Covestro Desmopan® 9370AU Polyurethane

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Covestro Desmopan® 9370AU Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Extrusion- and injection molding grade; with special UV stabilizers; very good hydrolysis and microbial resistance; good low-temperature flexibility; free from plasticizers; high moisture vapor transmission rate; Application; breathable films; Films; Sports shoe soles; hard - soft systems 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	1.06 g/cc	ISO 1183

Mechanical Properties	Original Value	Comments
Hardness, Shore A	70	ISO 868
Tensile Strength, Ultimate	26.8 MPa	200 mm/min; DIN 53504
Tensile Stress at Strain	2.90 MPa @Strain 100 %	200 mm/min; DIN 53504
	5.50 MPa @Strain 300 %	200 mm/min; DIN 53504
Elongation at Break	794 %	ISO 527-1/-2
Tensile Modulus	0.00900 GPa @Temperature 60.0 °C	storage; ISO 6721-1,-4
	0.0110 GPa @Temperature 20.0 °C	storage; ISO 6721-1,-4
	0.125 GPa @Temperature -20.0 °C	storage; ISO 6721-1,-4
Rebound	63 %	Resilience; ISO 4662
Tear Strength	39.0 kN/m	500 mm/min; ISO 34-1
Abrasion	69	mm³, Method A; ISO 4649
Compression Set	22 % @Temperature 23.0 °C	72 hr; ISO 815
	45 % @Temperature 70.0 °C	24; ISO 815
	36 % @Temperature 70.0 °C, Time 86400 sec	Method C; ISO 815-1

Processing Properties	Original Value	Comments
Melt Temperature	175 - 210 °C	Extrusion
	190 - 210 °C	Injection
Mold Temperature	20.0 - 40.0 °C	Injection
Drying Temperature	80.0 °C

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PB09814 / 92654

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