Styrene Acrylonitrile - SAN UV Stabilised

Sep 18 2001

Polymer Type

Thermoplastic

Advantages

Improved resistance to degradation from weathering, high colour retention and clarity compared with unmodified SAN.

Disadvantages

Slightly lower tensile strength and flexural modulus than unmodified SAN.

Typical Properties

Property

Value

Density (g/cm3)

1.08

Surface Hardness

RM79

Tensile Strength (MPa)

70

Flexural Modulus (GPa)

3.5

Notched Izod (kJ/m)

0.025

Linear Expansion  (/°C x 10-5)

7

Elongation at Break (%)

2.5

Strain at Yield (%)

2

Max. Operating Temp. (°C)

55

Water Absorption (%)

0.25

Oxygen Index (%)

18

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

15

Dielectric Strength (MV/m)

22

Dissipation Factor 1kHz

0.01

Dielectric Constant  1kHz

3

HDT @ 0.45 MPa (°C)

96

HDT @ 1.80 MPa (°C)

84

Material. Drying  hrs @ (°C)

1.5@80

Melting Temp. Range (°C)

220 - 270

Mould Shrinkage (%)

0.6

Mould Temp. Range (°C)

50 -  80

Applications

Reflectors, various other household and technical items subject to the outdoors.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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