Alkyd Mineral and Glass Fibre Reinforced; Fire Retardant

Advantages

Very high oxygen index (50%) compared with other modified grades of alkyd.

Disadvantages

Highest density and lowest heat distortion temperature compared with other modified grades of alkyd.

Typical Properties

Property

Value

Density (g/cm3).

2.3

Surface Hardness

RM120

Tensile Strength (MPa)

68

Flexural Modulus (GPa)

8.4

Notched Izod (kJ/m)

0.025

Linear Expansion (/°C x 10-5)

3.8

Elongation at Break (%)

0.8

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

130

Water Absorption (%)

0.19

Oxygen Index (%)

50

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

13

Dielectric Strength (MV/m)

12

Dissipation Factor1kHz

0.019

Dielectric Constant  1kHz

6.2

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

210

Material Drying  hrs @ °C

6 @ 30

Melting Temp. Range (°C)

40 -  80

Mould Shrinkage (%)

0.4

Mould Temp. Range (°C)

150 - 170

Applications

Lamp holders, sockets, relay bases, switches, coil formers and brush holders. Encapsulation of capacitors, resistors and diodes.

 

Source : Abstracted from Plascams

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

 

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