Covestro MONDUR® 501 Polyurethane

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Covestro MONDUR® 501 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Mondur 501 is an isocyanate-terminated (MDI) polyester prepolymer. Properties / Applications: Mondur 501 can be used in the formation of elastomers, microcellular shoe soles, integral skin and semi-flexible urethane foams. As with any product, use of Mondur 501 in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. Information provided by Covestro
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Physical Properties	Original Value	Comments

Specific Gravity	1.18 g/cc @Temperature 50.0 °C
	1.195 g/cc @Temperature 30.0 °C
	1.20 g/cc @Temperature 25.0 °C
Viscosity	1050 - 1450 cP
	200 cP @Temperature 50.0 °C
	750 cP @Temperature 30.0 °C
	1750 cP @Temperature 0.000 °C

Thermal Properties	Original Value	Comments
Melting Point	13.0 - 18.0 °C	Freezing Point
Flash Point	207 °C	PMCC

Optical Properties	Original Value	Comments
Gardner Color Number	<= 0.030

Descriptive Properties
Appearance	Light yellow, viscous liquid
Content	18.7-19.1%	NCO

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PCOVEST0891 / 202674

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