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Technical Data Sheet
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PEEK Filament

PEEK (Polyether ether ketone) filament is widely recognized for its exceptional mechanical strength, chemical resistance, and thermal stability, making it indispensable in advanced research and industrial applications. In biomedical fields, PEEK's biocompatibility and radiolucency enable its use in implantable devices such as spinal and dental implants, where durability and compatibility with bone are critical. Aerospace applications leverage PEEK's lightweight and robust properties for 3D-printed components designed to withstand extreme conditions. Its electrical insulating capabilities have proven essential for developing advanced electronic components, while its high-pressure and chemical resistance support automotive applications in fuel systems and under-the-hood components. These attributes position PEEK filament as a leading material for innovation across multiple high-performance industries.
Formula: PEEK
Diameter: 0.2mm
Length: 0.2m
Type: Type A
CAS Number: 29658-26-2
UOM Code: 264-954-65
SKU: 1000075693
Product Code: EK30-MT-000120

Tolerances

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

Tolerances

Filament
Diameter ±20%
Length +5% / -1%
Technical Data Sheet
Safety Data Sheet
£139.68
each
  • Buy 5 for £113.15 each and save 19%
  • Buy 10 for £103.36 each and save 26%
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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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