Songhan Plastic Technology Co.,Ltd.

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
  Online Service   lookpolymers   27660005
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 Comments
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
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
% as HCl
Descriptive Properties Value Comments
Isocyanate Equivalent Weight 136.5
NCO Content wt% 30.8
Copyright © All Rights Reserved