Polyether ether ketone
Polyether ether ketone (PEEK) is a colourless organic thermoplastic polymer in the polyaryletherketone (PAEK) family, used in engineering applications. It was originally introduced by Victrex PLC, then Imperial Chemical Industries (ICI) in the early 1980s.

Polyether ether ketone

Section Title:
Table Section Text: Polyether ether ketone (PEEK) is a colourless organic thermoplastic polymer in the polyaryletherketone (PAEK) family, used in engineering applications. It was originally introduced by Victrex PLC, then Imperial Chemical Industries (ICI) in the early 1980s.

Polyether ether ketone

Density	1320 kg/m3

Young's modulus (E)	3.6 GPa

Tensile strength (σt)	90–100 MPa

Elongation @ break	50%

notch test	55 kJ/m2

Glass temperature	143 °C

melting point	343 °C

Thermal conductivity	0.25 W/(m·K)

Water absorption, 24 hours (ASTM D 570)	0.1%

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PEEK has a glass temperature of 143 °C and melts around 343 °C.

final_sentence: PEEK has a glass temperature of 143 °C and melts around 343 °C.