Phenolic - PF Phenol Formaldehyde Natural Fibre Filled; General Purpose

Advantages

Low cost compared with other filled phenolics.

Disadvantages

Lowest elongation at break, heat distortion temperature and surface hardness compared with other filled phenolics.

Typical Properties

Property

Value

Density   (g/cm3)

1.42

Surface Hardness

RM100

Tensile Strength (MPa)

48

Flexural Modulus (GPa)

7

Notched Izod (kJ/m)

0.02

Linear Expansion (/°C x 10-5)

3.2

Elongation at Break (%)

0.6

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

150

Water Absorption (%)

0.5

Oxygen Index (%)

25

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

10

Dielectric Strength (MV/m)

12

Dissipation Factor1kHz

0.08

Dielectric Constant  1kHz

9

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

150

Material Drying  hrs @ °C

5 @ 40

Melting Temp. Range (°C)

60 -  80

Mould Shrinkage (%)

0.6

Mould Temp. Range (°C)

160 - 170

Applications

Under bonnet applications. Switchgear electrical connectors.

 

Source : Abstracted from Plascams

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

 

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