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Dow PAPI™ 580 N Polymeric MDI

Category	Fluid , Polymer
Manufacturer	Dow Chemical
Trade Name	PAPI™
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Dow PAPI™ 580 N Polymeric MDI.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

PAPI™ 580 N polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This product has high functionality (value of 3.0) and relatively high viscosity. Recommended for use in polyisocyanurate rigid foams, this product imparts good resistance to heat distortion, excellent strength properties at low densities and improved humid age stability. Information provided by Dow

Physical Properties	Metric	English
Density	1.24 g/cc	0.0448 lb/in³
Viscosity	700 cP	700 cP
Molecular Weight	375 g/mol	375 g/mol
Vapor Pressure	<= 1.33e-8 bar	<= 0.0000100 torr
Storage Temperature	24.0 - 41.0 °C	75.2 - 106 °F

Thermal Properties	Metric	English	Comments
CTE, linear	645 µm/m-°C @Temperature 20.0 °C	358 µin/in-°F @Temperature 68.0 °F	volumetric
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	>= 399 °F	Closed Cup; ASTM D93

Chemical Properties	Metric	English	Comments
Acid Value	0.040	0.040	% as HCl

Descriptive Properties	Value	Comments
Isocyanate Equivalent Weight	136.5
NCO Content wt%	30.8

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