Covestro Desmopan® 9864DU TPU

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Covestro Desmopan® 9864DU TPU
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Injection molding grade; very good hydrolysis and microbial resistance; very good low-temperature impact strength; opaque; Cylindrical pellets; Application; Boot shells; Technical parts Mechanical property data for samples at 50% RH. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.16 g/cc	ISO 1183-1

Mechanical Properties	Original Value	Comments
Hardness, Shore A	98	ISO 868
Hardness, Shore D	61	ISO 868
Tensile Strength, Ultimate	7980 psi	200 mm/min; DIN 53504
Elongation at Break	420 %	200 mm/min; DIN 53504
Tensile Modulus	220 MPa @Temperature 60.0 °C	storage; ISO 6721-1,-4
	610 MPa @Temperature 20.0 °C	storage; ISO 6721-1,-4
	1280 MPa @Temperature -20.0 °C	storage; ISO 6721-1,-4
50% Modulus	0.0200 GPa @Strain 50 %	200 mm/min; DIN 53504
100% Modulus	0.0240 GPa @Strain 100 %	200 mm/min; DIN 53504
200% Modulus	0.0370 GPa @Strain 200 %	200 mm/min; DIN 53504
Flexural Modulus	310 MPa	2 mm/min; ISO 178
Rebound	55 %	Resilience; ISO 4662
Tear Strength	140 kN/m	500 mm/min; ISO 34-1
Abrasion	28	mm3; ISO 4649 method A
Compression Set	46 % @Temperature 23.0 °C, Time 259000 sec	ISO 815
	47 % @Temperature 70.0 °C, Time 86400 sec	ISO 815

Processing Properties	Original Value	Comments
Melt Temperature	220 - 265 °C
Mold Temperature	40.0 - 60.0 °C
Drying Temperature	110 °C

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PCOVEST0728 / 202511

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