Epoxy vs Etch Primer: Which Primer Fits Each Industrial Metal Substrate?

Epoxy vs Etch Primer: Which Primer Fits Each Industrial Metal Substrate? Epoxy vs etch primer selection should be based on the metal substrate, available surface preparation, corrosion exposure, required film build, and compatibility with the complete coating system. Etch primer is generally used as a thin adhesion-promoting pretreatment on suitable bare metals, while epoxy primer […]

Epoxy Primer as Sealer: When It Works and When a Vapor Barrier Is Required

Epoxy primer as sealer can be a practical industrial solution when the goal is to reduce substrate porosity, stabilize a properly prepared surface, or create a compatible bonding layer before the next coating. It should not automatically be treated as a moisture vapor barrier for damp concrete, rising moisture, or active vapor transmission. For EPC […]