LAUCO Zinc Coat Weld-Thru Primer 15.5 oz, Pack of 2, Zinc Rich Spray for Welding, Anti-Corrosion Coating for Bare Metal, MIG & Spot Welding Safe, Fast Dry Industrial Primer 37518

Formulated with high zinc content to provide superior corrosion protection between metal surfaces, even after welding. Helps prevent rust formation in welded joints and hidden areas. Designed for weld-through applications including MIG and spot welding. Maintains conductivity while minimizing weld spatter and heat-affected zones for cleaner welds. Provides excellent adhesion directly to steel and untreated metal surfaces, creating a durable protective layer before welding or painting. Features a controlled spray pattern that ensures smooth and even coverage, minimizing waste and allowing precise application on large or detailed surfaces. Built for contractors, workshops, and serious DIY users who need reliable, high-performance adhesive for consistent results across multiple applications.