The weatherability of standard DURANATETM grades and the inherent advantages of HDI polyisocyanate – together with far shorter drying time.
| Grade | Solids (wt%) |
NCO (wt%) |
Viscosity (mPa・s, 25°C) |
Solvents contained |
Special properties |
|---|---|---|---|---|---|
| 21S-75E | 75 | 15.5 | 170 | Ethyl acetate | Low-temp. curing |
| MFA-75B | 75 | 13.7 | 250 | n-Butyl acetate | Excellent weatherability High cross-linking density |
| MHG-80B | 80 | 15.1 | 900 | n-Butyl acetate | Higher hardness Excellent weatherability High cross-linking density |
Drying time ‒ comparison with standard grades at 23℃, 50% RH
Drying time
Cotton ball test
