What Is Etch Primer - Web etch primer is a very versatile primer that is designed to be applied directly to bare metal and should be used when you want to build up and sand down then overcoat. It uses a chemical reaction to etch (or corrode) a bare metal surface and adhere over it. Learn about its benefits, drawbacks, application tips and compatibility issues in this comprehensive guide. Web etch primer is a special coating for metal surfaces that creates a rough texture and a strong bond for paint. Etch primers also protect against corrosion.
Etch primers also protect against corrosion. Web etch primer is a very versatile primer that is designed to be applied directly to bare metal and should be used when you want to build up and sand down then overcoat. Web etch primer is a special coating for metal surfaces that creates a rough texture and a strong bond for paint. Learn about its benefits, drawbacks, application tips and compatibility issues in this comprehensive guide. It uses a chemical reaction to etch (or corrode) a bare metal surface and adhere over it.