Polyurethane Thermoplastic Elastomer - PU TPE 70A

Sep 10 2001

Polymer Type

Thermoplastic

Advantages

Good energy absorption. Best low temperature characteristics and elongation at break of the PU TPE (70A - 95A).

Disadvantages

Lowest hardness, tensile strength, flexural modulus and PU TPE (70A - 95A).

Typical Properties

Property

Value

Density (g/cm3)

1.06

Surface Hardness

SA70

Tensile Strength (MPa)

24

Flexural Modulus (GPa)

0.003

Notched Izod (kJ/m)

1.06+

Linear Expansion  (/°C x 10-5)

15

Elongation at Break (%)

700

Strain at Yield (%)

N/Y

Max. Operating Temp. (°C)

70

Water Absorption (%)

0.1

Oxygen Index (%)

19

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

16

Dielectric Strength (MV/m)

22

Dissipation Factor 1kHz

0.008

Dielectric Constant  1kHz

3.5

HDT @ 0.45 MPa (°C)

20-

HDT @ 1.80 MPa (°C)

20-

Material. Drying  hrs @ (°C)

4 @ 90

Melting Temp. Range (°C)

195 - 230

Mould Shrinkage (%)

1.5

Mould Temp. Range (°C)

20 -  55

Applications

Hydraulic seals, gaskets, bearings, grommets, nuts, film, sheet, tubing, profiles.

 

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

 

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