Covestro Desmopan® 9864DU TPU

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Covestro Desmopan® 9864DU TPU
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Injection molding grade; very good hydrolysis and microbial resistance; very good low-temperature impact strength; opaque; Cylindrical pellets; Application; Boot shells; Technical parts Mechanical property data for samples at 50% RH. Information provided by Covestro
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Physical Properties	Metric	English	Comments

Specific Gravity	1.16 g/cc	1.16 g/cc	ISO 1183-1

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	98	98	ISO 868
Hardness, Shore D	61	61	ISO 868
Tensile Strength, Ultimate	55.0 MPa	7980 psi	200 mm/min; DIN 53504
Elongation at Break	420 %	420 %	200 mm/min; DIN 53504
Tensile Modulus	0.220 GPa @Temperature 60.0 °C	31.9 ksi @Temperature 140 °F	storage; ISO 6721-1,-4
	0.610 GPa @Temperature 20.0 °C	88.5 ksi @Temperature 68.0 °F	storage; ISO 6721-1,-4
	1.28 GPa @Temperature -20.0 °C	186 ksi @Temperature -4.00 °F	storage; ISO 6721-1,-4
50% Modulus	20.0 MPa @Strain 50 %	20.0 MPa @Strain 50 %	200 mm/min; DIN 53504
100% Modulus	24.0 MPa @Strain 100 %	3480 psi @Strain 100 %	200 mm/min; DIN 53504
200% Modulus	37.0 MPa @Strain 200 %	5370 psi @Strain 200 %	200 mm/min; DIN 53504
Flexural Modulus	0.310 GPa	45.0 ksi	2 mm/min; ISO 178
Rebound	55 %	55 %	Resilience; ISO 4662
Tear Strength	140 kN/m	799 pli	500 mm/min; ISO 34-1
Abrasion	28	28	mm3; ISO 4649 method A
Compression Set	46 % @Temperature 23.0 °C, Time 259000 sec	46 % @Temperature 73.4 °F, Time 72.0 hour	ISO 815
	47 % @Temperature 70.0 °C, Time 86400 sec	47 % @Temperature 158 °F, Time 24.0 hour	ISO 815

Processing Properties	Metric	English	Comments
Melt Temperature	220 - 265 °C	428 - 509 °F
Mold Temperature	40.0 - 60.0 °C	104 - 140 °F
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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PCOVEST0728 / 202511

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