Covestro Desmopan® 453 DPS 041 TPU

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Covestro Desmopan® 453 DPS 041 TPU
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Injection molding grade; grease and oil-resistant; hydrolysis-stabilized; low compression set; good wear resistance; Application; Injection molded engineering parts; Automotive engineering; Coupling elements Mechanical property data for samples at 50% RH. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.22 g/cc	ISO 1183-1

Mechanical Properties	Original Value	Comments
Hardness, Shore A	97	ISO 868
Hardness, Shore D	51	ISO 868
Tensile Strength, Ultimate	5500 psi	200 mm/min; DIN 53504
Elongation at Break	472 %	200 mm/min; DIN 53504
Tensile Modulus	110 MPa @Temperature 60.0 °C	storage; ISO 6721-1,-4
	240 MPa @Temperature 20.0 °C	storage; ISO 6721-1,-4
	1780 MPa @Temperature -20.0 °C	storage; ISO 6721-1,-4
50% Modulus	0.0151 GPa @Strain 50 %	200 mm/min; DIN 53504
100% Modulus	0.0183 GPa @Strain 100 %	200 mm/min; DIN 53504
200% Modulus	0.0306 GPa @Strain 200 %	200 mm/min; DIN 53504
Rebound	30 %	Resilience; ISO 4662
Tear Strength	180 kN/m	500 mm/min; ISO 34-1
Abrasion	32	mm3; ISO 4649 method A
Compression Set	15 % @Temperature 23.0 °C, Time 259000 sec	ISO 815
	27 % @Temperature 70.0 °C, Time 86400 sec	ISO 815

Processing Properties	Original Value	Comments
Melt Temperature	220 - 240 °C
Mold Temperature	20.0 - 40.0 °C
Drying Temperature	110 °C

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PCOVEST0684 / 202467

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