PT-500K Epoxy Primer is a low VOC epoxy polyamide solvent primer which conforms to and exceeds MILPRF-23377 Rev. F, G, H, J & K TY. I, CL. 2. This product is on the Navy QPD ( PRODUCTS DATAbase) as PT-500 GIC. .PT-500KIC2 is highly recommended for use on aluminum and other metallic surfaces to insure maximum protection against corrosion. PT-500K Epoxy Primer also insures maximum adhesion of PTI TUF/FILM coating, polyurethane, epoxy, enamel, lacquer or any finish coats. This Primer is intended to be used for aircraft, marine, original e manufacturing and all other industrial applications.