Phenolic - PF Phenol Formaldehyde Mineral Filled; High Heat

Aug 21 2001

Advantages

Highest maximum operating temperature, low mould shrinkage, high tensile strength, heat distortion temperature, oxygen index and flexural modulus compared with other filled phenolics.

Disadvantages

Low notched impact strength and elongation at break compared with other filled phenolics.

Typical Properties

Property

Value

Density  (g/cm3)

1.69

Surface Hardness

RM104

Tensile Strength (MPa)

55

Flexural Modulus (GPa)

8.4

Notched Izod (kJ/m)

0.02

Linear Expansion (/°C x 10-5)

2.2

Elongation at Break (%)

0.8

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

185

Water Absorption (%)

0.2

Oxygen Index (%)

30

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

11.5

Dielectric Strength (MV/m)

12.5

Dissipation Factor1kHz

0.028

Dielectric Constant  1kHz

5.1

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

190

Material Drying  hrs @ °C

4 @ 40

Melting Temp. Range (°C)

60 -  80

Mould Shrinkage (%)

0.2

Mould Temp. Range (°C)

150 - 170

Applications

Public lighting systems, automotive under bonnet applications.

 

Source : Abstracted from Plascams

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

 

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