Epo-chem™ RS 500P is a unique solvent-free, wet & rust tolerant epoxy primer or primer/finish protective coating. The system’s long-term performance is based on completely sealing the surface and arresting the rust totally. The use of sacrificial fillers enables it to be applied to surface standards as low as Sa 1, WJ-4 or St 2. It can be utilized as a one-coat system by brush, roller or airless spray. RS 500P and RA 500M combine to make a multi-functional, groundbreaking coating system which has been extensively used for a wide variety of applications.