Lubrizol Estane® 58437 Thermoplastic Polyurethane

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Lubrizol Estane® 58437 Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	Type: Estane® 58437 is an 85A aromatic polyester-based thermoplastic polyurethane (TPU). Features: Excellent cold temperature properties and improved heat resistance. Uses: Blown and flat die/cast film extrusion and tubing and profile extrusion. Information Provided by The Lubrizol Corporation
Key Words:	TPU
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Physical Properties	Metric	English	Comments

Specific Gravity	1.19 g/cc	1.19 g/cc	ASTM D792
Maximum Moisture Content	0.020	0.020

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	82 - 88 @Time 5.00 sec	82 - 88 @Time 0.00139 hour	ASTM D2240
Tensile Strength	42.7 MPa	6190 psi	ASTM D412
Elongation at Break	560 %	560 %	ASTM D412
100% Modulus	5.50 MPa @Strain 100 %	798 psi @Strain 100 %	ASTM D412
300% Modulus	9.70 MPa @Strain 300 %	1410 psi @Strain 300 %	ASTM D412
Tear Strength	24.5 kN/m	140 pli	Trouser; ASTM D470
Graves Tear Strength	78.9 kN/m	450 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	23 @Load 1.00 kg	23 @Load 2.20 lb	H-18 wheel; ASTM D3389
Tensile Set	12 %	12 %	200% elongation; ASTM D412

Thermal Properties	Metric	English	Comments
Melting Point	167 °C	333 °F	DSC
	168 °C	334 °F	Kofler
Glass Transition Temp, Tg	-40.0 °C	-40.0 °F	DSC

Optical Properties	Metric	English	Comments
Haze	5.4 %	5.4 %	pressed between glass; ASTM D1003

Processing Properties	Metric	English	Comments
Zone 1	182 °C	360 °F	Extrusion
Zone 2	188 °C	370 °F	Extrusion
Zone 3	193 °C	379 °F	Extrusion
Zone 4	199 °C	390 °F	Extrusion
Adapter Temperature	199 °C	390 °F	5, Extrusion
Die Temperature	199 °C	390 °F	Zone 1, 6, Extrusion
	199 °C	390 °F	Zone 2, Extrusion
Drying Temperature	104 °C	219 °F
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour
Dew Point	-40.0 °C	-40.0 °F

Descriptive Properties
Volume Swell in Jet fuel (JP8)	4.9%		24h/23°C, ASTM D471

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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