EngiRef / Plastics Properties

PEEK (Polyether Ether Ketone)

PEEK (Polyether Ether Ketone) (PEEK): plastics engineering material. Density 1320 kg/m³. Yield 100 MPa, ultimate 100 MPa. Elastic modulus 3.6 GPa.

plastics

Specification

Name
PEEK (Polyether Ether Ketone)
Category
plastics
Designation
PEEK
Applications
Aerospace components, Medical implants, Bearings, Seals, Wire coating
Notes
Premium engineering plastic. Continuous use to 250°C. Biocompatible. Very expensive.

Properties

Properties for PEEK (Polyether Ether Ketone)
PropertyValue
Density1320 kg/m³
Tensile Strength Yield100 MPa
Tensile Strength Ultimate100 MPa
Elastic Modulus3.6 GPa
Poissons Ratio0.4
Thermal Conductivity0.25 W/(m·K)
Thermal Expansion47 µm/(m·K)
Specific Heat320 J/(kg·K)
Melting Point343 °C
HardnessRockwell B: M99