Phenolic - PF Phenol Formaldehyde Glass Fibre Reinforced; High Impact

Advantages

Highest tensile strength, flexural modulus, notched izod impact strength, heat distortion temperature, surface hardness, oxygen index and dielectric strength compared with other filled phenolics.

Disadvantages

Low elongation at break and high density compared with other filled phenolics.

Typical Properties

Property

Value

Density (g/cm3)

1.70

Surface Hardness

RM115

Tensile Strength (MPa)

61

Flexural Modulus (GPa)

12.4

Notched Izod (kJ/m)

0.2

Linear Expansion (/°C x 10-5)

2

Elongation at Break (%)

0.9

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

160

Water Absorption (%)

0.2

Oxygen Index (%)

34

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

12.3

Dielectric Strength (MV/m)

13.4

Dissipation Factor1kHz

0.03

Dielectric Constant  1kHz

5.4

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

210

Material Drying  hrs @ °C

4 @ 40

Melting Temp. Range (°C)

60 -  80

Mould Shrinkage (%)

0.4

Mould Temp. Range (°C)

150 - 170

Applications

Thin section parts; small bobbins, connectors and housings.

 

Source : Abstracted from Plascams

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

 

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