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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Shore A	92	Injection molded parts; ASTM D2240
Hardness, Shore D	39	Injection molded parts; ASTM D2240
Tensile Strength at Break	45.0 MPa	Injection molded parts; DIN 53504
Elongation at Break	600 %	Injection molded parts; DIN 53504
100% Modulus	0.00910 GPa @Strain 100 %	Injection molded parts; DIN 53504
300% Modulus	0.0159 GPa @Strain 300 %	Injection molded parts; DIN 53504
Tear Strength	660 pli	Injection molded parts; ASTM D624
Abrasion	30	mm³, Injection molded; DIN 53516

Processing Properties	Original Value	Comments
Feed Temperature	25.0 - 35.0 °C	Injection
	25.0 - 40.0 °C	Extrusion
Middle Barrel Temperature	365 - 383 °F	Extrusion
Nozzle Temperature	365 - 392 °F	Injection
	374 - 392 °F	Extrusion
Adapter Temperature	190 - 200 °C	Extrusion
Die Temperature	190 - 200 °C	Extrusion
Mold Temperature	68.0 - 122 °F	Injection

Descriptive Properties
Heating Zone	185-195°C	Injection

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PHUQ099 / 159472

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