Covestro Desmopan® 460 Thermoplastic Polyurethane

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Covestro Desmopan® 460 Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP; Thermoplastic Polyurethane (TPUR), Polyester Grade
Material Notes:	injection molding grade; grease and oil-resistant; low compression set; good heat resistance; high elasticity; short cycle times; Application; Automotive engineering; Technical parts; Bearing bushes As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Key Words:	TPUR
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Physical Properties	Metric	English	Comments

Density	1.22 g/cc	0.0441 lb/in³	ISO 1183

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	97	97	ISO 868
Hardness, Shore D	59	59	ISO 868
Tensile Strength, Ultimate	42.5 MPa	6160 psi	200 mm/min; DIN 53504
Tensile Stress at Strain	15.1 MPa @Strain 10 %	2190 psi @Strain 10 %	200 mm/min; DIN 53504
	22.5 MPa @Strain 50 %	3260 psi @Strain 50 %	200 mm/min; DIN 53504
	35.1 MPa @Strain 100 %	5090 psi @Strain 100 %	200 mm/min; DIN 53504
Elongation at Break	390 %	390 %	200 mm/min; DIN 53504
Tensile Modulus	0.130 GPa @Temperature 60.0 °C	18.9 ksi @Temperature 140 °F	ISO 6721-1,-4
	0.446 GPa @Temperature 20.0 °C	64.7 ksi @Temperature 68.0 °F	ISO 6721-1,-4
	1.75 GPa @Temperature -20.0 °C	254 ksi @Temperature -4.00 °F	ISO 6721-1,-4
Flexural Modulus	0.170 GPa	24.7 ksi	2 mm/min; ISO 178
Rebound	35 %	35 %	Resilience; ISO 4662
Tear Strength	150 kN/m	856 pli	500 mm/min; ISO 34-1
Abrasion	40	40	Method A; ISO 4649
Compression Set	21 % @Temperature 70.0 °C, Time 86400 sec	21 % @Temperature 158 °F, Time 24.0 hour	Method C; ISO 815-1
	25 % @Temperature 23.0 °C, Time 259000 sec	25 % @Temperature 73.4 °F, Time 72.0 hour	ISO 815
	32 % @Temperature 70.0 °C, Time 86400 sec	32 % @Temperature 158 °F, Time 24.0 hour	ISO 815

Processing Properties	Metric	English	Comments
Melt Temperature	235 - 245 °C	455 - 473 °F	Injection
Mold Temperature	20.0 - 40.0 °C	68.0 - 104 °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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