Huntsman IROGRAN® A 91 P 4945 TPU-Polyester

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Huntsman IROGRAN® A 91 P 4945 TPU-Polyester
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	Introduction: IROGRAN A 91 P 4945 is a polyether based thermoplastic polyurethane intended for injection molding and extrusion applications. IROGRAN A 91 P 4945 is part of the HUNTSMAN technical extrusion product range and offers a specially designed, flexible material with high extrudability. Performance Features: High microbial resistance Excellent hydrolysis resistance High stability of melt Easy coloring Low temperature flexibility
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Physical Properties	Metric	English	Comments

Density	1.13 g/cc	0.0408 lb/in³	Injection molded parts
Linear Mold Shrinkage	0.0090 cm/cm	0.0090 in/in	Injection molded; ASTM D955
Melt Index of Compound	55 g/10 min @Load 21.6 kg, Temperature 190 °C	55 g/10 min @Load 47.6 lb, Temperature 374 °F	MVR, [cm³/10 min]

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	92	92	Injection molded parts; ASTM D2240
Hardness, Shore D	39	39	Injection molded parts; ASTM D2240
Tensile Strength at Break	45.0 MPa	6530 psi	Injection molded parts; DIN 53504
Elongation at Break	600 %	600 %	Injection molded parts; DIN 53504
100% Modulus	9.10 MPa @Strain 100 %	1320 psi @Strain 100 %	Injection molded parts; DIN 53504
300% Modulus	15.9 MPa @Strain 300 %	2310 psi @Strain 300 %	Injection molded parts; DIN 53504
Tear Strength	116 kN/m	660 pli	Injection molded parts; ASTM D624
Abrasion	30	30	mm³, Injection molded; DIN 53516

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
Middle Barrel Temperature	185 - 195 °C	365 - 383 °F	Extrusion
Nozzle Temperature	185 - 200 °C	365 - 392 °F	Injection
	190 - 200 °C	374 - 392 °F	Extrusion
Adapter Temperature	190 - 200 °C	374 - 392 °F	Extrusion
Die Temperature	190 - 200 °C	374 - 392 °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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PHUQ099 / 159472

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