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Composition: PES
Form: Coil
Material: Polyethersulfone (PES)
Commodity: Polymers
Color: Clear Amber
PES Coil offers continuous lengths of polyethersulfone film with exceptional thermal stability, high mechanical strength, and excellent resistance to hydrolysis and a wide range of chemicals. Its roll form enables efficient integration into high-volume manufacturing for aerospace, medical, and electronic applications where both durability and precision are essential. Industries use PES coil for flexible printed circuits, sterilizable medical device components, and high-performance filtration membranes. Specific applications include roll-to-roll production of implantable device films, chemical-resistant insulation wraps for aerospace electronics, and membrane substrates for ultrafiltration systems. In research, PES coil supports scalable fabrication of advanced filtration technologies, studies on long-term polymer stability in aggressive environments, and prototyping of heat-resistant flexible electronics. The combination of form factor, processability, and inherent polymer resilience makes PES coil indispensable in critical scientific and industrial operations.
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Tolerances

Coil
Thickness ±20%

Material Properties for Polymers

Chemical Resistance
Element Value
Acids - concentrated Good-Poor
Acids - dilute Good
Alcohols Good
Alkalis Good
Aromatic hydrocarbons Good
Greases and Oils Good-Fair
Halogenated Hydrocarbons Good
Halogens Fair-Poor
Ketones Good
Electrical Properties
Element Value
Dielectric constant @1MHz 3.7
Dissipation factor @ 1MHz 0.003
Dielectric strength( kV mm⁻¹ ) 16
Volume resistivity( Ohmcm ) 10¹⁷
Physical Properties
Element Value
Flammability V-0 @ 0.4mm
Radiation resistance Good-Fair
Refractive index 1.65
Resistance to Ultra-violet Fair
Limiting oxygen index( % ) 34-41
Water absorption - equilibrium( % ) 2.2
Water absorption - over 24 hours( % ) 0.4-1
Density( gcm⁻³ ) 1.37
Mechanical Properties
Element Value
Hardness - Rockwell M88
Poisson's ratio 0.4
Elongation at break( % ) 40-80
Tensile modulus( GPa ) 2.4-2.6
Izod impact strength( J m⁻¹ ) 85
Abrasive resistance - ASTM D1044( mg/1000 cycles ) 6
Tensile strength( MPa ) 70-95
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 260
Heat-deflection temperature - 1.8MPa( C ) 203
Lower working temperature( C ) -110
Upper working temperature( C ) 180-220
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.13-0.18@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 55

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