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Dow PAPI™ 27 Polymeric MDI

Category Fluid , Polymer
Manufacturer Dow Chemical
Trade Name PAPI™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
PAPI™ 27 polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This product has a narrow molecular weight distribution and a high reactivity. Applicable to many foam processes, this product is compatible with rigid polyether and polyester polyols, making it suitable for a full range of low- to high-density semi-rigid foams, rigid foams and structural RIM processing.Information provided by Dow
Physical Properties Metric English Comments
Density 1.23 g/cc
0.0444 lb/in³
Viscosity 150 - 220 cP
150 - 220 cP
Viscosity Measurement 5.0 - 10
5.0 - 10
[cps/mo.] Viscosity growth
Molecular Weight 340 g/mol
340 g/mol
Vapor Pressure <= 1.30e-8 bar
<= 0.00000975 torr
Thermal Properties Metric English Comments
CTE, linear 1170 µm/m-°C

@Temperature 20.0 °C
650 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
Chemical Properties Metric English Comments
Acid Value 0.017
0.017
HCl content, %
Descriptive Properties Value Comments
NCO Content % 31.4
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