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Teflon® FEP Film
| Category: | FEP , Perfluoroethylene Propylene Copolymer |
| Manufacturer: | DuPont Fluoropolymers |
| Trademark: | Teflon® FEP |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | O3UChp_Teflon-FEP-Film.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| DuPont FEP film is a transparent, thermoplastic film that can be heat sealed, thermoformed, vacuum formed, heat bonded, welded, metalized, laminated - combined with dozens of other materials, and can also be used as an excellent hot-melt adhesive. |
| General Information | |
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| Features |
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| Uses |
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| Appearance |
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| Forms |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density | 2.15 | g/cm³ | ASTM D1505 |
| Dimensional Stability | ASTM D1042 | ||
| Across Flow, Shrinkage, 150°C | 2.2 | % | |
| Flow, Expansion, 150°C | 0.72 | % | |
| Water Absorption (24 hr) | < 0.010 | % |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Coefficient of Friction (vs. Steel - Dynamic) | 0.10 to 0.30 | ASTM D1894 |
| Films | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Film Thickness - Tested | 25 | µm | |
| Tensile Strength - MD | ASTM D882 | ||
| Yield, 25 µm | 12.0 | MPa | |
| Break, 25 µm | 21.0 | MPa | |
| Tensile Elongation - MD (Break, 25 µm) | 300 | % | ASTM D882 |
| Flexural Modulus - MD (25 µm) | 480 | MPa | ASTM D882 |
| Elmendorf Tear Strength - MD (25 µm) | 130 | g | ASTM D1922 |
| Graves Tear (25.0 µm) | 3 | N | ASTM D1004 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Impact Strength (25.0 µm) | 77.0 | J/cm | Internal Method |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Burst Strength - Mullen (25.0 µm) | 0.0760 | MPa | ASTM D774 |
| MIT Folding Endurance - film (25.0 µm) | 1.0E+4 | Cycles | ASTM D2176 |
| Permeability | |||
| Gas: Carbon Dioxide | 25900 | cm³/m²/atm/24 hr | ASTM D1434 |
| Gas: Hydrogen | 34100 | cm³/m²/atm/24 hr | ASTM D1434 |
| Gas: Nitrogen | 5000 | cm³/m²/atm/24 hr | ASTM D1434 |
| Gas: Oxygen | 11600 | cm³/m²/atm/24 hr | ASTM D1434 |
| Vapor: Acetic Acid | 6.3 | g/m²/24 hr | ASTM E96 |
| Vapor: Acetone | 15 | g/m²/24 hr | ASTM E96 |
| Vapor: Benzene | 9.9 | g/m²/24 hr | ASTM E96 |
| Vapor: Carbon Tetrachloride | 4.8 | g/m²/24 hr | ASTM E96 |
| Vapor: Ethyl Alcohol | 11 | g/m²/24 hr | ASTM E96 |
| Vapor: Hexane | 8.7 | g/m²/24 hr | ASTM E96 |
| Vapor: Water | 7.0 | g/m²/24 hr | ASTM E96 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | ASTM D648 | ||
| 0.45 MPa, Unannealed, 0.0250 mm | 70.0 | °C | |
| 1.8 MPa, Unannealed, 0.0250 mm | 51.0 | °C | |
| Peak Melting Temperature | 260 to 280 | °C | ASTM D3418 |
| Specific Heat (25°C) | 1170 | J/kg/°C | |
| Thermal Conductivity (25°C) | 0.20 | W/m/K | Internal Method |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Surface Resistivity 1 | > 1.0E+16 | ohms | ASTM D257 |
| Volume Resistivity 2 | > 1.0E+18 | ohms·cm | ASTM D257 |
| Dielectric Strength | ASTM D149 | ||
| 23°C, 0.0250 mm, Air | 260 | kV/mm | |
| 23°C, 5.00 mm, Air | 70 | kV/mm | |
| Dielectric Constant | ASTM D150 | ||
| 1 kHz 3 | 1.93 to 2.02 | ||
| 25°C 4 | 2.00 | ||
| Dissipation Factor | ASTM D150 | ||
| 1 kHz 5 | 2.0E-4 | ||
| 1 MHz 6 | 5.0E-4 | ||
| 25°C 7 | 2.0E-4 to 7.0E-4 | ||
| Arc Resistance 8(0.0250 mm) | > 165 | sec | ASTM D495 |
| Insulation Resistance 9 | Internal Method | ||
| 100°C | 3.5E+11 | ohms | |
| 150°C | 2.5E+11 | ohms | |
| 200°C | 6.5E+10 | ohms |
| Flammability | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Flame Rating (0.0250 mm) | VTM-0 | UL 94 | |
| Oxygen Index (0.0250 mm) | 95 | % | ASTM D2863 |
| Optical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Refractive Index | 1.341 to 1.347 | ASTM D542 | |
| Transmittance (25.0 µm) | 96.0 | % | ASTM E424 |
| Note Message | |
|---|---|
| 1 . | -40 to 240°C |
| 2 . | -40 to 240°C |
| 3 . | -40 to 225°C |
| 4 . | 100Hz to 1MHz |
| 5 . | -40 to 225°C |
| 6 . | -40 to 240°C |
| 7 . | 100Hz to 1MHz |
| 8 . | Samples melted in arc did not track. |
| 9 . | Based upon 0.2 MF wound capacitor sections, using single laer, Teflon® 50A Film. |
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