2K 4:1 HS Compliant Primer (Grey) is a top quality, 2 pack acrylic primer-filler, available in Grey, it contains anti-corrosive pigments and is chromate free.

It has excellent application properties, is quick drying and is easy to sand.

It is suitable for many different substrates including correctly prepared bare steel, fiberglass and sound original finishes.

It is suitable for use under a wide variety of topcoats particularly 2K acrylics and basecoat / clear systems.

After testing this product in a busy Body shop we are please to offer you a very versatile primer that can be applied without thinner for very high build or with thinner to aid flow for normal repairs or wet on wet application.

Its fast drying and very easy to sand and doesn't shrink back – suitable for air dry, low bake and Infra Red drying