EnviroClaw™ Formaldehyde Free Pre-Cat White Primer was developed using our breakthrough solvent borne Clean Cure™ Technology. This exceptional technology platform provides a HAPs free, Formaldehyde Free, 550 VOC compliant, fast dry, easy sanding pre-catalyzed primer and helps create a safer work environment and improving indoor air quality once a project is installed. EnviroClaw™ Formaldehyde Free Pre-Cat White Primer is GREENGUARD certified and was specially formulated for use as the first coat under EnviroMax™ Formaldehyde Free Pre-catalyzed White/Opaque Lacquer. It exhibits very good adhesion on wood, particleboard and hard boards. EnviroClaw™ Formaldehyde Free Pre-Cat White Primer, has outstanding holdout over porous surfaces such as soft wood and untempered hard board, it sands very well to produce an excellent base coat, and was specially developed for filling the open pores on MDF board.