We are a professional manufacturer specializing in fluoropolymer materials and tubing products.
The FEP film is a versatile fluoropolymer film produced from FEP resin via melt extrusion. With chemical resistance, dielectric strength, non-stick properties, and UV transparency, it is widely used in 3D printing, pharmaceutical and medical packaging, composite molding, and pipeline lining.
Product Description：
FEP films are manufactured from fluorinated ethylene propylene (FEP) resin by melt extrusion, yielding a smooth-surfaced, high-performance film. They can be heat-sealed, welded, metallized, laminated, and vacuum-formed, making them suitable for a wide range of industrial, medical, and high-tech applications.
Available in thicknesses from 12.5 μm to 500 μm and widths up to 1600 mm, FEP films offer excellent reliability under long-term outdoor conditions, combined with chemical inertness, superior electrical insulation, and flexibility at low temperatures.
Key Features:
Chemical Resistance: Inert to strong acids (H₂SO₄, HNO₃), alkalis, and solvents (DMF, DMSO).
Thermal Performance: Long-term service at -240℃ to +205℃; melting point 260℃.
Flame Retardancy: UL94-V0 certified; Oxygen Index 95%.
Electrical Reliability: Dielectric strength up to 250 kV/mm (0.025 mm film); very low dielectric constant and loss.
Mechanical Properties: Excellent non-stick and low friction surface; high impact and tear resistance; maintains mechanical integrity at cryogenic temperatures.
Weather Resistance: Long-term outdoor durability; high UV and visible light transmittance.
3D Printing – as release film and heat bed cover
Gas Sampling Bags – inert and reliable containment
Pharmaceutical Packaging – vial stoppers, medical seals
Composite Manufacturing – release and protection films
Film Welding & Lamination – multilayer barrier structures
Pipeline Linings – anti-corrosion protection for chemical transport
| Specification | TFLFF0013 | TFLFF0025 | TFLFF0038 | TFLFF0050 | TFLFF0075 | TFLFF0100 | TFLFF0125 | TFLFF0250 | TFLFF0500 |
|---|---|---|---|---|---|---|---|---|---|
| Thickness (mil) | 0.5 | 1 | 1.5 | 2 | 3 | 4 | 5 | 10 | 20 |
| Thickness (μm) | 12.5 | 25 | 37.5 | 50 | 75 | 100 | 125 | 250 | 500 |
| Area Factor (ft²/lb) | 180 | 90 | 60 | 45 | 30 | 22.5 | 18 | 9 | 4.5 |
| Area Factor (m²/kg) | 36 | 18 | 12 | 9 | 6 | 4.5 | 3.6 |
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