MDI-Based PU Sealant Prepolymer NC-8010
In StockMOQ
200 kg
Lead Time
7–14 days
Packaging
200 kg drums
Specifications
| NCO Content | 2.0–2.5% |
| Functionality | ~2.1 |
| Shore A (7 days) | 40–55 |
| Viscosity (25°C) | 60000–120000 mPa·s (paste) |
| Moisture-Cure Rate (23°C/50%RH) | 3–5 mm/day |
FAQ
Low NCO content produces a softer, more elastic cured sealant (Shore A 40–55) with higher elongation, better joint movement accommodation, and lower modulus — all critical for sealants that must absorb repeated thermal expansion and contraction in building joints or automotive bodies. Higher NCO adhesive grades cure to harder, stronger but less flexible materials.
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