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 Plastic Brief

 

Tech Brief  > PU

 
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Polyurethane Thermoplastic Elastomer - PU TPE 70A

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)
Surface Hardness
Tensile Strength (MPa)
Flexural Modulus (GPa)
Notched Izod (kJ/m)
Linear Expansion (/°C x 10-5)
Elongation at Break (%)
Strain at Yield (%)
Max. Operating Temp. (°C)
Water Absorption (%)
Oxygen Index (%)
Flammability UL94
Volume Resistivity (log ohm.cm)
Dielectric Strength (MV/m)
Dissipation Factor 1kHz
Dielectric Constant 1kHz
HDT @ 0.45 MPa (°C)
HDT @ 1.80 MPa (°C)
Material. Drying hrs @ (°C)
Melting Temp. Range (°C)
Mould Shrinkage (%)
Mould Temp. Range (°C)
1.06
SA70
24
0.003
1.06+
15
700
N/Y
70
0.1
19
HB
16
22
0.008
3.5
20-
20-
4 @ 90
195 - 230
1.5
20 - 55


 

 


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

 
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