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PEEK Washer

PEEK Washer combines exceptional compressive strength, thermal stability, and resistance to wear and creep, making it suitable for load-bearing sealing and insulating applications. Its ability to withstand aggressive chemical environments while maintaining dimensional integrity ensures long-term performance in aerospace, automotive, and semiconductor manufacturing. Industries employ PEEK washers in high-temperature sealing assemblies, electrical insulators in connectors, and chemically resistant fastening systems. Research applications include evaluations of polymer tribology, thermal cycling behavior in sealing environments, and studies of mechanical reliability in composite fasteners. By merging the precision of the washer form with the robustness of PEEK, this component plays a vital role in advancing technologies that demand high performance under extreme operating conditions.
Formula: PEEK
Thickness: 1.6mm
Outside Diameter: 12.5
Inside Diameter: 6.40
Quantity: 20 Pcs
Size: M6
CAS Number: 29658-26-2
UOM Code: 436-852-86
Legacy Code: EK30WA06
Distributor Code:
GF43685286
SKU: 1000076674
Product Code: EK30-WA-000106

Tolerances

Washer
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Tolerances

Washer
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Technical Data Sheet
Safety Data Sheet
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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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