PFA Film | Transparent, Heat-Resistant & Chemical-Resistant Fluoropolymer Film for Semiconductor, Electrical Insulation, Chemical Lining, and High-Purity Industrial Applications

Product Overview

PFA film is extruded from perfluoroalkoxy (PFA) resin with a smooth surface and excellent comprehensive properties. It supports various processing methods such as heat sealing, welding, metallization, lamination, and vacuum forming.

Key Properties

Chemical Resistance

• Excellent resistance to most strong acids, alkalis, and common solvents (e.g., DMF, DMSO)
• Withstands concentrated sulfuric acid and nitric acid
• Not resistant to molten alkali metals, fluorine, and certain halogen compounds under specific conditions
• Good barrier properties to gases and liquids

Thermal Properties

• Continuous service temperature: -240℃ to +260℃
• Melting point: 305℃
• Thermal shrinkage (200℃ × 10min): -0.7 ~ -0.6%
• Thermal conductivity: 0.2 W/m·K
• Flammability: UL 94 VTM-0
• Oxygen index: 95 Vol%

Electrical Properties

• High dielectric strength: 250 kV/mm (0.025 mm film), 70 kV/mm (5 mm film)
• Low dielectric constant: 2.02 (1 MHz), 2.01 (1000 MHz)
• Low dielectric loss: 0.0003 (1 MHz), 0.0005 (1000 MHz)
• Volume resistivity: >1.0 × 10¹⁷ ohm·cm
• Surface resistivity: >1.0 × 10¹⁶ ohm/sq

Mechanical Properties

• Tensile strength: 25 MPa
• Elongation at break: 300%
• MIT folding endurance: 100,000 cycles
• Excellent non-stick and low friction performance
• High impact and tear resistance
• Maintains mechanical properties even at cryogenic temperatures

Weatherability

• Stable under long-term outdoor exposure
• Excellent transmittance for visible and UV light
  
  

Shenzhen Teflon New Material Technology Co., Ltd. is a leading manufacturer and supplier of high-performance fluoroplastic raw materials, semi-finished products, and raw material solutions in China, with over 10 years of production experience. Our customers span various industries, including aerospace, semiconductors, fluid handling, petroleum, specialty gases, electronics, automotive, UAVs, medical, and construction.

Our product range includes fluoropolymer raw materials such as FEP, PFA, PTFE, PCTFE, PVDF, and ETFE, as well as fluoroplastic products including tubes, rods, gaskets, films, sheets, and coatings.