Covestro Desmopan® 2590A Thermoplastic Polyurethane

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Covestro Desmopan® 2590A Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Extrusion- and injection molding grade; does not contain any anti-hydrolysis agent; Application; Blown films. Mechanical property data for samples at 50% RH. Information provided by Covestro.
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Physical Properties	Metric	English	Comments

Density	1.205 g/cc	0.04353 lb/in³	ISO 1183-1

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	92 @Time 1.00 sec	92 @Time 0.000278 hour	DIN ISO 7619-1
Tensile Strength, Ultimate	48.9 MPa	7090 psi	200mm/min; DIN 53504
Elongation at Break	442.2 %	442.2 %	200mm/min; DIN 53504
Tensile Modulus	0.0570 GPa @Temperature 60.0 °C	8.27 ksi @Temperature 140 °F	Tensile Storage Modulus; ISO 6721-1,-4
	0.130 GPa @Temperature 20.0 °C	18.9 ksi @Temperature 68.0 °F	Tensile Storage Modulus; ISO 6721-1,-4
	1.71 GPa @Temperature -20.0 °C	248 ksi @Temperature -4.00 °F	Tensile Storage Modulus; ISO 6721-1,-4
50% Modulus	9.40 MPa @Strain 50 %	9.40 MPa @Strain 50 %	200 mm/min; DIN 53504
100% Modulus	11.9 MPa @Strain 100 %	1730 psi @Strain 100 %	200 mm/min; DIN 53504
200% Modulus	30.1 MPa @Strain 200 %	4370 psi @Strain 200 %	200 mm/min; DIN 53504
Rebound	25 %	25 %	ISO 4662
Tear Strength	100 kN/m	571 pli	500mm/min; ISO 34-1
Abrasion	60	60	mm3; ISO 4649 method A, 50% RH
Compression Set	24 % @Temperature 72.0 °C, Time 82800 sec	24 % @Temperature 162 °F, Time 23.0 hour	DIN ISO 815-1
	39 % @Temperature 70.0 °C, Time 86400 sec	39 % @Temperature 158 °F, Time 24.0 hour	DIN ISO 815-1, Method C
	52 % @Temperature 70.0 °C, Time 86400 sec	52 % @Temperature 158 °F, Time 24.0 hour	DIN ISO 815-1, Method A

Processing Properties	Metric	English	Comments
Melt Temperature	190 - 210 °C	374 - 410 °F	extrusion
	210 - 230 °C	410 - 446 °F	injection molding
Mold Temperature	20.0 °C	68.0 °F	injection molding
Drying Temperature	<= 80.0 °C	<= 176 °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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PB095040 / 200110

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