Covestro Desmopan® 9659DU Polyurethane

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Covestro Desmopan® 9659DU Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Extrusion- and injection molding grade; with special UV stabilizers; transparent up to 6 mm wall thickness; very good hydrolysis and microbial resistance; Application; Ski boot shells; Hoses, non-reinforced As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
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Physical Properties	Metric	English	Comments

Density	1.16 g/cc	0.0419 lb/in³	ISO 1183

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	97	97	ISO 868
Hardness, Shore D	58	58	ISO 868
Tensile Strength, Ultimate	52.7 MPa	7640 psi	200 mm/min; DIN 53504
Tensile Stress at Strain	10.9 MPa @Strain 10 %	1580 psi @Strain 10 %	200 mm/min; DIN 53504
	19.6 MPa @Strain 50 %	2840 psi @Strain 50 %	200 mm/min; DIN 53504
	25.4 MPa @Strain 100 %	3680 psi @Strain 100 %	200 mm/min; DIN 53504
	31.2 MPa @Strain 300 %	4530 psi @Strain 300 %	200 mm/min; DIN 53504
Elongation at Break	324 %	324 %	200 mm/min; DIN 53504
Tensile Modulus	0.128 GPa @Temperature 60.0 °C	18.6 ksi @Temperature 140 °F	storage; ISO 6421-1,-4
	0.502 GPa @Temperature 20.0 °C	72.8 ksi @Temperature 68.0 °F	storage; ISO 6421-1,-4
	2.00 GPa @Temperature -20.0 °C	290 ksi @Temperature -4.00 °F	storage; ISO 6421-1,-4
Flexural Modulus	0.165 GPa	23.9 ksi	2 mm/min; ISO 178
Rebound	29 %	29 %	Resilience; ISO 4662
Tear Strength	89.0 kN/m	508 pli	500 mm/min; ISO 34-1
Abrasion	20	20	mm³, Method A; ISO 4649
Compression Set	37 % @Temperature 23.0 °C	37 % @Temperature 73.4 °F	72 hr; ISO 815
	82 % @Temperature 70.0 °C	82 % @Temperature 158 °F	24 hr; ISO 815

Processing Properties	Metric	English	Comments
Melt Temperature	205 - 235 °C	401 - 455 °F	Extrusion
	220 - 240 °C	428 - 464 °F	Injection
Mold Temperature	40.0 - 60.0 °C	104 - 140 °F	Injection
Drying Temperature	110 °C	230 °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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PB09820 / 92660

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