Lubrizol ESTANE® 58245 Ether Based Thermoplastic Polyurethane

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Lubrizol ESTANE® 58245 Ether Based Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Polyurethane, TP; Thermoplastic Polyurethane, Elastomer, Ether Grade
Material Notes:	Features: High moisture vapor transmission. Good low temperature properties and elasticity. Uses: Blown and flat die/cast film extrusion. Available in Americas, Europe, Middle East, Africa, India and Asia Information provided by Lubrizol.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.21 g/cc	1.21 g/cc	ASTM D792
Water Vapor Transmission	650 g/m²/day	41.9 g/100 in²/day	23°C, 50% RH; ASTM D96B
	6500 g/m²/day @Temperature 38.0 °C	419 g/100 in²/day @Temperature 100 °F	90% RH; ASTM D6701
Maximum Moisture Content	0.020	0.020

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	77 - 83 @Time 5.00 sec	77 - 83 @Time 0.00139 hour	ASTM D2240
Tensile Strength	31.0 MPa	4500 psi	ASTM D412
Elongation at Break	700 %	700 %	ASTM D412
100% Modulus	4.50 MPa @Strain 100 %	653 psi @Strain 100 %	ASTM D412
300% Modulus	8.30 MPa @Strain 300 %	1200 psi @Strain 300 %	ASTM D412
Tear Strength	17.5 kN/m	100 pli	ASTM D470
Graves Tear Strength	61.4 kN/m	350 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	60	60	H18, 1000g; ASTM D3389
Tensile Set	10 %	10 %	200% elongation; ASTM D412

Thermal Properties	Metric	English	Comments
Melting Point	135 °C	275 °F	DSC
	135 °C	275 °F	Kofler
Glass Transition Temp, Tg	-37.0 °C	-34.6 °F	DSC

Processing Properties	Metric	English	Comments
Zone 1	171 °C	340 °F	Extrusion
Zone 2	177 °C	351 °F	Extrusion
Zone 3	182 °C	360 °F	Extrusion
Zone 4	188 °C	370 °F	Extrusion
Adapter Temperature	193 °C	379 °F	Extrusion
Die Temperature	193 °C	379 °F	Zone 1, Extrusion
	193 °C	379 °F	Zone 2, Extrusion
Drying Temperature	82.0 °C	180 °F
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour
Dew Point	-40.0 °C	-40.0 °F

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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