PolyEtherEtherKetone (PEEK) is a high-performance engineering thermoplastic that offers chemical and water resistance while operate at higher temperatures. Peek Unfilled is a general-purpose grade that is unreinforced and offers the highest elongation and toughness of all PEEK grades. Unfilled PEEK is available in sheet and rod forms in multiple colors including: natural (a very light brown or tan) and black colors. Black PEEK is ideal for instrument components where aesthetics is 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.
Benefits of PEEK Unfilled
Maintains shape and physical properties under extremely high temperatures (480 degrees max operating temperature)
FDA approved for repetitive food contact
Resistant to harsh chemical environments
Minimal smoke and toxic-gas emissions
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.
Semitron® ESd 480
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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Water Absorption, 24 hrs
Tensile Strength @yield
Tensile Elongation @Break
Hardness, Rockwell R
IZOD Impact Strength Notched
Coefficient of Linear Thermal Expansion
(x 10-⁵ in./in./°F)
Heat Deflection Temp at 264 psi
Max Operating Temp
Dielectric Strength. 1/8″ th.
Dielectric Constant @1 MHz
Dissipation Factor @1 MHz
Volume Resistivity, 50% RH
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.
Pump gears, wear plates
Machine omponents for semicondutor, electrical, medical, food processing
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
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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