Polyester - DMC; Fire Retardant

Aug 21 2001

Advantages

Significantly less flammable than standard polyester DMC’s, also highest surface hardness.

Disadvantages

Highest density and low volume resistance compared with other polyester DMC’s.

Typical Properties

Property

Value

Density (g/cm3).

1.9

Surface Hardness

RM125

Tensile Strength (MPa)

40

Flexural Modulus (GPa)

9

Notched Izod (kJ/m)

0.4

Linear Expansion (/°C x 10-5)

2.5

Elongation at Break (%)

2

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

130

Water Absorption (%)

0.25

Oxygen Index (%)

34

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

13

Dielectric Strength (MV/m)

13

Dissipation Factor1kHz

0.01

Dielectric Constant  1kHz

5

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

210

Material Drying  hrs @ °C

NA

Melting Temp. Range (°C)

20 -  50

Mould Shrinkage (%)

0.25

Mould Temp. Range (°C)

120 - 160

Applications

Grab handles, arc shields, and switchgears.

 

Source : Abstracted from Plascams

For more information on Plascams please visit The Rubber and Plastics Research Association

 

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