E-Tech's Ultra-Zinc Primer is a long-lasting, rust preventing surface coating for ferrous metals. Once applied properly it creates a waterproof barrier to keep rust and corrosion out.Easy to applyCan be overpaintedFast dryingE-Tech's Ultra Zinc Primer is a zinc-based surface coating. It uses zinc particles and a resin binder to coat metal surfaces.Once applied it keeps water and air out, preventing rust and corrosion. The cathodic electrochemical corrosion protection keeps on working even if the surface suffers minor damage like scrapes or chips.Ultra Zinc Primer offers excellent electrical conductivity for welding. It's suitable for use on galvanised surfaces. It's ideal for vehicle chassis and sub-frame restoration.It's an ideal base for overpainting, offering a grey base coat.