Phenolic - PF Phenol Formaldehyde Cotton Filled; Medium Shock

Advantages

Low density compared with other filled phenolics.

Disadvantages

Lowest tensile strength and flexural modulus compared with other filled phenolics.

Typical Properties

Property

Value

Density   (g/cm3)

1.37

Surface Hardness

RM100

Tensile Strength (MPa)

41

Flexural Modulus (GPa)

5.7

Notched Izod (kJ/m)

0.024

Linear Expansion (/°C x 10-5)

2.6

Elongation at Break (%)

0.9

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

150

Water Absorption (%)

0.8

Oxygen Index (%)

25

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

10

Dielectric Strength (MV/m)

11

Dissipation Factor1kHz

0.06

Dielectric Constant  1kHz

11

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

170

Material Drying  hrs @ °C

5 @ 40

Melting Temp. Range (°C)

60 -  80

Mould Shrinkage (%)

0.8

Mould Temp. Range (°C)

160 - 170

Applications

Under bonnet applications. Switchgear connectors. Housings.

 

Source : Abstracted from Plascams

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

 

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