Toggle Nav
Basket
Menu
My Quote 0

No minimum order

Free shipping included

Customized Materials

main product photo
Images are for guidance only and might not represent the final product.
Formula: Polyester, PET, PETP
Form: Filament
Material: Polyethylene terephthalate (PET)
CAS Number: 25038-59-9
Commodity: Polymers

PET Filament

PET Filament is a Goodfellow product that offers 122 variations within its range of thermoplastic filaments. Made from polyethylene terephthalate, PET Filament provides high strength and rigidity along with good chemical resistance and electrical insulating properties. Widely used for 3D printing applications, PET Filament can be extruded into complex geometries and is valued for its smooth surface finish. The material also sees use in fiber production for textiles and as a base for magnetic recording tapes. With its broad customizability, PET Filament supports diverse needs across research, prototyping and manufacturing settings.
Read more
each

Shipping restrictions and charges
may apply for some hazardous materials.

Tolerances

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

Material Properties for Polymers

Chemical Resistance
Mechanical Properties
Electrical Properties
Physical Properties
Thermal 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

Can't find what you're looking for? For customized options

Other Customers Purchased
  1. PET Rod
    Wishlist
    PET Rod Formula: Polyester, PET, PETP
    Diameter: 10mm
    Length: 1000mm
    Structure: Semi Crystalline
    Colour: Opaque White
    CAS Number: 25038-59-9
    UOM Code: 086-001-94

    Starting at £129.89

    each
    Discounts applied for volume purchases
    View Product
  2. PET Granules
    Wishlist
    PET Granules Formula: Polyester, PET, PETP
    Weight: 10000g
    Crystallinity: >50%
    Inherent Viscosity: 0.80 dl/g
    Structure: Semi Crystalline
    Type: Copolymer
    Additives: maximum 1ppm Acetaldehyde
    Colour: Natural
    CAS Number: 25038-59-9
    UOM Code: 908-166-12

    Starting at £133.04

    each
    Discounts applied for volume purchases
    View Product