Styrene Acrylonitrile - SAN Fire Retardant

Sep 18 2001

Polymer Type

Thermoplastic

Advantages

Very good flame retardant characteristics (VO>2) compared with unmodified SAN (HB).

Disadvantages

Slightly reduced tensile strength, flexural modulus and HDT, compared with unmodified SAN

Typical Properties

Property

Value

Density (g/cm3)

1.2

Surface Hardness

RR125

Tensile Strength (MPa)

70

Flexural Modulus (GPa)

3.5

Notched Izod (kJ/m)

0.02

Linear Expansion  (/°C x 10-5)

7

Elongation at Break (%)

2.5

Strain at Yield (%)

2

Max. Operating Temp. (°C)

55

Water Absorption (%)

0.3

Oxygen Index (%)

29

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

15

Dielectric Strength (MV/m)

20

Dissipation Factor 1kHz

0.01

Dielectric Constant  1kHz

3

HDT @ 0.45 MPa (°C)

90

HDT @ 1.80 MPa (°C)

84

Material. Drying  hrs @ (°C)

2 @ 85

Melting Temp. Range (°C)

220 - 250

Mould Shrinkage (%)

0.5

Mould Temp. Range (°C)

40 -  60

Applications

Computer and calculating machine housings, electronic chassis, tape spools. Consumer durable housings, fans, meter housings. Housings for reprographic machines, typewriters, cash registers, large cameras, optical equipment, precision scientific and laboratory equipment.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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