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 | Type | Solids in % | % NCO on solids | Viscosity mPas at 23°C | Characteristics |
| Desmodur® N 3400 | HDI Polyisocyanate | 100 | 21.8 | 150 | High gloss, chemical and weather resistance, lightfast, high mechanical resistance |
Dispersions:
| Type | Solids in % | % OH on supply form | Viscosity mPas at 23°C | Characteristics |
| Bayhydrol® A 2457 | OH-funktional polyacrylate- dispersion | 40 | 1.1 | 1200 | Hardener for water-thinnable two- component polyurethane sealers for mineral substrates and reaction resins (epoxy, polyurethane) |
| Type | Solids in % | % NCO on solids | Viscosity mPas at 23°C | Characteristics |
| Bayhydur® XP 2451 | Hydrophilic HDI polyisocyanate | 100 | 18.6 | 1200 | Binder for high-quality waterbased two- component polyurethane floor sealers |
Sealers are applied to concrete floors in order to give adhesion to loose particles of the base layer and in order to prevent the penetration of water or chemical substances. This requires high toughness and abrasion resistance as well as high resistance against water, chemicals and solvents. 