Covestro MONDUR® MA 2903 Polyurethane

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Covestro MONDUR® MA 2903 Polyurethane
Categories:	Polymer; Thermoset; Polyurethane, TS
Material Notes:	Mondur MA 2903 is an isocyanate-terminated (MDI) prepolymer based on allophanate modified 4,4 ’-diphenylmethane-diisocyanate (MDI). Properties / Applications: Mondur MA 2903 can be used as a raw material in the formation of elastomers, microcellular shoe soles, integral skin and semi-flexible urethane foams. As with any product, use of Mondur MA 2903 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	Metric	English	Comments

Specific Gravity	1.11 g/cc @Temperature 70.0 °C	1.11 g/cc @Temperature 158 °F
	1.15 g/cc @Temperature 20.0 °C	1.15 g/cc @Temperature 68.0 °F
	1.19 g/cc @Temperature 25.0 °C	1.19 g/cc @Temperature 77.0 °F
Viscosity	100 cP @Temperature 50.0 °C	100 cP @Temperature 122 °F
	300 cP @Temperature 30.0 °C	300 cP @Temperature 86.0 °F
	400 cP @Temperature 25.0 °C	400 cP @Temperature 77.0 °F
	600 cP @Temperature 15.0 °C	600 cP @Temperature 59.0 °F

Thermal Properties	Metric	English	Comments
Flash Point	>= 93.0 °C	>= 199 °F	PMCC

Descriptive Properties
Appearance	Light yellow to yellow liquid
Content	18.7-19.3%		NCO

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PCOVEST0907 / 202690

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