Covestro Desmopan® 588 E Polyurethane

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Covestro Desmopan® 588 E Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Extrusion- and injection molding grade; improved microbial resistance; Improved hydrolysis resistance; Application; Cable sheathings; Hoses, non-reinforced; Roof lining 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	1.15 g/cc	ISO 1183

Mechanical Properties	Original Value	Comments
Hardness, Shore A	88	ISO 868
Hardness, Shore D	33	ISO 868
Tensile Strength, Ultimate	39.1 MPa	200 mm/min; DIN 53504
Tensile Stress at Strain	2.00 MPa @Strain 10 %	200 mm/min; DIN 53504
	4.80 MPa @Strain 50 %	200 mm/min; DIN 53504
	6.30 MPa @Strain 100 %	200 mm/min; DIN 53504
	11.6 MPa @Strain 300 %	200 mm/min; DIN 53504
Elongation at Break	576 %	200 mm/min; DIN 53504
Tensile Modulus	0.0200 GPa @Temperature 60.0 °C	ISO 6721-1,-4
	0.0290 GPa @Temperature 20.0 °C	ISO 6721-1,-4
	0.165 GPa @Temperature -20.0 °C	ISO 6721-1,-4
Rebound	36 %	Resilience; ISO 4662
Tear Strength	55.0 kN/m	500 mm/min; ISO 34-1
Abrasion	60	mm³, Method A; ISO 4649
Compression Set	25 % @Temperature 23.0 °C	72 hr; ISO 815
	35 % @Temperature 70.0 °C	24 hr; ISO 815
	26 % @Temperature 70.0 °C, Time 86400 sec	Method C; DIN 815-1

Processing Properties	Original Value	Comments
Melt Temperature	190 - 210 °C
	210 - 230 °C
Mold Temperature	20.0 - 40.0 °C
Drying Temperature	80.0 °C

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PB09766 / 92606

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