Ethylenetetrafluoroethylene - ETFE 30% Carbon Fibre Filled

May 9 2001

Polymer Type

Thermoplastic

Advantages

Significantly improved tensile strength, flexural modulus, heat distortion temperature, mould shrinkage and linear expansion compared with unmodified ETFE.

Disadvantages

Significantly reduced elongation at break and notched izod impact strength. Very expensive. Incorporation of carbon fibres can cause anistrophy in mouldings and negligible electrical resistance.

Typical Properties

Property

Value

Density (g/cm3)

1.73

Surface Hardness

RR80

Tensile Strength (MPa)

101

Flexural Modulus (GPa)

11.3

Notched Izod (kJ/m)

0.24

Linear Expansion  (/°C x 10-5)

1.4

Elongation at Break (%)

2

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

160

Water Absorption (%)

0.015

Oxygen Index (%)

31

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

NA

Dielectric Strength (MV/m)

NA

Dissipation Factor 1kHz

NA

Dielectric Constant  1kHz

NA

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

240

Material. Drying  hrs @ (°C)

NA

Melting Temp. Range (°C)

310 - 350

Mould Shrinkage (%)

0.2

Mould Temp. Range (°C)

100 - 150

Applications

Bearings, seal rings, piston rings, valve plugs and compressor rings.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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