3M 08362 - Urethane Seam Sealer (Grey, 310mL)

3M 08362 Urethane Seam Sealer (Grey, 310 mL) is a professional-grade moisture-curing urethane seam sealer designed for automotive collision repair and refinishing applications. This one-component urethane formula provides durable adhesion and flexible sealing performance to help protect panel joints against moisture intrusion and corrosion.

Formulated for use on properly prepared and primed surfaces, the sealer cures to a flexible finish that accommodates body panel movement and vibration. The 310 mL cartridge fits standard caulking-style applicator guns and is commonly used on door seams, trunk areas, floor pans, quarter panels, and structural body joints in body shop environments.

Key Features

• 310 mL Cartridge: Compatible with standard caulking-style applicator guns
• Moisture-Curing Urethane Formula: Provides strong, flexible sealing performance
• Grey Color: Suitable for applications requiring grey seam appearance
• Corrosion Protection: Helps seal joints against moisture intrusion
• Flexible After Cure: Accommodates panel movement and vibration
• Professional Grade: Trusted in automotive collision repair and restoration facilities