Lubrizol ESTANE® GP92AT Ether Based Thermoplastic Polyurethane

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Lubrizol ESTANE® GP92AT Ether Based Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Ether Grade
Material Notes:	Type: Estane® GP 92AT is an aromatic polyether-based thermoplastic polyurethane (TPU). Appearance: Translucent spherical pellets Uses: Injection molding parts Available in Europe Information provided by Lubrizol.
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Physical Properties	Original Value	Comments

Specific Gravity	1.14 g/cc	ISO 2781
Maximum Moisture Content	0.050
Melt Flow	20 - 40 g/10 min @Load 21.6 kg, Temperature 190 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore A	92	ISO 868
Tensile Strength, Ultimate	45.0 MPa	ISO 37
Elongation at Break	310 %	ISO 37
Tensile Modulus	0.0450 GPa	ISO 527
50% Modulus	0.00850 GPa @Strain 50 %	ISO 37
100% Modulus	0.0100 GPa @Strain 100 %	ISO 37
300% Modulus	0.0165 GPa @Strain 300 %	ISO 37
Rebound	36 %	ISO 4662
Tear Strength	81.0 kN/m	with incision; ISO 34B
	128 kN/m	without incision; ISO 34B
Abrasion	30	mm³; ISO 4649
Compression Set	21 % @Temperature 22.0 °C, Time 252000 sec	ISO 815
	40 % @Temperature 70.0 °C, Time 86400 sec	ISO 815

Thermal Properties	Original Value	Comments
Vicat Softening Point	114 °C	A50; ISO 306

Processing Properties	Original Value	Comments
Feed Temperature	40.0 °C	Injection
Nozzle Temperature	200 - 210 °C	Injection
Zone 1	190 - 200 °C	Injection
Zone 2	200 - 210 °C	Injection
Zone 3	200 - 210 °C	Injection
Zone 4	205 - 215 °C	Injection
Drying Temperature	100 °C
Dry Time	2.00 - 3.00 hour
Dew Point	-30.0 °C

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