Polyphenylene Sulphide - PPS Glass Fibre and Bead Reinforced

Sep 7 2001

Polymer Type

Thermoplastic

Advantages

Good cost/performance ratio. Better heat distortion temperature and flexural modulus than 40% glass fibre reinforced PPS.

Disadvantages

Reduced volume resistivity, dielectric strength, tensile strength, elongation at break and notched izod impact strength when compared with 40% glass fibre reinforced PPS.

Typical Properties

Property

Value

Density (g/cm3)

1.8

Surface Hardness

RR121

Tensile Strength (MPa)

91

Flexural Modulus (GPa)

13.8

Notched Izod (kJ/m)

0.031

Linear Expansion  (/°C x 10-5)

2.8

Elongation at Break (%)

0.6

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

200

Water Absorption (%)

0.03

Oxygen Index (%)

53

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

15.3

Dielectric Strength (MV/m)

13.4

Dissipation Factor 1kHz

0.017

Dielectric Constant  1kHz

4.6

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

244

Material. Drying  hrs @ (°C)

6 @150

Melting Temp. Range (°C)

315 - 360

Mould Shrinkage (%)

0.3

Mould Temp. Range (°C)

40 - 140

Applications

Automotive headlamps, housings, sensors, under-bonnet parts exposed to oil, petrol and hydraulic fluid, boxes for electronic circuits. Coil bobbins, connectors, relays and circuit breakers. Pumps and valves for the chemical and petrochemical industries. Precision mechanical parts.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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