Polyphenylene Sulphide - PPS 40% Glass Fibre Reinforced

Polymer Type

Thermoplastic

Advantages

Good combination of tensile strength and flexural modulus. Best electrical characteristics of PPS grades.

Disadvantages

Lowest oxygen index of PPS grades. Incorporation of glass can cause anisotropy in mouldings.

Applications

Coil bobbins, terminal blocks, connectors, relay components electric motor housings. Automotive headlamp bulb holders and boxes for electronic components where resistance to petrol, oil and hydraulic fluid is important.

Exhaust gas emission control valves. Pumps, valves and taps for chemical and petrochemical industries. Precision mechanical parts.

Typical Properties

Property Value
Density (g/cm3) 1.6
Surface Hardness RR123
Tensile Strength (MPa) 130
Flexural Modulus (GPa) 11.7
Notched Izod (kJ/m) 0.06
Linear Expansion (/°C x 10-5) 3.0
Elongation at Break (%) 1.2
Strain at Yield (%) N/A
Max. Operating Temp. (°C) 200
Water Absorption (%) 0.05
Oxygen Index (%) 46
Flammability UL94 V0
Volume Resistivity (log ohm.cm) 16.6
Dielectric Strength (MV/m) 17.7
Dissipation Factor 1 kHz 0.0014
Dielectric Constant 1 kHz 3.9
HDT @ 0.45 MPa (°C) 260+
HDT @ 1.80 MPa (°C) 240
Material. Drying hrs @ (°C) 6 @ 150
Melting Temp. Range (°C) 315 - 360
Mould Shrinkage (%) 0.3
Mould Temp. Range (°C) 40 - 140

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

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