Lubrizol Estane® 58144 Thermoplastic Polyurethane

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Lubrizol Estane® 58144 Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyether Grade
Material Notes:	Type: Estane® 58144 is a 65D Polyether-type thermoplastic polyurethane (TPU) compound. Features: FDA (contact Lubrizol for details). Pre-drying: 2 hours at 104C (220F) in Dehumidifying Hopper Dryer. Uses: Injection Molding Available in Americas, Europe, Middle East, Africa, India and Asia Information Provided by The Lubrizol Corporation
Key Words:	TPU
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Physical Properties	Metric	English	Comments

Specific Gravity	1.18 g/cc	1.18 g/cc	ASTM D792
Linear Mold Shrinkage	0.0050 cm/cm	0.0050 in/in

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	62 - 68	62 - 68	ASTM D2240
Tensile Strength, Ultimate	45.9 MPa	6660 psi	ASTM D412; ASTM D638
Tensile Strength, Yield	24.1 MPa	3500 psi	100% elongation; ASTM D412; ASTM D638
	38.7 MPa	5610 psi	300% elongation; ASTM D412; ASTM D638
Elongation at Break	340 %	340 %	ASTM D412; ASTM D638
Flexural Modulus	0.3097 GPa @Temperature 23.0 °C	44.92 ksi @Temperature 73.4 °F	ASTM D790
Flexural Stiffness	217.4 MPa @Temperature 23.0 °C	31530 psi @Temperature 73.4 °F	ASTM D747
Tear Strength	35.9 kN/m	205 pli	Split; ASTM D470
	170.9 kN/m	975.2 pli	Die C; ASTM D624
Compression Set	66 % @Temperature 23.0 °C, Time 79200 sec	66 % @Temperature 73.4 °F, Time 22.0 hour	ASTM D395
	93 % @Temperature 70.0 °C, Time 79200 sec	93 % @Temperature 158 °F, Time 22.0 hour	ASTM D395
Tensile Set	53 %	53 %	200% elongation; ASTM D412

Thermal Properties	Metric	English	Comments
Vicat Softening Point	102 °C	216 °F	ASTM D1525
Glass Transition Temp, Tg	-40.0 °C	-40.0 °F	DSC

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	199 °C	390 °F
Middle Barrel Temperature	240 °C	464 °F
Front Barrel Temperature	215 °C	419 °F
Nozzle Temperature	218 °C	424 °F
Melt Temperature	204 °C	399 °F
Mold Temperature	10.0 - 22.0 °C	50.0 - 71.6 °F
Drying Temperature	104 °C @Time 7200 sec	219 °F @Time 2.00 hour
Injection Pressure	68.9 - 138 MPa	10000 - 20000 psi
Back Pressure	0.345 MPa	50.0 psi
Screw Speed	20 - 50 rpm	20 - 50 rpm

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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