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Dow PAPI™ 20 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™ 20 Polymeric MDI.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

PAPI™ 20 polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This product`s functionality value of 3.2 and high viscosity result in highly rigid foams. This product is designed for uses where high viscosity is required for processing polyisocyanurate foams. Information provided by Dow

Physical Properties	Metric	English
Density	1.234 g/cc	0.04458 lb/in³
Viscosity	1800 cP	1800 cP
Molecular Weight	400 g/mol	400 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	648 µm/m-°C @Temperature 20.0 °C	360 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	138
NCO Content wt%	30.4

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