1K Coatings– Are a coating that does not utilize a catalyst hardener. This is “single-component” paint that dries in the air. Nearly all aerosol spray can paints are 1K.
2K Coatings– Describes a coating that requires mixing with a catalyst hardener. Therefore, it can be very challenging to apply outside an auto body shop.
ERA Paints offers 1K coatings for all your DIY projects.