Polystyrene - PS 2% Silicone Lubricated

Polymer Type

Thermoplastic

Advantages

Lubrication improves both granule flow and melt plasticisation during moulding or extrusion.

Disadvantages

Material cloudiness can result if lubricant content is too high. Slightly reduced tensile strength compared with unmodified PS.

Typical Properties

Property

Value

Density (g/cm3)

1.07

Surface Hardness

RM70

Tensile Strength (MPa)

30

Flexural Modulus (GPa)

3

Notched Izod (kJ/m)

0.02

Linear Expansion  (/°C x 10-5)

7

Elongation at Break (%)

2

Strain at Yield (%)

1.4

Max. Operating Temp. (°C)

50

Water Absorption (%)

0.08

Oxygen Index (%)

18

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

15

Dielectric Strength (MV/m)

20

Dissipation Factor 1kHz

0.0002

Dielectric Constant  1kHz

2.6

HDT @ 0.45 MPa (°C)

90

HDT @ 1.80 MPa (°C)

80

Material. Drying  hrs @ (°C)

NA

Melting Temp. Range (°C)

200 - 250

Mould Shrinkage (%)

0.5

Mould Temp. Range (°C)

20 -  50

Applications

Food packaging - cartons and containers. Toys. Cases for business machines. Clothes hangers. Packs for cosmetics / pharmaceuticals. Trays.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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