High Impact Polystyrene - HIPS UV Stabilised

Polymer Type

Thermoplastic

Advantages

Addition of UV stabilisers overcomes the yellowing and brittleness associated with prolonged exposure to sunlight of unmodified HIPS.

Disadvantages

Reduced tensile strength and notched impact strength compared with non-stabilised grade.

Typical Properties

Property

Value

Density (g/cm3)

1.10

Surface Hardness

RM30

Tensile Strength (MPa)

40

Flexural Modulus (GPa)

2.1

Notched Izod (kJ/m)

0.08

Linear Expansion  (/°C x 10-5)

7

Elongation at Break (%)

5

Strain at Yield (%)

1

Max. Operating Temp. (°C)

50

Water Absorption (%)

0.2

Oxygen Index (%)

18

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

15

Dielectric Strength (MV/m)

15

Dissipation Factor 1kHz

0.0006

Dielectric Constant  1kHz

2.8

HDT @ 0.45 MPa (°C)

85

HDT @ 1.80 MPa (°C)

75

Material. Drying  hrs @ (°C)

2 @ 70

Melting Temp. Range (°C)

210 - 270

Mould Shrinkage (%)

0.5

Mould Temp. Range (°C)

20 -  50

Applications

Toys, casings for domestic appliances, automotive instrument panels and fittings, trays.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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