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Polytetrafluoroethylene – PTFE 15% Glass Fibre Filled

Polymer Type

Thermoplastic
Advantages

Improved wear, surface hardness, creep resistance and flexural modulus compared with unmodified PTFE.
Disadvantages

Lower notched impact strength, tensile strength, elongation at break and electrical characteristics than unmodified PTFE.
Typical Properties

Property


Value

Density (g/cm3)


2.2

Surface Hardness


SD68

Tensile Strength (MPa)


22

Flexural Modulus (GPa)


1.1

Notched Izod (kJ/m)


0.14

Linear Expansion (/°C x 10-5)


12.4

Elongation at Break (%)


340

Strain at Yield (%)


N/Y

Max. Operating Temp. (°C)


180

Water Absorption (%)


0.01

Oxygen Index (%)


95

Flammability UL94


V0

Volume Resistivity (log ohm.cm)


16

Dielectric Strength (MV/m)


40

Dissipation Factor 1kHz


0.002

Dielectric Constant 1kHz


2.6

HDT @ 0.45 MPa (°C)


122

HDT @ 1.80 MPa (°C)


105

Material. Drying hrs @ (°C)


NA

Melting Temp. Range (°C)


NA

Mould Shrinkage (%)


NA

Mould Temp. Range (°C)


NA

Applications

Wear pads, piston rings, and microwave oven rotating platforms.

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