3M 08528 - Epoxy Seam Sealer (Black, 200mL)

3M 08528 Epoxy Seam Sealer (Black, 200 mL) is a professional-grade two-component epoxy seam sealer designed for automotive collision repair and refinishing applications. This epoxy-based formula delivers strong adhesion and long-lasting sealing performance to help protect panel joints from moisture intrusion and corrosion.

Formulated for use on properly prepared and primed surfaces, the epoxy construction provides enhanced durability and resistance compared to conventional seam sealers. The black color makes it ideal for OEM-style seam replication in applications where a dark factory appearance is required, including underbody and structural seam areas. The 200 mL dual-cartridge system is designed for use with compatible applicator guns and mixing nozzles to ensure proper blending and consistent bead application.

Key Features

• 200 mL Dual Cartridge: Designed for use with compatible epoxy applicator systems
• Two-Component Epoxy Formula: High-strength, durable seam sealing performance
• Black Color: Suitable for OEM-style dark seam appearance
• Corrosion Protection: Helps seal panel joints against moisture intrusion
• Refinishing Compatible: Designed for automotive collision repair workflows
• Professional Grade: Trusted in body shops and structural repair environments