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	Original Value	Comments

Density	1.11 g/cc	ASTM D792
Linear Mold Shrinkage	0.0080 in/in	ASTM D995
Melt Flow	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	cm³/10 min

Mechanical Properties	Original Value	Comments
Hardness, Shore A	87	ASTM D2240
Hardness, Shore D	38	ASTM D2240
Tensile Strength at Break	40.0 MPa	DIN 53504
Elongation at Break	700 %	ASTM D412
100% Modulus	0.00730 GPa @Strain 100 %	DIN 53504
300% Modulus	0.0110 GPa @Strain 300 %	DIN 53504
Rebound	38 %	Bayshore; ASTM D2632
Tear Strength	560 pli	ASTM D624
Abrasion	35	[mm³]; ISO 4649
Compression Set	24 % @Temperature 23.0 °C, Time 252000 sec	ASTM D395
	42 % @Temperature 70.0 °C, Time 86400 sec	ASTM D395

Thermal Properties	Original Value	Comments
Melting Point	155 - 175 °C	Huntsman/TMA

Processing Properties	Original Value	Comments
Feed Temperature	25.0 - 35.0 °C	Injection
	25.0 - 40.0 °C	Extrusion
Nozzle Temperature	180 - 190 °C	Extrusion
	185 - 200 °C	Injection
Adapter Temperature	175 - 185 °C	Extrusion
Die Temperature	185 - 195 °C	Extrusion
Mold Temperature	20.0 - 50.0 °C	Injection

Descriptive Properties
Heating Zone	185-195°C	Injection

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PHU9930 / 150390

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