MDI Diphenylmethane Diisocyanate Properties
appearence: Brown transparent liquid ;
boiling point (℃): 200~208;
stability: stable. Incompatible with strong oxidizing agents, alcohols. May decompose in moist air, or on contact with water.
Polymeric MDI (Polymethane Polyphenyl Isocyanate) |
ITEST ITEM | UNIT | SPEC | RESULT |
Appearance |
| brown liquid | brown liquid |
Viscosity | mPa.s@25°C | 175-250 | 226 |
NCO content | %(CO) | 30-32 | 30.8 |
EHC | Mg/kg | MAX.250 | 89 |
Density | (25°C,g/cm3) | 1.22-1.25 | - |
Acid Content | (HCL) % | ≤0.05 | - |
Hydrolyzable Chlorine | % | ≤0.2 | - |
MDI Diisocyanate Applications
Isocyanates MDI is extensively application in most of field, such as thermal insulation rigid foam, PU coating, PU adhesive,
Seepage-proofing, structure foam, Automobile bumper, high resilience etc.
With good performance such as very good fluidity, very good foaming capacity, strength well, dimension stability etc.