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PolyEtherEtherKetone (PEEK), a high performance engineering thermoplastic, offers chemical and water resistance similar to PPS (PolyPhenylene Sulfide), but can operate at higher temperatures.

The general purpose grade is unreinforced and offers the highest elongation and toughness of all PEEK grades. Unfilled PEEK is available in sheet and rod forms in natural (a very light brown or tan) and black colors. Black PEEK is ideal for instrument components where aesthetics are important, as well as for seal components where ductility and inertness are important. All unfilled PEEK grades comply with FDA regulation 21 CFR 177.2415 for repeated food contact.The addition of glass fiber and carbon fiber reinforcements enhances the mechanical and thermal properties of the basic PEEK material.

Additional formulations (i.e., glass-filled, mineral-filled, carbon-filled, bearing, and medical grades) and variants within these grades (FDA compliant, static dissipative, high temperature) are available to meet specific application demands. Contact an Emco Industrial Plastics representative who can help you choose the correct material to meet the needs of your application.

Brand Names

  • Ketron® HPV
  • PEEK-LSG
  • Semitron® ESd 480
  • Susta® PEEK
  • Tecapeek™
  • Unitrex®
  • Vestakeep PEEK
  • Victrex® PEEK

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative by filling out the form below.

 

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At a Glance

Generic Name
PolyEtherEtherKetone (PEEK)

Available In
Sheet, Rod, Tube

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Gallery

Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

TypeSizeLengthColor
Sheet 0.03″ – 2″ TH Up to 24″ x 48″; CTS Natural, Black
Rod 0.25″ – 6″ DIA Std. foot lengths; CTS Natural, Black
Tube Available

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.

Properties

Physical PropertiesUnitsASTMResults
Density lb/in³ D792 0.047
Water Absorption, 24 hrs % D570 0.1
Mechanical PropertiesUnitsASTMResults
Tensile Strength @yield psi D638 16000
Tensile Modulus psi D638 500000
Tensile Elongation @Break % D638 20
Flexural Strength psi D790 25000
Flexural Modulus psi 400000 600000
Compressive Strength psi D695 20000
Compressive Modulus psi D695 50000
Hardness, Rockwell R D785 R126 (M100)
IZOD Impact Strength Notched ft-lb/in D256 1
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10-⁵ in./in./°F) D256 2.6
Heat Deflection Temp at 264 psi °F 320
Melting Temperature °F D3418 644
Max Operating Temp °F 480
Thermal Conductivity BTU-in/ft²-hr-°F C177 1.75
Electrical PropertiesUnitsASTMResults
Dielectric Strength. 1/8″ th. V/mil D149 480
Dielectric Constant @1 MHz D150 3.3
Dissipation Factor @1 MHz D150 0.003
Volume Resistivity, 50% RH ohm-cm D257 4.9 x 10¹⁶

NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.

Applications

  • Pump gears, wear plates
  • Insulators, connectors
  • Seals, washers
  • Bearings, bushings
  • Machine omponents for semicondutor, electrical, medical, food processing
  • Aerospace parts

Advantages

  • Excellent chemical resistance
  • Very low moisture absorption
  • Good wear and abrasion resistance
  • Unaffected by continuous exposure to hot water or steam
  • Good radiation resistance
  • Excellent flexural, impact, and tensile characteristics
  • High strength alternative to fluoropolymers

Grades

  • Unfilled
  • Glass filled
  • Carbon Filled

NOTE: Several grades of this material are available. For additional information regarding this plastic, contact your Emco Industrial Plastics representative or call 973-862-4148.

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