Covestro DUREFLEX® PT1700S TPU

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Covestro DUREFLEX® PT1700S TPU
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Characterization: Dureflex PT1700S is a specially formulated aromatic polyether based film. Properties / Applications: Dureflex PT1700S is for applications requiring high moisture vapor transmission. Dureflex PT1700S maintains mechanical properties essentially equivalent to a conventional polyether TPU, yet this material allows water vapor to pass through it at a rate of 3 to 5 times greater. This material is intended for thin gauge film. Dureflex PT1700S is supplied on a polyethylene carrier. As with any product, use of Dureflex PT1700 in a given application must be tested (including but not limited to field testing) in advance by the user todetermine suitability. Information provided by Covestro
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Physical Properties	Metric	English	Comments

Specific Gravity	1.24 g/cc	1.24 g/cc	ASTM D792
Water Vapor Transmission	600 g/m²/day	38.6 g/100 in²/day	@ 1mil; E-96B Upright Cup
	5700 g/m²/day	367 g/100 in²/day	@ 1mil; D701-01 Mocon

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	80	80	ASTM D2240
Tensile Strength, Ultimate	36.5 MPa	5300 psi	MD/CD Ave; ASTM D882
Elongation at Yield	600 %	600 %	Ultimate; ASTM D882
100% Modulus	5.52 MPa @Strain 100 %	801 psi @Strain 100 %	MD/CD Ave; ASTM D882
300% Modulus	11.0 MPa @Strain 300 %	1600 psi @Strain 300 %	MD/CD Ave; ASTM D882
Tear Strength	52.6 kN/m	300 pli	MD/CD Ave; ASTM D1004

Thermal Properties	Metric	English	Comments
Softening Point	146 - 172 °C	295 - 342 °F	ASTM E2347-004

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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PCOVEST0764 / 202547

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