dielectric constant and low dielectric loss across temperature and frequency changes, making it ideal for electrical equipment.
Applications
- Chemical Industry:Used in chemical reaction equipment, pipes, storage containers, and other areas where high chemical resistance is required.
- Electronics and Electrical Industry:Used in cables, connectors, insulation films, and high-frequency electrical devices to provide excellent electrical isolation.
- High-Temperature Environments:Suitable for sealing and protection in high-temperature applications, such as high-temperature pipes and thermal insulation materials.
- Precision Equipment:With its high chemical resistance and mechanical strength, PFA film is widely used in precision instruments and equipment.
| Item | Unit | PFA | FEP | Testing Method |
| Specific Gravity | / | 2.12-2.17 | 2.12-2.17 | ASTM D792 |
| Contact Angle (Water) | ° | 115 | 114 | / |
| Water Absorption | % | <0.01 | <0.01 | ASTM D570 |
| Melt Viscosity at 380°C | Poise | (2-25) x 10⁴ | (2-60) x 10⁴ | / |
| Specific Heat | J/g·°C | 1.05 | 1.17 | / |
| Melting Point | °C | 302-310 | 265-275 | DSC (10°C/min) |
| Thermal Conductivity | J·cm/s·cm²·°C | 2.6 x 10³ | 2.5 x 10³ | ASTM C177 |
| Coefficient of Linear Expansion | 1/°C | 12 x 10⁻⁵（+20±100℃） | (8-15) x 10⁻⁵（+20±100℃） | ASTM D696 |
