PlastiKote 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 PlastiKote 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 2.23m per tin. PKT10599 metal primer has the following specifications Colour Zinc. Pack size 400ml.