Red oxide primer is an anti-corrosion coating designed to stop rust formation. It can be applied directly over a rusty surface and is most ideal for exterior use. Red oxide primer serves the same function as zinc oxide primer, but has a different chemical composition. It is highly regarded for its durability, and as the name implies, is red in color. This is a High Build Zinc Phosphate paint that is actually a Primer and a Top Coat in one great for application on steel. Saving you money and time.
AVANTAGES:
Zinc Phosphate is great for anti corrosive properties.
Designed to be applied over steel.
If applying over galvanised or aluminium, then these will need etch priming in the usual way.
Reliable ansd long wearing.
Can be applied by brush or spray. If spraying,can be applied to 75 microns in one coat.