Polytetrafluoroethylene (PTFE) (Teflon) Chemical Properties

Element Properties

Reference

Polytetrafluoroethylene (Teflon) Chemical Properties

Polytetrafluoroethylene


IUPAC name	Polytetrafluoroethylene
Systematic name	poly(tetrafluoroethylene)
Other names	Teflon, PTFE
Identifiers
Abbreviations	PTFE
CAS number	9002-84-0
Properties
Molecular formula	C_nF_2n
Density	2200 kg m⁻³
Melting point	327 °C
Structure and properties	n, ε_r, etc.
Thermodynamic data	Phase behaviour Solid, liquid, gas
Spectral data	UV, IR, NMR, MS
Young's modulus	0.5 GPa
Yield strength	23 MPa
Coefficient of friction	0.05-0.10 (measured against polished stainless steel)
Dielectric constant	ε=2.1,tan⁡(δ)<5(-4)
Dielectric constant (60 Hz)	ε=2.1,tan⁡(δ)<2(-4)
Dielectric strength (1 MHz)	60 MV/m
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

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Source: Wikipedia article Polytetrafluoroethylene