Epoxy Resin Casting; Silica Filled

Aug 20 2001

Advantages

Highest dielectric strength and flexural modulus compared with other modified casting epoxy resins.

Disadvantages

Lowest HDT compared with other modified casting epoxy resins.

Typical Properties

Property

Value

Density (g/cm3)

1.95

Surface Hardness

SD82

Tensile Strength (MPa)

72

Flexural Modulus (GPa)

15

Notched Izod (kJ/m)

0.02

Linear Expansion (/°C x 10-5)

4

Elongation at Break (%)

1

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

130

Water Absorption (%)

0.1

Oxygen Index (%)

26

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

15

Dielectric Strength (MV/m)

22

Dissipation Factor1kHz

0.025

Dielectric Constant 1kHz

3.8

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

100

Material Drying hrs @ °C

NA

Melting Temp. Range (°C)

NA

Mould Shrinkage (%)

0.6

Mould Temp. Range (°C)

NA

Applications

Small supply transformers, end sealing of capacitor cases.

 

Source : Abstracted from Plascams

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

 

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