Lubrizol ESTANE® GP55DT Ether Based Thermoplastic Polyurethane

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Lubrizol ESTANE® GP55DT Ether Based Thermoplastic Polyurethane (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Ether Grade
Material Notes:	Type: Estane® GP 55DT is an aromatic polyether-based thermoplastic polyurethane (TPU). Appearance: Translucent spherical pellets Uses: Injection molding parts, animal identification tags Available in Europe Information provided by Lubrizol.
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Physical Properties	Original Value	Comments

Specific Gravity	1.16 g/cc	ISO 2781
Maximum Moisture Content	0.050
Melt Flow	15 - 35 g/10 min @Load 8.70 kg, Temperature 210 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore A	98	ISO 868
Hardness, Shore D	55	ISO 868
Tensile Strength, Ultimate	46.0 MPa	ISO 37
Elongation at Break	500 %	ISO 37
Tensile Modulus	0.0910 GPa	ISO 527
50% Modulus	0.0145 GPa @Strain 50 %	ISO 37
100% Modulus	0.0170 GPa @Strain 100 %	ISO 37
300% Modulus	0.0280 GPa @Strain 300 %	ISO 37
Rebound	32 %	ISO 4662
Tear Strength	133 kN/m	with incision; ISO 34B
	163 kN/m	without incision; ISO 34B
Abrasion	30	mm³; ISO 4649
Compression Set	26 % @Temperature 22.0 °C, Time 252000 sec	ISO 815
	44 % @Temperature 70.0 °C, Time 86400 sec	ISO 815

Thermal Properties	Original Value	Comments
Vicat Softening Point	132 °C	A50; ISO 306

Processing Properties	Original Value	Comments
Feed Temperature	40.0 °C	Injection
Nozzle Temperature	210 - 220 °C	Injection
Zone 1	200 - 210 °C	Injection
Zone 2	210 - 220 °C	Injection
Zone 3	210 - 220 °C	Injection
Zone 4	215 - 225 °C	Injection
Drying Temperature	100 °C
Dry Time	2.00 - 3.00 hour
Dew Point	-30.0 °C

**
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