Water-Based Polyurethane Waterproof CoatingFEATURES CONVERTS RUST TO PROTECTIVE BARRIER Instead of just covering rust, this formula chemically converts it into a stable, paintable surface. This stops corrosion at its source, preventing future rust and extending the life of your metal items. DUAL ACTION SEALING TECHNOLOGY It creates a tough, non porous barrier that effectively locks out both moisture and oxygen. This dual protection ensures your metal surfaces remain shielded from the elements,