Covestro Desmopan® W DP 85085A Polyurethane

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Covestro Desmopan® W DP 85085A Polyurethane
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	injection molding grade no yellowing under the action of UV light improved microbial resistance good low-temperature flexibility Improved hydrolysis resistance Application automotive interior applications 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	1.13 g/cc	0.0408 lb/in³	ISO 1183
Melt Density	0.960 g/cc @Temperature 190 °C	0.0347 lb/in³ @Temperature 374 °F

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	85	85	3s; ISO 868
Abrasion	28	28	mm³; ISO 4649
Compression Set	18 % @Temperature 23.0 °C	18 % @Temperature 73.4 °F	ISO 815
	42 % @Temperature 70.0 °C	42 % @Temperature 158 °F	ISO 815

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	1.70 J/g-°C	0.406 BTU/lb-°F	Melt
Thermal Conductivity	0.131 W/m-K	0.909 BTU-in/hr-ft²-°F	Melt

Processing Properties	Metric	English	Comments
Melt Temperature	190 - 220 °C	374 - 428 °F
Mold Temperature	20.0 - 40.0 °C	68.0 - 104 °F
Ejection Temperature	50.0 °C	122 °F
Drying Temperature	70.0 - 110 °C	158 - 230 °F
Dry Time	1.00 - 2.00 hour	1.00 - 2.00 hour	Dry Air Dryer
Moisture Content	<= 0.050 %	<= 0.050 %

Descriptive Properties
Availability	Asia Pacific
	Europe
	India
	Near East/Africa
	North America
	South and Central America
Eff. thermal diffusivity (m²/s)	8E-08

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PB09826 / 92666

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