MDI Carbodiimide-Modified Crosslinker (Liquid MDI)
CAS 29679-58-1
In StockMOQ
200 kg
Lead Time
10–15 days
Packaging
200 kg nitrogen-blanketed steel drums
Specifications
| NCO Content | 28.0–30.0% |
| Functionality | ~2.1 |
| Melting Point | Liquid at room temperature |
| Viscosity (25°C) | 20–60 mPa·s |
| MDI Monomer Content | <5% |
FAQ
Pure 4,4'-MDI solidifies at ~38°C, requiring constant heating during processing. Carbodiimide modification (partial dimerisation to carbodiimide linkages) depresses the melting point to below 0°C, yielding a liquid product at room temperature with reduced vapour pressure and lower free monomer content. This simplifies metering, mixing, and handling in 2K PU systems without requiring drum heaters.
Interested in MDI Carbodiimide-Modified Crosslinker (Liquid MDI)?
Get a quote, request a sample, or ask a technical question.