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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
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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 Comments
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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