Phenolic - PF Phenol Formaldehyde Cotton Filled; Medium Shock

Aug 21 2001

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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