Huntsman IROGRAN® A 80 H 4826 TPU-Polyester

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Huntsman IROGRAN® A 80 H 4826 TPU-Polyester
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	Introduction: IROGRAN A 80 H 4826 is a thermoplastic polyester-polyurethane for injection molding applications. Additional characteristics of this product are excellent mechanical properties and high tear strength. Performance Features: high wear resistance medium crystallinity low hardness increase of productivity easy coloring Applications: For the production of general injection molding, screens, wheels and rollers, buffers, shoe heal lifts
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Physical Properties	Original Value	Comments

Density	1.19 g/cc	Injection molded parts; ISO 2781
Linear Mold Shrinkage	0.0085 in/in
Melt Index of Compound	20 g/10 min @Load 21.6 kg, Temperature 190 °C	MVR, [cm³/10 min]

Mechanical Properties	Original Value	Comments
Hardness, Shore A	81	Injection molded parts; ISO 868
Hardness, Shore D	30	Injection molded parts; ISO 868
Tensile Strength at Break	5700 psi	Injection molded parts; ISO 37
Elongation at Break	600 %	Injection molded parts; ISO 37
100% Modulus	0.00500 GPa @Strain 100 %	Injection molded parts; ISO 37
300% Modulus	0.0101 GPa @Strain 300 %	Injection molded parts; ISO 37
Rebound	44 %	Bayshore
Tear Strength	550 pli	Injection molded parts; ISO 34B
Abrasion	25	mm³, Injection molded; ISO 4649
Compression Set	20 % @Temperature 22.8 °C, Time 252000 sec	Injection molded; ISO 815
	35 % @Temperature 70.0 °C, Time 86400 sec	Injection molded; ISO 815

Thermal Properties	Original Value	Comments
Melting Point	165 - 173 °C	0.025" extruded film,

Processing Properties	Original Value	Comments
Nozzle Temperature	383 °F
Zone 1	374 °F
Zone 2	401 °F
Zone 3	383 °F
Drying Temperature	185 °F
Dry Time	2.00 hour
Dew Point	-30.0 °C

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PHUQ091 / 159464

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