NF14902 is a clear polyurethane (PU) sealer suitable for doors, chairs, and kitchen doors. It can be applied by spray gun, airless, or airmix. Fast-drying formula. Harden with NC942 (standard) or NC117 (faster drying) at 50% by volume. Reduce with standard PU thinner ND5920 or ND4291 up to 20% by volume.