Cathay™ ETFE Film
Get to Know Cathay™ ETFE Fluoropolymer Films
Cathay™ ETFE films are tough, transparent, and thermoplastic films with high resistance to impact and tearing, outstanding antistick, and low frictional properties. They are chemically inert and solvent resistant to virtually all chemicals, except molten alkali metals, gaseous fluorine, and certain complex halogenated compounds. They also have a relatively low permeability to liquids, gases, moisture, and organic vapors; are inert to outdoor exposure; and have very good dielectric properties and wide continuous service temperature range. ETFE films can be heat sealed, thermoformed, vacuum formed, heat bonded, welded, metalized, laminated (combined with dozens of other materials), and used as anexcellent hot-melt adhesive.
Techyours™ ETFE Film Offers
• Thickness range from 12 to 250 mμ(0.0005" to 0.010")
• Standard width: 1500mm (60”)
• Any slit widths available upon request
• Bondable (plasma treated or chemically etched)surfaces available
• Broad continuous use temperature range from -200°C to 165 °C (-328°F to 330°F)
• Short term exposure of up to 204°C (400°F)
• Melt temperature minimum of 260°C (500°F)
• Excellent non-stick / release properties
• High elongation and tear resistance
• Excellent light transmission (>90%) andclarity, high transmittance of ultraviolet and allbut far infrared wavelengths• Superior weatherability in outdoor exposure
• High dielectric strength, 5,500 V/mil for 1-milfilm (215 kV/mm for 25 mµ film)
• Free of plasticizers, processing aids, oradditives
• Low permeability to liquids, gases, moisture,and organic vapors
Which Techyours™ is Right for You?
ETFE S Grade
This film grade utilizes the low dielectric constant and 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.
ETFE A Grade
Cathay™ ETFE Films are manufactured from 100% virgin premium grade Everflon ETFE resin. ETFE A is the grade of choice for applications requiring visual perfection. ETFE's unique combination of high light transmission, clarity, and durability make it an invaluable material for applications such as architectural roofing and greenhouses. Cathay™ ETFE A is available in clear, white, or printed films for solar control and shading.
ETFE R
Cathay™ ETFE Mold Release (R) grade film is the material of choice for a release film in high temperature composite molding due to its superior non-stick properties and high upper use temperature in static applications. This film has a higher area yield than either FEP or PTFE films by over 20%: 110 ft2/lb. for 1 mil film (22.6 m2/kg for 25 mµ film). Cathay™ ETFE R film has high elongation and excellent conformability to complex, contoured molds. Cathay™ produces our ETFE R film in standard colors including red and light blue, and also produces custom colors upon request. These films are available in a variety of perforated patterns.
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