Covestro Desmopan® DP 1490A Polyurethane

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Covestro Desmopan® DP 1490A Polyurethane (discontinued **)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Extrusion- and injection molding grade; suitable for extrusion blow molding; high melt stability; very large processing window; Application; Bellows; Injection molded engineering parts; O-strings; Hoses, non-reinforced 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	Original Value	Comments

Density	1.22 g/cc	ISO 1183

Mechanical Properties	Original Value	Comments
Hardness, Shore A	92	ISO 868
Hardness, Shore D	40	ISO 868
Tensile Strength, Ultimate	53.0 MPa	200 mm/min; DIN 53504
Tensile Stress at Strain	3.30 MPa @Strain 10 %	200 mm/min; DIN 53504
	7.20 MPa @Strain 50 %	200 mm/min; DIN 53504
	8.80 MPa @Strain 100 %	200 mm/min; DIN 53504
	16.4 MPa @Strain 300 %	200 mm/min; DIN 53504
Elongation at Break	568 %	200 mm/min; DIN 53504
Tensile Modulus	0.0350 GPa @Temperature 60.0 °C	storage; ISO 6721-1,-4
	0.0640 GPa @Temperature 20.0 °C	storage; ISO 6721-1,-4
	1.10 GPa @Temperature -20.0 °C	storage; ISO 6721-1,-4
Rebound	30 %	Resilience; ISO 4662
Tear Strength	93.0 kN/m	500 mm/min; ISO 34-1
Abrasion	35	mm³, Method A; ISO 4649
Compression Set	24 % @Temperature 23.0 °C	72 hr; ISO 815
	50 % @Temperature 70.0 °C	24 hr; ISO 815
	39 % @Temperature 70.0 °C, Time 86400 sec	Method C; ISO 815

Processing Properties	Original Value	Comments
Melt Temperature	185 - 210 °C	Extrusion
	200 - 220 °C	Injection
Mold Temperature	20.0 °C	Injection
Drying Temperature	80.0 °C

**
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PB09776 / 92616

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