SEM 39683 Self-Etching Primer in Gray chemically etches into bare metal for superior adhesion in automotive refinishing. This single-component acid-etch formula eliminates the need for separate metal treatment, ideal for small spot repairs, featheredge priming, and bare metal prep in collision repair.
Key Features:
- Acid-Etch Technology: Chemically bonds to bare metal — no separate metal conditioner required.
- Gray Finish: Neutral tone provides excellent hiding and a consistent base for topcoats.
- Fast Drying: Ready to topcoat in minutes for production-paced body shops.
- Multi-Metal Compatibility: Steel, aluminum, galvanized metal, and other automotive substrates.
- 16 oz Aerosol: Quick spot repairs and small panel priming without spray gun setup.
