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Elmet Technologies

Huntsman IROGRAN® A 78 E 4588 Polyester-Based TPU-High Performance Grade
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyurethane TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Polyester Grade

Material Notes: High Hydrolysis resistance and good crystallinity. Suggested for injection molding.

Information provided by Huntsman

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Physical PropertiesMetricEnglishComments
Density 1.20 g/cc0.0434 lb/in³ASTM D792
Linear Mold Shrinkage 0.016 cm/cm0.016 in/inASTM D995
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 8080ASTM D2240
Hardness, Shore D 3030ASTM D2240
Tensile Strength at Break 50.0 MPa7250 psiDIN 53504
Elongation at Break 730 %730 %ASTM D412
100% Modulus 4.30 MPa
@Strain 100 %
624 psi
@Strain 100 %
DIN 53504
300% Modulus 8.10 MPa
@Strain 300 %
1170 psi
@Strain 300 %
DIN 53504
Rebound 48 %48 %Bayshore; ASTM D2632
Tear Strength 87.7 kN/m500 pliASTM D624
Abrasion 2525[mm3]; ISO 4649
Compression Set  30 %
@Temperature 23.0 °C,
Time 252000 sec
30 %
@Temperature 73.4 °F,
Time 70.0 hour
ASTM D395
 40 %
@Temperature 70.0 °C,
Time 86400 sec
40 %
@Temperature 158 °F,
Time 24.0 hour
ASTM D395
 
Thermal PropertiesMetricEnglishComments
Melting Point 160 - 175 °C320 - 347 °FHuntsman/TMA
 
Optical PropertiesMetricEnglishComments
Transmission, Visible 90 %90 %transparent; thickness not reported

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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