Covestro Desmopan® 3055D Polyurethane

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Covestro Desmopan® 3055D Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	Injection molding grade; with high mechanical strength for articles subject to wear; excellent abrasion resistance; good wear resistance; very short cycle times; Application; Injection molded engineering parts; Rollers 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	96	ISO 868
Hardness, Shore D	56	ISO 868
Tensile Strength, Ultimate	53.5 MPa	200 mm/min; DIN 53504
Tensile Stress at Strain	14.0 MPa @Strain 10 %	200 mm/min; DIN 53504
	19.9 MPa @Strain 50 %	200 mm/min; DIN 53504
	22.2 MPa @Strain 100 %	200 mm/min; DIN 53504
	39.5 MPa @Strain 300 %	200 mm/min; DIN 53504
Elongation at Break	408 %	200 mm/min; DIN 53504
Tensile Modulus	0.117 GPa @Temperature 60.0 °C	ISO 6721-1,-4
	0.256 GPa @Temperature 20.0 °C	ISO 6721-1,-4
	1.20 GPa @Temperature -20.0 °C	ISO 6721-1,-4
Flexural Modulus	0.128 GPa	2 mm/min; ISO 178
Rebound	35 %	Resilience; ISO 4662
Tear Strength	136 kN/m	500 mm/min; ISO 34-1
Abrasion	26	mm³, Method A; ISO 4649
Compression Set	21 % @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; ISO 815-1

Processing Properties	Original Value	Comments
Melt Temperature	220 - 240 °C	Injection
Mold Temperature	20.0 - 40.0 °C	Injection
Drying Temperature	110 °C

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PB09784 / 92624

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