Huntsman IROGRAN® A 78 E 4506 TPU-Polyester

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Huntsman IROGRAN® A 78 E 4506 TPU-Polyester
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	Introduction: IROGRAN A 78 E 4506 is a thermoplastic polyester- polyurethane for injection molding and extrusion applications. Additional characteristics of the product are excellent mechanical properties and high tear strength. Performance Features: High production rates Good melt flow Softener-free High oil resistance Dynamically highly loadable Applications: For the production of profiles, spiral hoses, jackets for high pressure hoses
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Physical Properties	Metric	English	Comments

Density	1.17 g/cc	0.0423 lb/in³	Injection molded
Linear Mold Shrinkage	0.0090 cm/cm	0.0090 in/in	Injection molded; ASTM D955
Melt Index of Compound	25 g/10 min @Load 21.6 kg, Temperature 190 °C	25 g/10 min @Load 47.6 lb, Temperature 374 °F	MVR, [cm³/10 min]

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	80	80	Injection molded parts; ASTM D2240
Hardness, Shore D	30	30	Injection molded parts; ASTM D2240
Tensile Strength at Break	50.0 MPa	7250 psi	Injection molded parts; DIN 53504
Elongation at Break	700 %	700 %	Injection molded parts; DIN 53504
100% Modulus	4.40 MPa @Strain 100 %	638 psi @Strain 100 %	Injection molded parts; DIN 53504
300% Modulus	8.00 MPa @Strain 300 %	1160 psi @Strain 300 %	Injection molded parts; DIN 53504
Tear Strength	60.0 kN/m	342 pli	Injection molded parts; DIN 53515
Abrasion	25	25	mm³, Injection molded; ISO 4649
Compression Set	21 % @Temperature 22.8 °C, Time 86400 sec	21 % @Temperature 73.0 °F, Time 24.0 hour	Injection molded; ASTM D395
	36 % @Temperature 70.0 °C, Time 86400 sec	36 % @Temperature 158 °F, Time 24.0 hour	Injection molded; ASTM D395

Processing Properties	Metric	English	Comments
Feed Temperature	25.0 - 40.0 °C	77.0 - 104 °F	Extrusion
Middle Barrel Temperature	165 - 190 °C	329 - 374 °F	Extrusion
Nozzle Temperature	170 - 200 °C	338 - 392 °F	Extrusion
	180 - 200 °C	356 - 392 °F	Injection
Adapter Temperature	175 - 195 °C	347 - 383 °F	Extrusion
Die Temperature	175 - 200 °C	347 - 392 °F	Extrusion
Melt Temperature	170 - 195 °C	338 - 383 °F	Injection
Mold Temperature	20.0 - 70.0 °C	68.0 - 158 °F	Injection

Descriptive Properties
Heating Zone	175-195°C		Injection

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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