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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