Huntsman IROGRAN® A 85 P 4394 TPU-Polyether

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Huntsman IROGRAN® A 85 P 4394 TPU-Polyether
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Ether Grade
Material Notes:	Introduction: IROGRAN A 85 P 4394 is a high performance polyether based thermoplastic polyurethane intended for extrusion and injection molding applications. IROGRAN A 85 P 4394 is part of the HUNTSMAN technical extrusion product range and offers a specially designed, flexible material with a broad processing window particularly suitable for the preparation of tubing, cable jacketing and technical moldings. Performance Features: High tensile strength Excellent wear performance Excellent hydrolysis & microbial resistance Good low temperature flexibility Information provided by Huntsman
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Physical Properties	Original Value	Comments

Density	1.12 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	55 g/10 min @Load 21.6 kg, Temperature 190 °C	cm³/10 min

Mechanical Properties	Original Value	Comments
Hardness, Shore A	85	ASTM D2240
Hardness, Shore D	36	ASTM D2240
Tensile Strength at Break	45.0 MPa	DIN 53504
Elongation at Break	610 %	ASTM D412
100% Modulus	0.00700 GPa @Strain 100 %	DIN 53504
300% Modulus	0.0120 GPa @Strain 300 %	DIN 53504
Rebound	36 %	Bayshore; ASTM D2632
Tear Strength	574 pli	ASTM D624
Abrasion	25	[mm³]; ISO 4649
Compression Set	20 % @Temperature 23.0 °C, Time 252000 sec	ASTM D395
	40 % @Temperature 70.0 °C, Time 86400 sec	ASTM D395

Thermal Properties	Original Value	Comments
Melting Point	150 - 170 °C	Huntsman/TMA

Optical Properties	Original Value	Comments
Transmission, Visible	90 %	transparent; thickness not reported

Processing Properties	Original Value	Comments
Feed Temperature	25.0 - 40.0 °C	Extrusion
Front Barrel Temperature	160 - 200 °C	Extrusion
Nozzle Temperature	200 - 210 °C	Injection
Adapter Temperature	175 - 200 °C	Extrusion
Die Temperature	175 - 205 °C	Extrusion
Melt Temperature	190 - 205 °C	Injection
Mold Temperature	20.0 - 70.0 °C	Injection

Descriptive Properties
Heating Zone	170-210°C	Injection

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