Polyethylene Terephthalate - PET Fire Retardant

Sep 4 2001

Polymer Type

Thermoplastic

Advantages

Low flammability and propagation rates compared with unmodified PET.

Disadvantages

Fire retardant additive is very susceptible to thermal degradation. If thermal degradation should occur, noxious fumes are produced. Regrind material should not be used.

Typical Properties

Property

Value

Density (g/cm3)

1.55

Surface Hardness

RR75

Tensile Strength (MPa)

50

Flexural Modulus (GPa)

2.3

Notched Izod (kJ/m)

0.03

Linear Expansion  (/°C x 10-5)

8

Elongation at Break (%)

180

Strain at Yield (%)

3.5

Max. Operating Temp. (°C)

115

Water Absorption (%)

0.15

Oxygen Index (%)

30

Flammability UL94

V1

Volume Resistivity (log ohm.cm)

12

Dielectric Strength (MV/m)

15

Dissipation Factor 1kHz

0.005

Dielectric Constant  1kHz

3.3

HDT @ 0.45 MPa (°C)

150

HDT @ 1.80 MPa (°C)

70

Material. Drying  hrs @ (°C)

2 @130

Melting Temp. Range (°C)

260 - 280

Mould Shrinkage (%)

2

Mould Temp. Range (°C)

80 - 100

Applications

Electrical components.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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