Lubrizol Estane® 58252 Thermoplastic Polyurethane

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Lubrizol Estane® 58252 Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyether Grade
Material Notes:	Type: Estane® 58252 is a 70A polyether-type thermoplastic polyurethane (TPU). Features: Formulated to have one of the highest MVT values within the thermoplastic polyurethane class. It is also among the softest grades. Extruded or solution cast films of Estane 58252 TPU are non-porous and have very high moisture vapor transmission rates. Uses: Intended for cast film and solution coating applications. Available in 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	1.20 g/cc	1.20 g/cc	ASTM D792
Water Vapor Transmission	850 g/m²/day	54.7 g/100 in²/day	23°C, 50% RH, Water; ASTM E96B

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	70	70	ASTM D2240
Hardness, Shore D	22	22	ASTM D2240
Tensile Strength, Ultimate	19.3 MPa	2800 psi	ASTM D412; ASTM D638
Tensile Strength, Yield	9.00 MPa	1310 psi	500% elongation; ASTM D412; ASTM D638
Elongation at Break	800 %	800 %	ASTM D412; ASTM D638
Tensile Modulus	0.00670 GPa	0.972 ksi	400% elongation; ASTM D412; ASTM D638
100% Modulus	2.80 MPa @Strain 100 %	406 psi @Strain 100 %	ASTM D412; ASTM D638
200% Modulus	3.60 MPa @Strain 200 %	522 psi @Strain 200 %	ASTM D412; ASTM D638
300% Modulus	4.70 MPa @Strain 300 %	682 psi @Strain 300 %	ASTM D412; ASTM D638
Tear Strength	68.4 kN/m	390 pli	Trouser; ASTM D470
Graves Tear Strength	47.3 kN/m	270 pli	Die C; ASTM D624
Taber Abrasion, mg/1000 Cycles	140 @Load 1.00 kg	140 @Load 2.20 lb	H-18 wheel; ASTM D3389-94
Tensile Set	7.0 %	7.0 %	200% elongation; ASTM D412

Thermal Properties	Metric	English	Comments
Melting Point	130 °C	266 °F	DSC
Vicat Softening Point	47.0 °C	117 °F	ASTM D1525
Glass Transition Temp, Tg	-28.0 °C	-18.4 °F	DSC

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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