Huntsman IROGRAN® A 92 E 4738 Polyester-Based TPU-Injection Extrusion Grade

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Huntsman IROGRAN® A 92 E 4738 Polyester-Based TPU-Injection Extrusion Grade
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Polyester Grade
Material Notes:	Introduction: IROGRAN A 92 E 4738 is a white-colored, thermoplastic special-polyester-polyurethane for injection molding applications. Additional characteristics of the product are flexibility and high mechanical resistance. Performance Features: High oil resistance Good melt flow High wear resistance Dynamically highly loadable Low-temperature flexibility Applications: For the production of tooth belts, round cords profiles, high pressure hoses. Information provided by Huntsman
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Physical Properties	Metric	English	Comments

Density	1.22 g/cc	0.0441 lb/in³	ASTM D792
Linear Mold Shrinkage	0.0080 cm/cm	0.0080 in/in	ASTM D995
Melt Index of Compound	40 g/10 min @Load 10.0 kg, Temperature 210 °C	40 g/10 min @Load 22.0 lb, Temperature 410 °F	cm³/10 min

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	92	92	ASTM D2240
Hardness, Shore D	41	41	ASTM D2240
Tensile Strength at Break	55.0 MPa	7980 psi	DIN 53504
Elongation at Break	570 %	570 %	ASTM D412
100% Modulus	8.00 MPa @Strain 100 %	1160 psi @Strain 100 %	DIN 53504
300% Modulus	24.0 MPa @Strain 300 %	3480 psi @Strain 300 %	DIN 53504
Rebound	32 %	32 %	Bayshore; ASTM D2632
Tear Strength	130 kN/m	740 pli	ASTM D624
Abrasion	25	25	[mm³]; ISO 4649
Compression Set	18 % @Temperature 23.0 °C, Time 252000 sec	18 % @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 Properties	Metric	English	Comments
Melting Point	175 - 187 °C	347 - 369 °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

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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PHU9920 / 150380

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