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Technical Data Sheet
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PEEK Filament

PEEK Filament is a high performance thermoplastic from Goodfellow's extensive range of 3D printing materials. With 87 variations, PEEK offers excellent chemical and hydrolysis resistance, as well as high strength and stiffness even at elevated temperatures. This makes it ideal for use in demanding applications like aerospace components, oil and gas tooling, and automotive under-the-hood parts where thermal and chemical resistance is paramount. The range of PEEK filaments from Goodfellow enables optimization of printing parameters like layer adhesion and warpage behavior.
Formula: PEEK
Diameter: 0.15mm
Length: 0.3m
Type: Type C, Pigmented
CAS Number: 29658-26-2
UOM Code: 249-684-22
SKU: 1000075628
Product Code: EK30-MT-000115

Tolerances

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

Tolerances

Filament
Diameter ±20%
Length +5% / -1%
Technical Data Sheet
Safety Data Sheet
$179.75
each
  • Buy 5 for $145.60 each and save 19%
  • Buy 10 for $136.61 each and save 24%
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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
Halogenated Hydrocarbons Good
Halogens Good-Poor
Ketones Good-Poor
Mechanical Properties
Element Value
Coefficient of friction 0.18
Hardness - Rockwell M99
Poisson's ratio 0.4
Elongation at break( % ) 50
Tensile modulus( GPa ) 3.7-4
Izod impact strength( J m⁻¹ ) 85
Tensile strength( MPa ) 70-100
Electrical Properties
Element Value
Dielectric constant @1kHz 3.2-3.3@50Hz-10Khz
Dissipation factor @ 1MHz 0.003
Dielectric strength( kV mm⁻¹ ) 190@50µm
Volume resistivity( Ohmcm ) 10¹⁵-10¹⁶
Physical Properties
Element Value
Flammability V-0 @ 1.5mm
Radiation resistance Good
Resistance to Ultra-violet Fair
Limiting oxygen index( % ) 35
Water absorption - equilibrium( % ) 0.5
Water absorption - over 24 hours( % ) 0.1-0.3
Density( gcm⁻³ ) 1.26-1.32
Thermal Properties
Element Value
Heat-deflection temperature - 0.45MPa( C ) 260
Heat-deflection temperature - 1.8MPa( C ) 160
Upper working temperature( C ) 250
Specific heat( J K⁻¹ kg⁻¹ ) 1340
Thermal conductivity( W m⁻¹ K⁻¹ ) 0.25@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 47-108
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