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    1. Home
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    3. CHEMFILM High Performance Films
    4. FEP Films
    5. FEP-FG General Purpose

    FEP-FG General Purpose

    CHEMFILM FEP-FG General Purpose
    FEP Type FG, general purpose film, is manufactured from fluorinated ethylene propylene resin. This film grade provides a low dielectric constant and excellent dissipation over a wide range of temperatures and frequencies for low signal distortion and attenuation in flexible printed circuit and flat cable applications. The high surface and volume resistivity minimizes current leakage and provides excellent insulation in wire and cable applications. FEP also provides the chemical and thermal resistance to withstand aggressive environments, making it an excellent candidate for diaphragms, gaskets, protective linings, sample bags, and containers. Fabricated shapes and contours can be produced via heat sealing and thermoforming. The outstanding weatherability and optical properties of FEP film provide excellent performance in environmental growth chambers and solar thermal collectors. The film meets or exceeds the requirements of ASTM D-3368 (Specification for FEP-Fluorocarbon Resin Sheet and Film) for type I material.

     

     

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    • Features and Benefits
    • Typical Properties
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    Features Benefits
    Very low surface energy Outstanding anti-stick release properties
    Functional temperature range from -254°C (-425°F) to 205°C (400°F) Suitable for Cryogenic and High temperature applications
    Super dielectric properties Excellent electrical insulation properties
    Chemically inert Exceptional chemical resistance in aggressive environments
    UV Stable Long term performance in outdoor applications
    Available with pigment For easy identification
    Available with C-Treatment Provides cementable surface on one or both sides of the film

    CHEMFILM® FEP-FG Fluoropolymer Film Typical Physical Properties*

    Typical Properties Test Method Value Units
    General
    Specific Gravity ASTM D-792 2.12-2.17  
    Yield (1 mil)   18(90) m2/kg (ft2/lb)
    Water Absorption, 24 hr.   <0.01 %
    Mechanical
    Tensile Strength @ Break (RT) ASTM D-882 24(3500) MPa (psi)
    Elongation @ Break (RT) ASTM D-882 300 %
    Tensile Modulus (RT) ASTM D-882 480(70000) MPa (psi)
    Initial Tear Strength, 1mil ASTM D-1004 2.2-2.7(0.5-0.6) N(lbf)
    Initial Tear Strength, 2mil ASTM D-1004 4.9-5.3(1.1-1.2) N(lbf)
    Propagation Tear Strength, 1 mil ASTM D-1004 1.4-1.5(.32-.33) N(lbf)
    Propagation Tear Strength, 2 mil ASTM D-1922 2.4-2.7 (0.55-0.60) N(lbf)
    Fold Endurance (M.I.T) ASTM D-2176 10000 cycles
    Electrical
    Dielectric Strength, 1 mil ASTM D-149 240(6000) kV/mm (V/mil)
    Dielectric Constant, 1 kHz ASTM D-150 2.1  
    Dissipation Factor, 1 kHz ASTM D-150 0.0003  
    Thermal
    Melt Point ASTM D-3418 252-282(485-540) C (F)
    Continuous Service Temperature   205 (400) C (F)
    Specific Heat   1172(.28) J/(kg· oK) (BTU/(lb·oF))
    Coefficient of Thermal Conductivity ASTM D-2863 0.195(1.35) W/(m· oK) BTU·in/(hr·ft2·oF)
    Coefficient of Linear Thermal Expansion ASTM D-696 9.9x10-5(5.5x10-5) Mm/(mm·°C) (in/(in·°F))
    Flammability UL-94 V-0  
    Limiting Oxygen Index ASTM D-2863 95 %
    Optical      
    Refractive Index ASTM D-542 1.341-1.347  
    Solar Transmission ASTM E-424 96 %

    *Represent typical performance properties and should not be used for specification purposes. Contact your Saint-Gobain Performance Plastics representative for more information.

     

     

     

    Dielectric InsulationDielectric Insulation
    Solar Thermal CollectionSolar Thermal Collection
    Industrial Surface ProtectionIndustrial Surface Protection
    Life Science Surface ProtectionLife Science Surface Protection

     

    • CHEMFILM FEP datasheet
    • CHEMFILM FEP safety datasheet
    • CHEMFILM Brochure

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