A zinc chromate-free, 1K etch primer surfacer based on polyvinyl resin and phosphoric acid product. 1K E-Coat Repair Primer is easy to use and apply and offers reliable adhesion and corrosion protection on structural areas such as under carpet floors and within boots. 1K E-Coat Repair Primer may also be used as a weld-through primer. 1K E-Coat Repair Primer is made available in a range of colours, which approximate most of the original e-coat primer colours encountered in the Bodyshop.