Covestro Desmopan® 89043D Thermoplastic Polyurethane

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Covestro Desmopan® 89043D Thermoplastic Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Injection molding grade; no yellowing under the action of UV light; very good hydrolysis and microbial resistance; good low-temperature flexibility; high rebound resilience; low abrasion; colored applications in the automotive, sports and leisure sectors. Mechanical property data for samples at 50% RH. Information provided by Covestro.
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Physical Properties	Original Value	Comments

Density	1.08 g/cc	ISO 1183-1

Mechanical Properties	Original Value	Comments
Hardness, Shore A	95 @Time 1.00 sec	DIN ISO 7619-1
Hardness, Shore D	43 @Time 1.00 sec	DIN ISO 7619-1
Tensile Strength, Ultimate	30.0 MPa	200mm/min; DIN 53504
Tensile Stress at Strain	12.0 MPa @Strain 100 %	200mm/min; DIN 53504
Elongation at Break	700 %	200mm/min; DIN 53504
Tensile Modulus	101 MPa @Temperature 60.0 °C	Tensile Storage Modulus; ISO 6721-1,-4
	143 MPa @Temperature 20.0 °C	Tensile Storage Modulus; ISO 6721-1,-4
	230 MPa @Temperature -20.0 °C	Tensile Storage Modulus; ISO 6721-1,-4
100% Modulus	0.0120 GPa @Strain 100 %	200 mm/min; DIN 53504
200% Modulus	0.0180 GPa @Strain 200 %	200 mm/min; DIN 53504
Flexural Modulus	80.0 MPa @Temperature 23.0 °C	2 mm/min; ISO 178
Rebound	56 %	ISO 4662
Tear Strength	96.0 kN/m	500mm/min; ISO 34-1
Abrasion	11	mm3; ISO 4649 method A
Compression Set	41 % @Temperature 70.0 °C, Time 86400 sec	DIN ISO 815-1, Method A

Processing Properties	Original Value	Comments
Melt Temperature	230 - 260 °C	injection molding
Mold Temperature	40.0 - 60.0 °C	injection molding
Drying Temperature	<= 110 °C

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PB095002 / 200073

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