Ethylenetetrafluoroethylene - ETFE 30% Glass Fibre Filled

May 9 2001

Polymer Type

Thermoplastic

Advantages

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

Disadvantages

Reduced elongation at break and impact strength compared with unmodified ETFE. Incorporation of glass can produce anisotropic mouldings.

Typical Properties

Property

Value

Density (g/cm3)

1.89

Surface Hardness

RR80

Tensile Strength (MPa)

96.4

Flexural Modulus (GPa)

7.2

Notched Izod (kJ/m)

0.4

Linear Expansion  (/°C x 10-5)

3

Elongation at Break (%)

4

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

160

Water Absorption (%)

0.02

Oxygen Index (%)

31

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

16

Dielectric Strength (MV/m)

20

Dissipation Factor 1kHz

0.003

Dielectric Constant  1kHz

3.4

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

237

Material. Drying  hrs @ (°C)

NA

Melting Temp. Range (°C)

310 - 350

Mould Shrinkage (%)

0.25

Mould Temp. Range (°C)

100 - 150

Applications

Bearings in aggressive environments. Pump impellors, vanes, gears and bodies.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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