Huntsman IROGRAN® A 70 E 4675 Polyester-Based TPU-High Performance Grade

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Huntsman IROGRAN® A 70 E 4675 Polyester-Based TPU-High Performance Grade
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Polyester Grade
Material Notes:	Introduction: IROGRAN A 70 E 4675 is a softener free thermoplastic special-polyester-polyurethane for injection molding applications. Additional characteristics of the product are very short cycle times and high dimensional stability Performance Features: Easy demolding High demolding stability Short cycle times Softener-free High elasticity Applications: For the production of casual shoe soles, cable bushings, plugs, buffers. Information provided by Huntsman
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Physical Properties	Metric	English	Comments

Density	1.15 g/cc	0.0415 lb/in³	ASTM D792
Linear Mold Shrinkage	0.025 cm/cm	0.025 in/in	ASTM D995
Melt Index of Compound	30 g/10 min @Load 21.6 kg, Temperature 190 °C	30 g/10 min @Load 47.6 lb, Temperature 374 °F	cm³/10 min

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	75	75	ASTM D2240
Hardness, Shore D	25	25	ASTM D2240
Tensile Strength at Break	30.0 MPa	4350 psi	DIN 53504
Elongation at Break	650 %	650 %	ASTM D412
100% Modulus	3.30 MPa @Strain 100 %	479 psi @Strain 100 %	DIN 53504
300% Modulus	5.80 MPa @Strain 300 %	841 psi @Strain 300 %	DIN 53504
Rebound	25 %	25 %	Bayshore; ASTM D2632
Tear Strength	52.6 kN/m	300 pli	ASTM D624
Abrasion	80	80	[mm³]; ISO 4649
Compression Set	35 % @Temperature 23.0 °C, Time 252000 sec	35 % @Temperature 73.4 °F, Time 70.0 hour	ASTM D395
	58 % @Temperature 70.0 °C, Time 86400 sec	58 % @Temperature 158 °F, Time 24.0 hour	ASTM D395

Thermal Properties	Metric	English	Comments
Melting Point	125 - 190 °C	257 - 374 °F	Huntsman/TMA

Processing Properties	Metric	English	Comments
Feed Temperature	25.0 - 40.0 °C	77.0 - 104 °F	Extrusion
Front 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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PHU9901 / 150361

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