Do You Need To Sand Before Using Zinsser Primer?

Do You Need To Sand Before Using Zinsser Primer?

Do You Need To Sand Before Using Zinsser Primer? Zinsser primer is designed to be a two-part system that cures with ultraviolet light. The first part, the activator, contains urethane and a catalyst. The second part, the substrate, contains polyurethane and a catalyst. Sanding is not necessary before using Zinsser primer because it does not…