Polyester - Casting; Rigid

Significantly higher tensile strength and flexural modulus, higher HDT and dielectric strength and lower linear expansion and mould shrinkage than flexible casting polyester.

Disadvantages

Lower elongation at break and notched impact strength and higher density than flexible casting polyester.

Typical Properties

Property

Value

Density (g/cm3).

1.3

Surface Hardness

RM100

Tensile Strength (MPa)

60

Flexural Modulus (GPa)

3.4

Notched Izod (kJ/m)

0.02

Linear Expansion (/°C x 10-5)

8

Elongation at Break (%)

5

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

120

Water Absorption (%)

0.4

Oxygen Index (%)

20

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

13

Dielectric Strength (MV/m)

18

Dissipation Factor1kHz

0.02

Dielectric Constant  1kHz

4.1

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

150

Material Drying  hrs @ °C

NA

Melting Temp. Range (°C)

NA

Mould Shrinkage (%)

2

Mould Temp. Range (°C)

NA

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Applications

Decorative articles; embedding of delicate botanical or anatomical specimens; encapsulation of electrical or electronic components.

This information has been sourced, reviewed and adapted from materials provided by Dotmar EPP Pty Ltd.

For more information on this source, please visit Dotmar EPP Pty Ltd.

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