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	Original Value	Comments

Density	1.20 g/cc	ISO 1183-1

Mechanical Properties	Original Value	Comments
Hardness, Shore A	86	ISO 868
Hardness, Shore D	33	ISO 868
Tensile Strength, Ultimate	41.8 MPa	DIN 53504; DIN 53504
Tensile Stress at Strain	1.60 MPa @Strain 10 %	DIN 53504; DIN 53504
	4.50 MPa @Strain 50 %	DIN 53504; DIN 53504
	5.80 MPa @Strain 100 %	DIN 53504; DIN 53504
	14.4 MPa @Strain 300 %	DIN 53504; DIN 53504
Elongation at Break	541 %	200 mm/min; DIN 53504
Tensile Modulus	0.0240 GPa @Temperature 60.0 °C	storage; ISO 6721-1,-4
	0.0360 GPa @Temperature 20.0 °C	storage; ISO 6721-1,-4
	0.183 GPa @Temperature -20.0 °C	storage; ISO 6721-1,-4
Rebound	57 %	Resilience; ISO 4662
Tear Strength	84.0 kN/m	500 mm/min; ISO 34-1
Abrasion	12	Method A; ISO 4649
Compression Set	13 % @Temperature 23.0 °C, Time 259000 sec	ISO 815
	16 % @Temperature 70.0 °C, Time 86400 sec	Method C; ISO 815-1
	23 % @Temperature 70.0 °C, Time 86400 sec	ISO 815

Processing Properties	Original Value	Comments
Melt Temperature	230 - 240 °C	Injection
Mold Temperature	20.0 - 40.0 °C	Injection
Drying Temperature	80.0 °C

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PBA108 / 26702

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