Phenolic - PF Phenol Formaldehyde Laminate; Cotton Fabric

Advantages

Highest elongation at break compared with other phenolic laminates.

Disadvantages

Lowest tensile strength, flexural modulus and surface hardness compared with other phenolic laminates.

Typical Properties

Property

Value

Density   (g/cm3)

1.33

Surface Hardness

RM105

Tensile Strength (MPa)

70

Flexural Modulus (GPa)

6.3

Notched Izod (kJ/m)

0.05

Linear Expansion (/°C x 10-5)

2

Elongation at Break (%)

1.2

Strain at Yield (%)

N/A

Max. Operating Temp. (°C)

105

Water Absorption (%)

0.78

Oxygen Index (%)

25

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

10

Dielectric Strength (MV/m)

10

Dissipation Factor1kHz

0.047

Dielectric Constant  1kHz

4.8

HDT @ 0.45 MPa (°C)

260+

HDT @ 1.80 MPa (°C)

170

Material Drying  hrs @ °C

NA

Melting Temp. Range (°C)

NA

Mould Shrinkage (%)

NA

Mould Temp. Range (°C)

NA

Applications

General industrial use. Printed circuit boards.

 

Source : Abstracted from Plascams

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

 

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