Enhance your paint projects with High Teck’s 3903 all-purpose adhesion promoter from Weco Supply Company. It boosts the performance of enamel, lacquer, urethane topcoats, sealers, and basecoats on most surfaces. The premium sprayhead provides an even application like a spray gun, perfect for flexible and rigid plastic parts. Improve adhesion, reduce flaking, and get professional results with this versatile promoter. Upgrade your toolkit now at Weco Supply Company.