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	Metric	English	Comments

Specific Gravity	1.16 g/cc	1.16 g/cc	ISO 2781
Maximum Moisture Content	0.050	0.050
Melt Flow	15 - 35 g/10 min @Load 8.70 kg, Temperature 210 °C	15 - 35 g/10 min @Load 19.2 lb, Temperature 410 °F

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	98	98	ISO 868
Hardness, Shore D	55	55	ISO 868
Tensile Strength, Ultimate	46.0 MPa	6670 psi	ISO 37
Elongation at Break	500 %	500 %	ISO 37
Tensile Modulus	0.0910 GPa	13.2 ksi	ISO 527
50% Modulus	14.5 MPa @Strain 50 %	14.5 MPa @Strain 50 %	ISO 37
100% Modulus	17.0 MPa @Strain 100 %	2470 psi @Strain 100 %	ISO 37
300% Modulus	28.0 MPa @Strain 300 %	4060 psi @Strain 300 %	ISO 37
Rebound	32 %	32 %	ISO 4662
Tear Strength	133 kN/m	759 pli	with incision; ISO 34B
	163 kN/m	930 pli	without incision; ISO 34B
Abrasion	30	30	mm³; ISO 4649
Compression Set	26 % @Temperature 22.0 °C, Time 252000 sec	26 % @Temperature 71.6 °F, Time 70.0 hour	ISO 815
	44 % @Temperature 70.0 °C, Time 86400 sec	44 % @Temperature 158 °F, Time 24.0 hour	ISO 815

Thermal Properties	Metric	English	Comments
Vicat Softening Point	132 °C	270 °F	A50; ISO 306

Processing Properties	Metric	English	Comments
Feed Temperature	40.0 °C	104 °F	Injection
Nozzle Temperature	210 - 220 °C	410 - 428 °F	Injection
Zone 1	200 - 210 °C	392 - 410 °F	Injection
Zone 2	210 - 220 °C	410 - 428 °F	Injection
Zone 3	210 - 220 °C	410 - 428 °F	Injection
Zone 4	215 - 225 °C	419 - 437 °F	Injection
Drying Temperature	100 °C	212 °F
Dry Time	2.00 - 3.00 hour	2.00 - 3.00 hour
Dew Point	-30.0 °C	-22.0 °F

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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