Covestro Desmopan® DP 1485A Polyurethane

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Covestro Desmopan® DP 1485A Polyurethane (discontinued **)
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Extrusion- and injection molding grade; suitable for extrusion blow molding; very large processing window; high melt stability; Beads; Application; Bellows; Hoses, non-reinforced; Profiles; Injection molded engineering parts 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	1.22 g/cc	0.0440 lb/in³	ISO 1183

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	84	84	ISO 868
Hardness, Shore D	33	33	ISO 868
Tensile Strength, Ultimate	45.0 MPa	6530 psi	DIN 53504; DIN 53504
Tensile Stress at Strain	5.20 MPa @Strain 100 %	754 psi @Strain 100 %	DIN 53504; DIN 53504
	9.00 MPa @Strain 300 %	1310 psi @Strain 300 %	DIN 53504; DIN 53504
Elongation at Break	695 %	695 %	200 mm/min; DIN 53504
Tensile Modulus	0.0210 GPa @Temperature 60.0 °C	3.05 ksi @Temperature 140 °F	storage; ISO 6721-1,-4
	0.0310 GPa @Temperature 20.0 °C	4.50 ksi @Temperature 68.0 °F	storage; ISO 6721-1,-4
	0.290 GPa @Temperature -20.0 °C	42.1 ksi @Temperature -4.00 °F	storage; ISO 6721-1,-4
Rebound	44 %	44 %	Resilience; ISO 4662
Tear Strength	63.0 kN/m	359 pli	500 mm/min; ISO 34-1
Abrasion	30	30	mm³, Method A; ISO 4649
Compression Set	19 % @Temperature 23.0 °C	19 % @Temperature 73.4 °F	72 hr; ISO 815
	40 % @Temperature 70.0 °C	40 % @Temperature 158 °F	24; ISO 815
	29 % @Temperature 70.0 °C, Time 86400 sec	29 % @Temperature 158 °F, Time 24.0 hour	Method C; ISO 815-1

Processing Properties	Metric	English	Comments
Melt Temperature	200 - 220 °C	392 - 428 °F	Extrusion
	200 - 240 °C	392 - 464 °F	Injection
Mold Temperature	20.0 °C	68.0 °F	Injection
Drying Temperature	80.0 °C	176 °F

**
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PB09775 / 92615

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