hdi waterborneasahikasei  wt31-100   about: for high-performance coatings and water-based resins crosslinking. grade solids (wt%) nco (wt%) viscosity (mpa・s, 25°c) solvents contained special properties wt31-100 100 17.4 2,500 — excellent weatherability wl72-100 100 21.2 510 — excellent weatherability high nco content high dispersibility wb40-100 100 16.6 4,500 — adhesion wb40-80d 80 13.4 350 dedg* hydrophilic-solvent...