Polypropylene - PP 40% Talc Filled

Sep 6 2001

Polymer Type

Thermoplastic

Advantages

Improved stiffness, dimensional stability and reduced creep compared with 20% Talc filled PP.

Disadvantages

Slightly reduced tensile strength and elongation at break along with increased specific gravity compared with 20% Talc filled PP.

Typical Properties

Property

Value

Density (g/cm3)

1.25

Surface Hardness

RR85

Tensile Strength (MPa)

30

Flexural Modulus (GPa)

3.2

Notched Izod (kJ/m)

0.03

Linear Expansion  (/°C x 10-5)

5

Elongation at Break (%)

8

Strain at Yield (%)

4

Max. Operating Temp. (°C)

100

Water Absorption (%)

0.02

Oxygen Index (%)

18

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

16

Dielectric Strength (MV/m)

20

Dissipation Factor 1kHz

0.006

Dielectric Constant  1kHz

2.6

HDT @ 0.45 MPa (°C)

130

HDT @ 1.80 MPa (°C)

80

Material. Drying  hrs @ (°C)

NA

Melting Temp. Range (°C)

240 - 290

Mould Shrinkage (%)

0.7

Mould Temp. Range (°C)

30 -  50

Applications

Automotive "under bonnet" applications. Electrical housings.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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