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Thermoplastics

PEEK

Polyetheretherketone

Brand: Sustapeek® — Röchling

Standards: ISO 10350, ASTM D6779

FDA EU 10/2011 RoHS REACH

Overview

PEEK (Polyetheretherketone) is the premium high-performance thermoplastic. It offers exceptional mechanical properties at temperatures up to 250°C, excellent chemical resistance and inherent flame retardancy (V0). Used in aerospace, medical, semiconductor and oil & gas applications where other plastics fail.

Technical Properties

Guideline values from manufacturer datasheet. Actual values may vary by grade and dimensions.

Property Value Unit
Density 1.31 g/cm³
Tensile Strength (Yield) 110 MPa
Elongation at Break 20 %
Tensile Modulus (E) 4000 MPa
Shore Hardness 88 Scale D
Service Temp. Long-term -60 … 250 °C
Service Temp. Short-term 310 °C
Melting Temperature 343 °C
Water Absorption 0.2 %
Flammability (UL94) V0

Disclaimer: The technical data and information provided on this page are for reference and general guidance purposes only. They are based on manufacturer datasheets and standard testing conditions. Material properties can vary depending on dimensions, machining, and specific application environments. MaterialCut does not guarantee the accuracy of this data for specific use cases. For exact specifications and critical applications, please consult the original manufacturer datasheets or contact our technical team.