Epoxy Resin Casting; Mineral Filled

Advantages

Slightly higher tensile strength, flexural modulus and HDT compared with aluminium filled casting epoxy resin.

Disadvantages

Lower dielectric strength than silica filled casting epoxy resin.

Typical Properties

Property

Value

Density (g/cm3)

1.92

Surface Hardness

RM106

Tensile Strength (MPa)

50

Flexural Modulus (GPa)

10

Notched Izod (kJ/m)

0.02

Linear Expansion (/°C x 10-5)

2.7

Elongation at Break (%)

1

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

130

Water Absorption (%)

0.1

Oxygen Index (%)

25

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

15

Dielectric Strength (MV/m)

16

Dissipation Factor1kHz

0.01

Dielectric Constant 1kHz

4

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

138

Material Drying hrs @ °C

NA

Melting Temp. Range (°C)

NA

Mould Shrinkage (%)

0.6

Mould Temp. Range (°C)

NA

Applications

Power transmission equipment, bus bar insulation, and switchgear insulation.

 

Source : Abstracted from Plascams

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

 

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