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  5. ETFE-E2 General Purpose

ETFE-E2 General Purpose

CHEMFILM ETFE-E2 General Purpose
ETFE-E2 fluoropolymer film is manufactured from a copolymer of ethylene and tetrafluoroethylene resin. ETFE-E2 grade is a general purpose ETFE film fit for use in most applications. This material combines the outstanding chemical and thermal flexibilty of fluoropolymer with the improved mechanical performance of advanced engineering grade plastics. The resistance to chemicals and weathering, low flammability, and stress crack resistance make this film an excellent candidate for a wide variety of applications.
 
  • Weatherable Applications
Saint-Gobain's ETFE-E2 film offers excellent mechanical properties and tear resistance.  The high light transmission (> 94%) of ETFE film, when combined with its excellent mechanical and chemical properties, provides excellent performance in architectural roofing designs and greenhouses.  ETFE film is also an excellent choice in solar collector applications due to its outstanding physical properties and high coverage factor resulting from its low density. ETFE-E2 film is UL listed under file number QMFZ2.E311412
 
  • Low Surface-Energy Applications
Saint-Gobain's ETFE-E2 film offers a low surface energy, making it an excellent choice for release applications up to 165°C (330°F) process temperature. The low density of this material, compared to Saint-Gobain's FEP film, provides greater coverage per pound for composite molding release film applications. The low surface energy of ETFE can also be utilized in applications such as wall coverings and anti-graffiti protection for high traffic areas.
 
  • Fabrication Capabilities

ETFE-E2 film offers processors excellent dimensional stability for secondary processing such as thermoforming and welding.  Products utilizing Saint-Gobain's surface treatment technologies, such as C-treatment, improve bondability characteristics for protective laminations and adhesive coating.

Datasheet

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  • Features and Benefits
  • Typical Properties
  • Applications
  • Related Documents
Features Benefits
Low Surface Energy Superior release properties, self-cleaning
UV stable Excellent outdoor weatherability
Functional temperature range from -200°C (-328°F) to 165°C (330°F) Suitable for Cryogenic and High temperature Applications
Chemically Inert Excellent chemical and mechanical properties
Visible Light transmission >94% and Haze <5% Excellent for light weight transparent surface coverings and architectural openings
Thermally stable thermoplastic Thermoformable to shapes of moderate complexity
Low Density and High Mechanical Strength Ideal for lightweight and high performance product constructions
Available with Pigment For easy identification
Available with C-Treatment Provides Cementable surface on one or both sides of the film
Typical Properties Test Method Value Units
General
Specific Gravity ASTM D-792 1.70-1.76  
Yield (1 mil)   22.5 (110) m2/kg (ft2/lb)
Water Absorption, 24 hr.   <0.03 %
Mechanical
Tensile Strength @ Break (RT) ASTM D-882 48 (7,000) MPa (psi)
Elongation @ Break (RT) ASTM D-882 400 %
Tensile Modulus (RT) ASTM D-882 1100 (160,000) MPa (psi)
Propagation Tear Strength, 1 mil ASTM D-1922 >2.9 (0.65) N(lbf)
Electrical
Dielectric Strength, 1 mil ASTM D-149 215 (5,500) kV/mm (V/mil)
Dielectric Constant, 1 kHz ASTM D-150 2.6  
Dissipation Factor, 1 kHz ASTM D-150 <0.0008  
Thermal
Flammability UL-94 V-0  
Melt Point ASTM D-3418 250-270 (482-518) C (F)
Continuous Service Temperature   165 (330) C (F)
Specific Heat   2000 (0.46) J/(kg· oK) (BTU/(lb·oF))
Coefficient of Thermal Conductivity   0.238 (1.65) W/(m· oK) BTU·in/(hr·ft2·oF)
Limiting Oxygen Index ASTM D-2863 31 %
Optical      
Solar Transmission ASTM E-424 94 %
Refractive Index ASTM D-542 1.4  
 

 

Semiconductor EncapsulationSemiconductor Encapsulation
Photovoltaic FrontsheetPhotovoltaic Frontsheet
Solar Thermal CollectionSolar Thermal Collection
Process Belting and CastingProcess Belting and Casting
Surface ProtectionSurface Protection
Medical Release LinersMedical Release Liners

 

  • CHEMFILM ETFE-E2 datasheet
  • CHEMFILM ETFE safety datasheet
  • CHEMFILM Brochure
  • CHEMFILM Textured ETFE datasheet

About Saint-Gobain

Saint-Gobain designs, manufactures and distributes materials and solutions which are key ingredients in the wellbeing of each of us and the future of all. They can be found everywhere in our living places and our daily life: in buildings, transportation, infrastructure and in so many industrial applications.

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