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Dow ISONATE™ 125MDR Pure MDI

Category Fluid , Polymer
Manufacturer Dow Chemical
Trade Name ISONATE™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
ISONATE™ 125MDR is a crystalline, pure MDI mixture is characterized by high purity, low acidity and reproducible reactivity. This difunctional product is a key ingredient in preparing prepolymers for polyurethane processing. Judicious use of polyols, extenders and additives permits the manufacture of thermoplastic polymers suitable for extrusion, injection molding or solution applications.98% 4,4`-diphenylmethane diisocyanate and 2% 2,4`-diphenylmethane diisocyanateInformation provided by Dow
Physical Properties Metric English Comments
Density 1.18 g/cc
0.0426 lb/in³
Viscosity 5.0 cP

@Temperature 43.0 °C
5.0 cP

@Temperature 109 °F
Vapor Pressure <= 1.33e-7 bar

@Temperature 43.0 °C
<= 0.000100 torr

@Temperature 109 °F
Thermal Properties Metric English Comments
Heat of Fusion 136 J/g
58.5 BTU/lb
Heat of Vaporization 360 J/g
155 BTU/lb
CTE, linear 762 µm/m-°C

@Temperature 20.0 °C
423 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 314 °C
597 °F
Decomposition Temperature 230 °C
446 °F
Flash Point >= 177 °C
>= 351 °F
Closed Cup; ASTM D93
Chemical Properties Metric English Comments
Acid Value 0.0030
0.0030
% as HCl
Processing Properties Metric English Comments
Shelf Life 1.50 Month
1.50 Month
(45 days) at 43°C, clear melt without filtration
12.0 Month
12.0 Month
at -20°C, clear melt without filtration
Descriptive Properties Value Comments
Hydrolyzable Chloride ppm 18
Isocyanate Equivalent Weight 125.5
NCO Content wt% 33.5
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