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PET Filament

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Properties common to all products in this list

Composition: Polyester, PET, PETP Form: Filament Material: Polyethylene terephthalate (PET) CAS Number: 25038-59-9 Commodity: Polymers
PET Filament delivers excellent tensile strength, abrasion resistance, and dimensional stability, making it suitable for precision textile applications, reinforcement structures, and technical ropes. Resistant to many chemicals and low in moisture absorption, it performs reliably in marine, aerospace, and manufacturing environments. Industries use PET filament for woven industrial fabrics, high-strength sewing threads, and reinforcing cords in composite materials. Specific applications include technical sailcloth production, dimensionally stable belts for automated systems, and reinforcement in high-pressure hoses. In research, PET filament supports development of advanced woven composites, investigations into fiber surface modification for enhanced adhesion, and studies on long-term durability in extreme environmental conditions. Its balance of mechanical resilience and adaptability ensures its value in demanding technical and scientific applications.
Starting at $223.00 each
No Minimum order Free technical support *Free delivery worldwide

Material Properties

Chemical Resistance
Element Value
Acids - concentrated Good-Poor
Acids - dilute Good
Alcohols Good
Alkalis Poor
Aromatic hydrocarbons Good-Fair
Greases and Oils Good
Halogenated Hydrocarbons Good-Poor
Halogens Fair-Poor
Ketones Good-Fair
Mechanical Properties
Element Value
Coefficient of friction 0.2-0.4
Hardness - Rockwell M94-101
Poisson's ratio 0.37-0.44
Tensile modulus( GPa ) 02-Apr
Izod impact strength( J m⁻¹ ) 13-35
Tensile strength( MPa ) 80, for biax film 190-260
Electrical Properties
Element Value
Dielectric constant @1MHz 3
Dissipation factor @ 1kHz 0.002
Dielectric strength( kV mm⁻¹ ) 17
Surface resistivity( Ohm/sq ) 10¹³
Volume resistivity( Ohmcm ) >10¹⁴
Physical Properties
Element Value
Flammability HB
Radiation resistance Good
Refractive index 1.58-1.64
Resistance to Ultra-violet Fair?
Limiting oxygen index( % ) 21
Water absorption - equilibrium( % ) 0.7
Water absorption - over 24 hours( % ) 0.1
Density( gcm⁻³ ) 1.3-1.4
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 115
Heat-deflection temperature - 1.8MPa( C ) 80
Lower working temperature( C ) 20
Upper working temperature( C ) 115-170
Specific heat( J K⁻¹ kg⁻¹ ) 1200-1350
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.15-0.4@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 20-80
each

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Available Configurations

Properties common to all products in this list

Composition: Polyester, PET, PETP Form: Filament Material: Polyethylene terephthalate (PET) CAS Number: 25038-59-9 Commodity: Polymers

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Tolerances

Filament
Diameter ±20%
Length +5% / -1%