Car-Rep 1K etch/acid primer is a chromate free acid primer with excellent anti-corrosion properties. Active rust protection pigments ensure optimum corrosion protection. Also suitable as a weld-through primer. Ideal on sandthroughs to bare metal. Also Suitable for aluminum galvanized metal, sanded and thoroughly cleaned. Excellent sanding properties. Quick drying time. New layer can be sprayed whenever needed. The primer has good adhesion and coverage properties and can be over coated with most car paints, including water-based paints.