Covestro Desmopan® 487 Thermoplastic Polyurethane

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Covestro Desmopan® 487 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; short cycle times; Application; Automotive engineering; roller coating; Seals, membranes; Damping elements 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	1.20 g/cc	0.0432 lb/in³	ISO 1183-1

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	86	86	ISO 868
Hardness, Shore D	33	33	ISO 868
Tensile Strength, Ultimate	41.8 MPa	6060 psi	DIN 53504; DIN 53504
Tensile Stress at Strain	1.60 MPa @Strain 10 %	232 psi @Strain 10 %	DIN 53504; DIN 53504
	4.50 MPa @Strain 50 %	653 psi @Strain 50 %	DIN 53504; DIN 53504
	5.80 MPa @Strain 100 %	841 psi @Strain 100 %	DIN 53504; DIN 53504
	14.4 MPa @Strain 300 %	2090 psi @Strain 300 %	DIN 53504; DIN 53504
Elongation at Break	541 %	541 %	200 mm/min; DIN 53504
Tensile Modulus	0.0240 GPa @Temperature 60.0 °C	3.48 ksi @Temperature 140 °F	storage; ISO 6721-1,-4
	0.0360 GPa @Temperature 20.0 °C	5.22 ksi @Temperature 68.0 °F	storage; ISO 6721-1,-4
	0.183 GPa @Temperature -20.0 °C	26.5 ksi @Temperature -4.00 °F	storage; ISO 6721-1,-4
Rebound	57 %	57 %	Resilience; ISO 4662
Tear Strength	84.0 kN/m	479 pli	500 mm/min; ISO 34-1
Abrasion	12	12	Method A; ISO 4649
Compression Set	13 % @Temperature 23.0 °C, Time 259000 sec	13 % @Temperature 73.4 °F, Time 72.0 hour	ISO 815
	16 % @Temperature 70.0 °C, Time 86400 sec	16 % @Temperature 158 °F, Time 24.0 hour	Method C; ISO 815-1
	23 % @Temperature 70.0 °C, Time 86400 sec	23 % @Temperature 158 °F, Time 24.0 hour	ISO 815

Processing Properties	Metric	English	Comments
Melt Temperature	230 - 240 °C	446 - 464 °F	Injection
Mold Temperature	20.0 - 40.0 °C	68.0 - 104 °F	Injection
Drying Temperature	80.0 °C	176 °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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