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
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	1.22 g/cc	ISO 1183

Mechanical Properties	Original Value	Comments
Hardness, Shore A	97	ISO 868
Hardness, Shore D	59	ISO 868
Tensile Strength, Ultimate	42.5 MPa	200 mm/min; DIN 53504
Tensile Stress at Strain	15.1 MPa @Strain 10 %	200 mm/min; DIN 53504
	22.5 MPa @Strain 50 %	200 mm/min; DIN 53504
	35.1 MPa @Strain 100 %	200 mm/min; DIN 53504
Elongation at Break	390 %	200 mm/min; DIN 53504
Tensile Modulus	0.130 GPa @Temperature 60.0 °C	ISO 6721-1,-4
	0.446 GPa @Temperature 20.0 °C	ISO 6721-1,-4
	1.75 GPa @Temperature -20.0 °C	ISO 6721-1,-4
Flexural Modulus	0.170 GPa	2 mm/min; ISO 178
Rebound	35 %	Resilience; ISO 4662
Tear Strength	150 kN/m	500 mm/min; ISO 34-1
Abrasion	40	Method A; ISO 4649
Compression Set	21 % @Temperature 70.0 °C, Time 86400 sec	Method C; ISO 815-1
	25 % @Temperature 23.0 °C, Time 259000 sec	ISO 815
	32 % @Temperature 70.0 °C, Time 86400 sec	ISO 815

Processing Properties	Original Value	Comments
Melt Temperature	235 - 245 °C	Injection
Mold Temperature	20.0 - 40.0 °C	Injection
Drying Temperature	110 °C

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