3M 310 mL Foil Pack Gray Urethane Seam Sealer (8361)
The 3M 310 mL Foil Pack Gray Urethane Seam Sealer (8361) is a high-quality, single-component sealer designed for automotive and RV applications. This gray, 310 mL sealer provides a strong, flexible seal on bare metal, primed metal, and painted surfaces. Its moisture-curing formula ensures reliable performance in various environments, and it's paintable in just 30-45 minutes.
KEY FEATURES AND BENEFITS:
Strong Adhesion: Bonds well to bare metal, primed metal, and painted surfaces.
Moisture-Curing Formula: Ensures consistent performance in humid or hot conditions.
Flexibility After Curing: Remains flexible to prevent cracking and shrinking.
Paintable in 30-45 Minutes: Saves time on projects with a fast paint-ready time.
Thick Consistency: Fills gaps and helps prevent corrosion.
Low Odor Formula: Provides an improved user experience.
Product Code: 8361 (08361)
Size: 310 mL foil pack
Tack-Free Time: 30 minutes
Full Cure Time: 1/8 inch per 24 hours
Application: Automotive and RV seam sealing
Surface Preparation: Clean the area to be sealed, removing any dirt, grease, or loose material. For best results, apply over epoxy or urethane primer. Bare metal is also acceptable.
Application: Apply the sealer using the appropriate applicator gun for foil packs. Create a consistent bead along the seam or joint.
Smoothing (Optional): If desired, the sealer can be smoothed with a tool or brush within the work time (5-10 minutes).
Painting: The sealer can be painted after 30-45 minutes.
Cure Time: Allow 24 hours for full cure (for every 1/8 inch of thickness).
BENEFITS OF USING 3M 310 mL FOIL PACK GRAY URETHANE SEAM SEALER (8361):
Long-Lasting Seal: Provides a weather-tight seal that protects against water, dust, and air intrusion.
Prevents Corrosion: Helps prevent rust and damage, extending the life of automotive and RV components.
Convenient and Fast: The fast paint time and easy application make it ideal for both professionals and DIYers.
Single-Component Formula: Easy to apply without mixing.
Interior and Exterior Use: Suitable for both indoor and outdoor applications.
Corrosion Prevention: Effectively prevents corrosion on various substrates.
Versatile Application: Works well on primed, painted, and bare metal surfaces.
Automotive and RV Specific: Formulated specifically for automotive and RV seam sealing.
Product identification
- Brand: 3M
- Model / MPN: 8361









