Huntsman IROGRAN® A 88 H 4622 TPU-Polyester

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Huntsman IROGRAN® A 88 H 4622 TPU-Polyester
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	Introduction: IROGRAN A 88 H 4622 is a black colored thermoplastic polyether/polyester-polyurethane for injection molding and extrusion applications. Additional characteristics of the product are high extrudability and low-adhesion surfaces. Performance Features: High hydrolysis resistance Low-adhesion surfaces Good melt flow High production rates High wear resistance Applications: For the production of jackets for high pressure hoses, jacket material for cables hoses, profiles.
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Physical Properties	Original Value	Comments

Density	1.12 g/cc	Injection molded parts
Linear Mold Shrinkage	0.0040 in/in	Injection molded; ASTM D955
Melt Index of Compound	75 g/10 min @Load 21.6 kg, Temperature 190 °C	MVR, [cm³/10 min]

Mechanical Properties	Original Value	Comments
Hardness, Shore A	88	Injection molded parts; ASTM D2240
Hardness, Shore D	36	Injection molded parts; ASTM D2240
Tensile Strength at Break	39.0 MPa	Injection molded parts; DIN 53504
Elongation at Break	650 %	Injection molded parts; DIN 53504
100% Modulus	0.00700 GPa @Strain 100 %	Injection molded parts; DIN 53504
300% Modulus	0.0110 GPa @Strain 300 %	Injection molded parts; DIN 53504
Tear Strength	371 pli	Injection molded parts; ASTM D624
Abrasion	45	mm³, Injection molded; ISO 4649
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	122 - 175 °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

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 go back to viewing the property data in MatWeb's normal format.

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