Covestro Desmopan® W DP89043D Polyurethane

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Covestro Desmopan® W DP89043D 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 As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
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Physical Properties	Metric	English	Comments

Density	1.08 g/cc	0.0390 lb/in³	ISO 1183

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	95	95	ISO 868
Hardness, Shore D	43	43	ISO 868
Tensile Strength, Ultimate	30.0 MPa	4350 psi	200 mm/min; DIN 53504
Tensile Stress at Strain	12.0 MPa @Strain 100 %	1740 psi @Strain 100 %	200 mm/min; DIN 53504
	18.0 MPa @Strain 300 %	2610 psi @Strain 300 %	200 mm/min; DIN 53504
Elongation at Break	700 %	700 %	ISO 527-1/-2
Tensile Modulus	0.101 GPa @Temperature 60.0 °C	14.6 ksi @Temperature 140 °F	storage; ISO 6721-1,-4
	0.143 GPa @Temperature 20.0 °C	20.7 ksi @Temperature 68.0 °F	storage; ISO 6721-1,-4
	0.230 GPa @Temperature -20.0 °C	33.4 ksi @Temperature -4.00 °F	storage; ISO 6721-1,-4
Flexural Modulus	0.0800 GPa	11.6 ksi	2 mm/min; ISO 178
Rebound	56 %	56 %	Resilience; ISO 4662
Tear Strength	96.0 kN/m	548 pli	500 mm/min; ISO 34-1
Abrasion	11	11	mm³, Method A; ISO 4649
Compression Set	41 % @Temperature 70.0 °C	41 % @Temperature 158 °F	24 hr; ISO 815

Processing Properties	Metric	English	Comments
Melt Temperature	230 - 260 °C	446 - 500 °F	Injection
Mold Temperature	40.0 - 60.0 °C	104 - 140 °F	Injection
Drying Temperature	110 °C	230 °F

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PB09829 / 92669

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