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Elmet Technologies

Huntsman IROGRAN® A 85 D 4968 Polyester-Based TPU-Injection Extrusion 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 extrusion.

Information provided by Huntsman

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Physical PropertiesMetricEnglishComments
Density 1.20 g/cc0.0434 lb/in³ASTM D792
Linear Mold Shrinkage 0.011 cm/cm0.011 in/inASTM D995
Melt Index of Compound 28 g/10 min
@Load 21.6 kg,
Temperature 190 °C
28 g/10 min
@Load 47.6 lb,
Temperature 374 °F
cm3/10 min
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 8686ASTM D2240
Hardness, Shore D 3535ASTM D2240
Tensile Strength at Break 49.0 MPa7110 psiDIN 53504
Elongation at Break 680 %680 %ASTM D412
100% Modulus 6.50 MPa
@Strain 100 %
943 psi
@Strain 100 %
DIN 53504
300% Modulus 16.1 MPa
@Strain 300 %
2340 psi
@Strain 300 %
DIN 53504
Rebound 38 %38 %Bayshore; ASTM D2632
Tear Strength 112 kN/m640 pliASTM D624
Abrasion 2525[mm3]; ISO 4649
Compression Set  21 %
@Temperature 23.0 °C,
Time 252000 sec
21 %
@Temperature 73.4 °F,
Time 70.0 hour
ASTM D395
 38 %
@Temperature 70.0 °C,
Time 86400 sec
38 %
@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
 
Processing PropertiesMetricEnglishComments
Feed Temperature 25.0 - 40.0 °C77.0 - 104 °FExtrusion
 25.0 - 45.0 °C77.0 - 113 °FInjection
Front Barrel Temperature 180 - 205 °C356 - 401 °FExtrusion
Nozzle Temperature 180 - 205 °C356 - 401 °FExtrusion
 185 - 210 °C365 - 410 °FInjection
Adapter Temperature 180 - 205 °C356 - 401 °FExtrusion
Die Temperature 180 - 205 °C356 - 401 °FExtrusion
Mold Temperature 20.0 - 50.0 °C68.0 - 122 °FInjection
 
Descriptive Properties
Heating Zone190-210°CInjection

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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