Huntsman IROGRAN® A 85 P 4441 TPU-Polyether

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Huntsman IROGRAN® A 85 P 4441 TPU-Polyether
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Ether Grade
Material Notes:	Introduction: IROGRAN A 85 P 4441 is a polyether based thermoplastic polyurethane intended for injection molding and extrusion applications. IROGRAN A 85 P 4441 is part of the HUNTSMAN technical extrusion product range and offers high extrudability and low-adhesion surfaces. Performance Features: High microbial resistance Excellent hydrolysis resistance High stability of melt High production rate Low adhesion surfaces Applications: Cables Hoses Profiles Jackets for high pressure hoses Information provided by Huntsman
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Physical Properties	Metric	English	Comments

Density	1.11 g/cc	0.0401 lb/in³	ASTM D792
Linear Mold Shrinkage	0.0080 cm/cm	0.0080 in/in	ASTM D995
Melt Flow	50 - 80 g/10 min	50 - 80 g/10 min	Melt Volume Rate (cm³/10 min)
Melt Index of Compound	65 g/10 min @Load 21.6 kg, Temperature 190 °C	65 g/10 min @Load 47.6 lb, Temperature 374 °F	cm³/10 min

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	87	87	ASTM D2240
Hardness, Shore D	38	38	ASTM D2240
Tensile Strength at Break	40.0 MPa	5800 psi	DIN 53504
Elongation at Break	700 %	700 %	ASTM D412
100% Modulus	7.30 MPa @Strain 100 %	1060 psi @Strain 100 %	DIN 53504
300% Modulus	11.0 MPa @Strain 300 %	1600 psi @Strain 300 %	DIN 53504
Rebound	38 %	38 %	Bayshore; ASTM D2632
Tear Strength	98.2 kN/m	560 pli	ASTM D624
Abrasion	35	35	[mm³]; ISO 4649
Compression Set	24 % @Temperature 23.0 °C, Time 252000 sec	24 % @Temperature 73.4 °F, Time 70.0 hour	ASTM D395
	42 % @Temperature 70.0 °C, Time 86400 sec	42 % @Temperature 158 °F, Time 24.0 hour	ASTM D395

Thermal Properties	Metric	English	Comments
Melting Point	155 - 175 °C	311 - 347 °F	Huntsman/TMA

Processing Properties	Metric	English	Comments
Feed Temperature	25.0 - 35.0 °C	77.0 - 95.0 °F	Injection
	25.0 - 40.0 °C	77.0 - 104 °F	Extrusion
Nozzle Temperature	180 - 190 °C	356 - 374 °F	Extrusion
	185 - 200 °C	365 - 392 °F	Injection
Adapter Temperature	175 - 185 °C	347 - 365 °F	Extrusion
Die Temperature	185 - 195 °C	365 - 383 °F	Extrusion
Mold Temperature	20.0 - 50.0 °C	68.0 - 122 °F	Injection

Descriptive Properties
Heating Zone	185-195°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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PHU9930 / 150390

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