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Tech Brief  > PTEF
 
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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)
Surface Hardness
Tensile Strength (MPa)
Flexural Modulus (GPa)
Notched Izod (kJ/m)
Linear Expansion (/°C x 10-5)
Elongation at Break (%)
Strain at Yield (%)
Max. Operating Temp. (°C)
Water Absorption (%)
Oxygen Index (%)
Flammability UL94
Volume Resistivity (log ohm.cm)
Dielectric Strength (MV/m)
Dissipation Factor 1kHz
Dielectric Constant 1kHz
HDT @ 0.45 MPa (°C)
HDT @ 1.80 MPa (°C)
Material. Drying hrs @ (°C)
Melting Temp. Range (°C)
Mould Shrinkage (%)
Mould Temp. Range (°C)
 2.2
SD68
22
1.1
0.14
12.4
340
N/Y
180
0.01
95
V0
16
40
0.002
2.6
122
105
NA
NA
NA
NA


 

 

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