The 3M™ Bare-Metal Seam Sealer, 8310 is a two-part epoxy designed for sealing bare metal seams with built-in corrosion inhibitors. Its heavy-bodied, non-sag formula ensures easy application and a smooth finish that matches OEM seam appearances. This fast-setting sealer is paintable in just 15 minutes and provides excellent flexibility, preventing shrinking or cracking over a wide range of temperatures. Ideal for use on vertical and horizontal bare metal surfaces, it is perfect for trunk pans and overlapping sheet metal repairs.

Brand: 3M™
Model: Bare-Metal Seam Sealer, 8310
Volume: 6.8 fl. oz. (200 ml)
Type: Two-part epoxy with corrosion inhibitors
Work Time: 8 minutes
Paintable: Paintable in 15 minutes
Formula: Non-sag, heavy-bodied, non-flowing
Application: Seals bare metal seams, ideal for trunk pans and overlapping sheet metal
Temperature Range: Flexible over a wide temperature range without shrinking or cracking

✔ Fast Setup: 8-minute work time and can be painted within 15 minutes for quick repairs
✔ Corrosion Protection: Corrosion inhibitors allow application without a base primer coat
✔ Flexible & Durable: Resists shrinking and cracking over a wide temperature range
✔ Non-Sag Formula: Easy to apply, non-sagging, and non-flowing for precise application
✔ Increased Visibility: Beige color provides better visibility in low-light areas like trunk pans