1001 Zinc Etch Yellow Primer Base ST (2 Pack, 1:1 Ratio with Hardener) is a high-performance, self-etching zinc primer engineered for excellent adhesion and long-term corrosion protection on steel and other ferrous metal surfaces. This two-component system Base + Hardener chemically etches the metal surface, forming a strong, durable foundation for subsequent coating systems. Designed for industrial, automotive, and professional applications, this primer ensures reliable curing, uniform coverage, and enhanced durability in demanding environments.