Plasti-Kote Metal Spray Primer offers ultimate metal protection with a non-sanding formula for areas of moderate corrosion. The primer is quick and easy to apply and fast drying. Available in a range of colours. For protection from severe corrosion use Plasti-Kote Zinc Primer which actually fuses to the surface it is applied to. Drying time: touch dry in 20 - 40 minutes, thoroughly dry in 2 - 4 hours. Coverage: approximately 2.23m² per tin. PKT10600 metal primer has the following specifications: Colour: Red Oxide. Pack size: 400ml.