Huntsman IROGRAN® A 85 H 4508 TPU-Polyester

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Huntsman IROGRAN® A 85 H 4508 TPU-Polyester
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	Introduction: IROGRAN A 85 H 4508 is a thermoplastic polyester- polyurethane for injection molding applications. Additional characteristics of the product are excellent mechanical properties and high tear strength. Performance Features: Easy demolding High production rates Dynamically highly loadable High demolding stability Recyclable Applications: For the production of mining screens, casual shoe soles conveyor rollers, top lifts, wheels and rollers
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Physical Properties	Original Value	Comments

Density	1.17 g/cc	Injection molded parts
Linear Mold Shrinkage	0.0050 in/in	Injection molded; ASTM D955
Melt Index of Compound	50 g/10 min @Load 21.6 kg, Temperature 190 °C	MVR, [cm³/10 min]

Mechanical Properties	Original Value	Comments
Hardness, Shore A	85	Injection molded parts; ASTM D2240
Hardness, Shore D	34	Injection molded parts; ASTM D2240
Tensile Strength at Break	40.0 MPa	Injection molded parts; DIN 53504
Elongation at Break	650 %	Injection molded parts; DIN 53504
100% Modulus	0.00600 GPa @Strain 100 %	Injection molded parts; DIN 53504
300% Modulus	0.0130 GPa @Strain 300 %	Injection molded parts; DIN 53504
Tear Strength	399 pli	Injection molded parts; DIN 53515
Abrasion	30	mm³, Injection molded; DIN 53516
Compression Set	25 % @Temperature 22.8 °C, Time 86400 sec	Injection molded; ASTM D395
	40 % @Temperature 70.0 °C, Time 86400 sec	Injection molded; ASTM D395

Thermal Properties	Original Value	Comments
Melting Point	137 - 200 °C

Processing Properties	Original Value	Comments
Feed Temperature	25.0 - 40.0 °C	Extrusion
Middle 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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