Huntsman IROGRAN® A 75 P 4655 N TPU-Polyester

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Huntsman IROGRAN® A 75 P 4655 N TPU-Polyester
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	Introduction: IROGRAN A 75 P 4655 N is a black colored polyether based thermoplastic polyurethane intended for injection molding applications. IROGRAN A 75 P 4655 N is a part of the HUNTSMAN injection molding product range. It is processable at low temperatures and offers a specially designed, flexible material suitable for moldings. Performance Features: Excellent ambient & low temperature flexibility Short cycle times Phthalate free Good melt flow Easy demolding Excellent hydrolysis & microbial resistance
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Physical Properties	Original Value	Comments

Density	1.12 g/cc	Injection molded; ASTM D792
Linear Mold Shrinkage	0.0080 in/in	Injection molded; ASTM D955
Melt Index of Compound	50 g/10 min @Load 10.0 kg, Temperature 190 °C	MVR, [cm³/10 min]

Mechanical Properties	Original Value	Comments
Hardness, Shore A	73	Injection molded parts; ASTM D2240
Hardness, Shore D	23	Injection molded parts; ASTM D2240
Tensile Strength at Break	30.0 MPa	0.025" extruded film,; DIN 53504
Elongation at Break	820 %	0.025" extruded film; DIN 53504
100% Modulus	0.00850 GPa @Strain 100 %	0.025" extruded film; DIN 53504
300% Modulus	0.00900 GPa @Strain 300 %	0.025" extruded film; DIN 53504
Tear Strength	257 pli	0.025" extruded film; DIN 53515
Abrasion	60	mm³, Injection molded; DIN 53516
Compression Set	23 % @Temperature 22.8 °C, Time 252000 sec	Injection molded; ASTM D395
	39 % @Temperature 70.0 °C, Time 86400 sec	Injection molded; ASTM D395

Thermal Properties	Original Value	Comments
Melting Point	122 - 155 °C	0.025" extruded film,

Processing Properties	Original Value	Comments
Feed Temperature	185 °C
Middle Barrel Temperature	185 °C
Adapter Temperature	185 °C
Die Temperature	190 °C

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PHUQ089 / 159462

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