MagnaClaw™ Black Pre-Cat Primer/Undercoater is a HAPs free, 550 VOC compliant, fast dry, easy sanding pre-catalyzed primer/undercoater. It is specially formulated for use as the first coat under black or dark colored M.L. Campbell^® Pre-catalyzed Pigmented Lacquers. It exhibits very good adhesion on wood, particleboard and hard boards and also provides excellent holdout over porous surfaces such as MDF, soft wood and untempered hard board. MagnaClaw Black Primer sands very well to produce an excellent base coat with outstanding holdout of topcoats.