Primers with purpose
The Overlooked Power in Corrosion Protection
When it comes to protective coatings, the topcoat often steals the spotlight — but it’s the primer that quietly carries much of the responsibility for long-term corrosion protection.
As Teknos corrosion protection specialist Tomi Kontunen explains, “A good primer doesn’t just help paint stick – it actively fights corrosion. It’s the front line, especially in environments where failure isn’t an option.”
From zinc-rich epoxies that provide sacrificial cathodic protection, to dense epoxy films and inhibitors that slow chemical reactions, primers deliver tailored defences against harsh environments. But their success depends on more than chemistry — correct surface preparation, application conditions, and matching the right system to the right exposure all make the difference.
Ignoring primer choice can lead to premature failures, unnecessary maintenance costs, and safety risks. As the article stresses, every protective coating system is only as strong as its foundation.
👉 Read the full article at Protective Coatings Expert
