Covestro Desmopan® 9665DU Polyurethane

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Covestro Desmopan® 9665DU 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; Pneumatic hoses 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	1.18 g/cc	0.0426 lb/in³	ISO 1183

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	98	98	ISO 868
Hardness, Shore D	65	65	ISO 868
Tensile Strength, Ultimate	53.4 MPa	7750 psi	200 mm/min; DIN 53504
Tensile Stress at Strain	15.8 MPa @Strain 10 %	2290 psi @Strain 10 %	200 mm/min; DIN 53504
	23.6 MPa @Strain 50 %	3420 psi @Strain 50 %	200 mm/min; DIN 53504
	28.4 MPa @Strain 100 %	4120 psi @Strain 100 %	200 mm/min; DIN 53504
	37.8 MPa @Strain 300 %	5480 psi @Strain 300 %	200 mm/min; DIN 53504
Elongation at Break	349 %	349 %	200 mm/min; DIN 53504
Tensile Modulus	0.215 GPa @Temperature 60.0 °C	31.2 ksi @Temperature 140 °F	storage; ISO 6721-1,-4
	0.816 GPa @Temperature 20.0 °C	118 ksi @Temperature 68.0 °F	storage; ISO 6721-1,-4
	2.25 GPa @Temperature -20.0 °C	326 ksi @Temperature -4.00 °F	storage; ISO 6721-1,-4
Flexural Modulus	0.270 GPa	39.2 ksi	2 mm/min; ISO 178
Rebound	40 %	40 %	Resilience; ISO 4662
Tear Strength	208 kN/m	1190 pli	500 mm/min; ISO 34-1
Abrasion	19	19	mm³, Method A; ISO 4649
Compression Set	39 % @Temperature 23.0 °C	39 % @Temperature 73.4 °F	72 hr; ISO 815
	50 % @Temperature 70.0 °C	50 % @Temperature 158 °F	24 hr; ISO 815
	28 % @Temperature 70.0 °C, Time 86400 sec	28 % @Temperature 158 °F, Time 24.0 hour	Method C; ISO 815-1

Processing Properties	Metric	English	Comments
Melt Temperature	205 - 235 °C	401 - 455 °F	Extrusion
	220 - 235 °C	428 - 455 °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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PB09822 / 92662

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