SprayMax 1K Self Etching Primer Filler Light Gray | Professional Self-Etching Primer for Metal & Aluminum | Excellent Corrosion Protection & Adhesion | Automotive Spray Paint for Repairs | 11.2 oz

The SprayMax 1K Self Etch Primer Filler Gray is a professional-grade spray engineered to deliver outstanding adhesion and advanced corrosion protection on a wide range of metal substrates. Formulated with phosphoric acid and polyvinyl butyral, it chemically etches the surface for maximum bonding strength and long-lasting durability. This versatile primer is suitable for steel, galvanized steel, aluminum (including soft aluminum), E-coat, polyester surfaces, and old paint, making it ideal for automotive body repairs and restoration work. Whether you need a welding primer, a standard etch primer, or a filler primer, the build thickness can be adjusted from 0.3–2 mil to match the repair requirements. With fast drying times (dust-dry in 10–15 minutes), excellent leveling, and compatibility with all conventional topcoat and filler systems, this primer ensures a smooth and reliable foundation for automotive painting. When applied at 2 mil or more, it provides up to 3 months of weathering resistance on steel stored outdoors. Perfect for automotive refinishing, metal restoration, corrosion protection, and professional body shop use, SprayMax 1K Self Etch Primer Filler Gray delivers the performance and reliability demanded by industry professionals. Trusted by automotive experts worldwide, SprayMax sets the standard in convenience and performance – delivering body-shop quality results straight from an aerosol can. Perfect for restorations, repairs, and custom automotive projects.

• PREMIUM SPRAY PRIMER: High-performance automotive primer for automotive repair and refinishing — provides outstanding adhesion and corrosion protection on steel, galvanized steel, aluminum, and old paint.
• STRONG CORROSION RESISTANCE: Formulated with polyvinyl butyral and phosphoric acid, this grey primer actively etches the metal surface, delivering superior rust protection and secure bonding for topcoats.
• IDEAL FOR METAL & ALUMINUM: Primer Sealer perfect for steel, soft aluminum, galvanized panels, E-coat, polyester surfaces, and properly prepared old paint — excellent adhesion even on difficult substrates.
• MULTIPLE APPLICATION USES: The Self Etching Primer Filler features a variable nozzle for precise control and can be applied as a welding primer, or filler primer depending on coat thickness (0.2–2 mil). Supports 1–3 spray coats for flexible build.
• FAST DRYING & TOPCOAT READY: Dust-dry in 10–15 minutes and compatible with all conventional paint and topcoat systems. Provides up to 3 months of outdoor weathering resistance when applied at 2.0 mil (50)