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Grade: Copolymer
Formula: ECTFE
Form: Coil
Material: Ethylene-chlorotrifluoroethylene (ECTFE)
CAS Number: 25101-45-5
Commodity: Polymers
Coil Width: 610mm
ECTFE Coil is a continuous roll of ethylene chlorotrifluoroethylene, a partially fluorinated polymer renowned for its outstanding chemical resistance, low permeability, and excellent mechanical stability across a broad temperature range. Its coil form allows for easy handling, cutting, and installation in large-scale industrial applications, particularly where corrosion resistance and long-term durability are critical. ECTFE Coil is extensively used in industries such as chemical processing, semiconductor manufacturing, and environmental engineering. Key applications include lining and fabricating corrosion-resistant tanks, producing chemical-resistant ducting and piping systems, and manufacturing flexible barriers for aggressive chemical containment. The coil geometry ensures uniform thickness, ease of transport, and rapid deployment in both fabrication shops and field installations. In research and industrial contexts, ECTFE Coil provides a dependable combination of high performance, versatility, and cost-effectiveness for demanding environments.
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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-Fair
Halogens Good
Ketones Good
Mechanical Properties
Element Value
Coefficient of friction 0.07-0.08
Hardness - Rockwell R95
Elongation at break( % ) 200
Tensile modulus( GPa ) 1.4-1.6
Izod impact strength( J m⁻¹ ) 1000
Abrasive resistance - ASTM D1044( mg/1000 cycles ) 5
Tensile strength( MPa ) 48
Electrical Properties
Element Value
Dielectric constant @1MHz 2.3-2.5
Dissipation factor @ 1kHz 0.002
Dielectric strength( kV mm⁻¹ ) 40
Surface resistivity( Ohm/sq ) 10¹⁴-10¹⁵
Volume resistivity( Ohmcm ) 10¹⁵-10¹⁶
Physical Properties
Element Value
Flammability V0
Radiation resistance Fair
Limiting oxygen index( % ) 60
Water absorption - over 24 hours( % ) 0.02
Density( gcm⁻³ ) 1.68
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 115
Heat-deflection temperature - 1.8MPa( C ) 75
Lower working temperature( C ) -75
Upper working temperature( C ) 130-170
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.16@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 80

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