Covestro Desmopan® 9370A Thermoplastic Polyurethane

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Covestro Desmopan® 9370A Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Extrusion- and injection molding grade; very good hydrolysis and microbial resistance; good low-temperature flexibility; free from plasticizers; high moisture vapor transmission rate; Application; breathable films; Seals, membranes; Films; hard - soft systems; Sports shoe soles. Mechanical property data for samples at 50% RH. Information provided by Covestro.
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Physical Properties	Metric	English	Comments

Density	1.06 g/cc	0.0383 lb/in³	ISO 1183-1

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	70 @Time 1.00 sec	70 @Time 0.000278 hour	DIN ISO 7619-1
Tensile Strength, Ultimate	25.7 MPa	3730 psi	200mm/min; DIN 53504
Elongation at Break	738 %	738 %	200mm/min; DIN 53504
Tensile Modulus	0.00900 GPa @Temperature 60.0 °C	1.31 ksi @Temperature 140 °F	Tensile Storage Modulus; ISO 6721-1,-4
	0.0110 GPa @Temperature 20.0 °C	1.60 ksi @Temperature 68.0 °F	Tensile Storage Modulus; ISO 6721-1,-4
	0.125 GPa @Temperature -20.0 °C	18.1 ksi @Temperature -4.00 °F	Tensile Storage Modulus; ISO 6721-1,-4
100% Modulus	3.50 MPa @Strain 100 %	508 psi @Strain 100 %	200 mm/min; DIN 53504
200% Modulus	6.70 MPa @Strain 200 %	972 psi @Strain 200 %	200 mm/min; DIN 53504
Rebound	63 %	63 %	ISO 4662
Tear Strength	39.0 kN/m	223 pli	500mm/min; ISO 34-1
Abrasion	69	69	mm3; ISO 4649 method A, 50% RH
Compression Set	22 % @Temperature 72.0 °C, Time 82800 sec	22 % @Temperature 162 °F, Time 23.0 hour	DIN ISO 815-1
	35 % @Temperature 70.0 °C, Time 86400 sec	35 % @Temperature 158 °F, Time 24.0 hour	DIN ISO 815-1, Method C
	51 % @Temperature 70.0 °C, Time 86400 sec	51 % @Temperature 158 °F, Time 24.0 hour	DIN ISO 815-1, Method A

Processing Properties	Metric	English	Comments
Melt Temperature	175 - 210 °C	347 - 410 °F	extrusion
	190 - 210 °C	374 - 410 °F	injection molding
Mold Temperature	20.0 - 40.0 °C	68.0 - 104 °F	injection molding

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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PB095014 / 200085

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