Dow PAPI™ 94 Polymeric MDI

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Dow PAPI™ 94 Polymeric MDI
Categories:	Fluid; Polymer
Material Notes:	PAPI™ 901 polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This products low viscosity, low functionality, increased diphenylmethane diisocyanate content and increased percentage of orthopara isomers make PAPI™ 94 polymeric MDI highly versatile. This product also offers delayed gel times, which results in better flow into molds for semi-flexible and integral skin foams. Information provided by Dow
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Physical Properties	Metric	English	Comments

Density	1.234 g/cc	0.04458 lb/in³
Viscosity	50 cP	50 cP
Viscosity Measurement	<= 5.0	<= 5.0	[cps/mo.] Viscosity growth
Molecular Weight	290 g/mol	290 g/mol
Vapor Pressure	<= 1.30e-8 bar	<= 0.00000975 torr

Chemical Properties	Metric	English	Comments
Acid Value	0.030	0.030	HCl content, %

Thermal Properties	Metric	English	Comments
CTE, linear	1170 µm/m-°C @Temperature 20.0 °C	648 µin/in-°F @Temperature 68.0 °F
Specific Heat Capacity	1.80 J/g-°C	0.430 BTU/lb-°F
Thermal Conductivity	0.126 W/m-K	0.870 BTU-in/hr-ft²-°F
Boiling Point	330 °C	626 °F
Decomposition Temperature	230 °C	446 °F
Flash Point	>= 204 °C	>= 400 °F	ASTM D93 Closed Cup

Descriptive Properties
NCO Content %	32

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PDOW1399 / 30617

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