White polyurethane primer with good verticality and sandability. Ideal for MDF doors and kitchen doors, applicable by spray gun, airless, or airmix. Features high coverage for efficient application. Fast drying and easy to sand. Harden with NC942 (standard) or NC900 (slower, more elastic) at 50% by volume. Reduce with standard PU thinner ND5920 or ND4291 up to 20% by volume. Enhance your MDF projects with Novalk NF14984B for a smooth and well-covered finish.