Huntsman IROGRAN® A 70 E 4675 Polyester-Based TPU-High Performance Grade

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Huntsman IROGRAN® A 70 E 4675 Polyester-Based TPU-High Performance Grade
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Polyester Grade
Material Notes:	Introduction: IROGRAN A 70 E 4675 is a softener free thermoplastic special-polyester-polyurethane for injection molding applications. Additional characteristics of the product are very short cycle times and high dimensional stability Performance Features: Easy demolding High demolding stability Short cycle times Softener-free High elasticity Applications: For the production of casual shoe soles, cable bushings, plugs, buffers. Information provided by Huntsman
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Physical Properties	Original Value	Comments

Density	1.15 g/cc	ASTM D792
Linear Mold Shrinkage	0.025 in/in	ASTM D995
Melt Index of Compound	30 g/10 min @Load 21.6 kg, Temperature 190 °C	cm³/10 min

Mechanical Properties	Original Value	Comments
Hardness, Shore A	75	ASTM D2240
Hardness, Shore D	25	ASTM D2240
Tensile Strength at Break	30.0 MPa	DIN 53504
Elongation at Break	650 %	ASTM D412
100% Modulus	0.00330 GPa @Strain 100 %	DIN 53504
300% Modulus	0.00580 GPa @Strain 300 %	DIN 53504
Rebound	25 %	Bayshore; ASTM D2632
Tear Strength	300 pli	ASTM D624
Abrasion	80	[mm³]; ISO 4649
Compression Set	35 % @Temperature 23.0 °C, Time 252000 sec	ASTM D395
	58 % @Temperature 70.0 °C, Time 86400 sec	ASTM D395

Thermal Properties	Original Value	Comments
Melting Point	125 - 190 °C	Huntsman/TMA

Processing Properties	Original Value	Comments
Feed Temperature	25.0 - 40.0 °C	Extrusion
Front Barrel Temperature	165 - 190 °C	Extrusion
Nozzle Temperature	170 - 200 °C	Extrusion
	180 - 200 °C	Injection
Adapter Temperature	175 - 195 °C	Extrusion
Die Temperature	175 - 200 °C	Extrusion
Melt Temperature	170 - 195 °C	Injection
Mold Temperature	20.0 - 70.0 °C	Injection

Descriptive Properties
Heating Zone	175-195°C	Injection

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PHU9901 / 150361

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