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PEEK Tube

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Properties common to all products in this list

Composition: PEEK Form: Tube Material: Polyetheretherketone (PEEK) CAS Number: 29658-26-2 Commodity: Polymers
PEEK Tube combines the high strength, wear resistance, and chemical inertness of polyetheretherketone with the versatility of a hollow geometry. This form enables weight reduction, fluid conveyance, or cable protection in demanding environments. Industries such as aerospace, oil and gas, and medical technology use it for chemically resistant fluid lines, protective conduits, and structural tube assemblies. Specific applications include fuel lines in aerospace systems, chemically inert tubing for analytical instruments, and biocompatible conduits in surgical tools. In research, PEEK tubes facilitate studies on fluid compatibility, pressure resistance, and thermal cycling durability. Their combination of form, function, and durability ensures essential roles in high-reliability engineering solutions.
Starting at $284.00 each
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Material Properties

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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Available Configurations

Properties common to all products in this list

Composition: PEEK Form: Tube Material: Polyetheretherketone (PEEK) CAS Number: 29658-26-2 Commodity: Polymers

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Tolerances

Tube
Outside Diameter =<2mm ±10%
Outside Diameter =<5mm ±10%
Outside Diameter >5mm ±10%
Wall Thickness ±20%