ETFE Coil

ETFE Coil is a continuous roll of ethylene tetrafluoroethylene polymer sheet, offering exceptional tensile strength, high impact resistance, and outstanding chemical inertness. Supplied in coil form, it allows efficient handling, storage, and processing for large-scale or continuous manufacturing operations. ETFE’s excellent UV stability, light transmittance, and weather resistance make it a preferred choice in industries such as architecture, aerospace, renewable energy, and chemical processing. Applications include lightweight roofing membranes, corrosion-resistant linings, photovoltaic panel encapsulation, and high-performance insulation for wiring and cabling in harsh environments. The coil format enables easy cutting, lamination, and thermoforming, ensuring adaptability for both structural and functional uses. In research and innovation, ETFE Coil is integral to developing advanced membrane systems, high-transparency enclosures, and chemically resilient components, combining material durability with the scalability required in modern industrial production.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Coil

Thickness		±20%

Material Properties for Polymers

Chemical Resistance

Element	Value
Acids - concentrated	Good
Acids - dilute	Good
Alcohols	Good
Alkalis	Good
Aromatic hydrocarbons	Good
Greases and Oils	Good
Halogenated Hydrocarbons	Good
Halogens	Good
Ketones	Good

Electrical Properties

Element	Value
Dielectric constant @1MHz	2.6
Dissipation factor @ 1MHz	0.0005
Dielectric strength( kV mm⁻¹ )	25
Surface resistivity( Ohm/sq )	>10¹⁴
Volume resistivity( Ohmcm )	10¹⁶

Physical Properties

Element	Value
Flammability	V0
Radiation resistance	Fair
Refractive index	1.403
Resistance to Ultra-violet	Excellent
Limiting oxygen index( % )	30-32
Water absorption( % )	0-0.03
Density( gcm⁻³ )	1.7

Mechanical Properties

Element	Value
Hardness - Rockwell	R50
Elongation at break( % )	250-350
Tensile modulus( GPa )	0.8
Izod impact strength( J m⁻¹ )	1000
Tensile strength( MPa )	28-48

Thermal Properties

Element	Value
Heat-deflection temperature - 0.45MPa( C )	105
Heat-deflection temperature - 1.8MPa( C )	70
Lower working temperature( C )	-100
Upper working temperature( C )	150-160
Specific heat( J K⁻¹ kg⁻¹ )	1900-2000
Thermal conductivity( W m⁻¹ K⁻¹ )	0.24@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	90-170