Chemical family: aromatic isocyanates
Synonyms: POLYMETHYLENE POLYPHENYLISOCYANATE
Description:
It is a liquid, dark brown mixture of diphenylmethane-4,4'-diisocyanate (MDI) with isomers and homologues of higher functionality. It is used in conjunction with polyols to produce rigid polyurethane foams.
Analytical Result
| Testing Items |
Unit |
Spec |
Analysis Result |
| Appearance |
|
Brown liquid |
Brown liquid |
| NCO content |
%(Wt) |
30.8-31.8 |
31.6 |
| Viscosity(25ºC) |
mpa·s |
150-220 |
173 |
| Acidity |
% |
<=0.05 |
0.01 |
| HYDROLYZABLE |
% |
0.10-0.30 |
0.11 |
| SPECIFIC GRAVITY (D25/4˚C) |
|
1.23-1.25 |
1.234 |
Packaging Drums, IBCs, tank containers and tank wagons
Storage Recommended storage temperature: + 10 to + 30 °C (in exceptional cases up to 50°C)
storage stability (ex works): 6 months if stored in moisture-tight drums
Labeling and REACH applications
This product data sheet is only valid in conjunction with the latest edition of the corresponding Safety Data Sheet. Any updating of safety-relevant information - in accordance with statutory requirements - will only be reflected in the Safety Data Sheet, copies of which will be revised and distributed. Information relating to the current classification and labeling, applications and processing methods and further data relevant to safety can be found in the currently valid Safety Data Sheet.
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