3M Dynatron Auto Seam Sealer Caulk, 550, Grey, 12 oz, 12 per case

• EASY APPLICATION: Brushable consistency and paintable results make it easy to work with
• FAST CURING: Forms a skin in just 10 to 15 minutes
• GAP-FILLING CONSISTENCY: Capable of filling large voids to help prevent corrosion
• HIGH ADHESION: Bonds reliably to both bare metal and painted surfaces
• NON-SAGGING: A robust formula ensure accurate placement, even on vertical seals

Dynatron Auto Seam Sealer Caulk is a fast-skinning, permanently elastic, non-sagging formulation that is brushable and paintable. This sealer provides excellent adhesion to bare metal or painted surfaces and is a non-staining, all-purpose autobody joint and seam sealer.

Versatile Seam Sealer
Dynatron™ Auto Seam Sealer Caulk lay down well on both bare metal and painted surfaces. Our sealer offers high adhesion and has a thick consistency that makes it less likely to drip, sag or run out of the gap being sealed. It dries quickly with little shrinkage. Our sealer creates a water-tight repair that stay in place without cracking. Recommended applications include fresh welds, floor seams, trunk seams, drip rails, voids and gaps.

Easy to Use with Fast Results
Our seam sealer formula can be brushed or painted on with exceptionally high quality results. When desired, it can be feathered out to a thin layer. The sealer starts to skin in about 10 to 15 minutes and should be fully hard by the next day.

Benefits of Seam Sealer
Applying seam sealer can fill gaps and voids that otherwise could lead to water intrusion and eventual corrosion and rust. Seam sealer can also block moisture intrusion that can result in mildew and mold growth in certain areas.

3M Dynatron Model Benefits

The 3M Dynatron Auto Seam Sealer Caulk, model 550, offers reliable performance for autobody sealing. This product is designed for easy application with a brushable consistency that makes it simple to work with and paint over.

Its fast-skinning formula forms a skin in just 10 to 15 minutes, allowing for quick handling and efficient workflow. The model 550 is a trusted choice for professional seam sealing needs.

Grey Color Advantages

This seam sealer comes in a grey color, which blends well with many automotive surfaces. The grey tone helps in achieving a neat finish that matches common metal and painted areas.

Using a grey sealer also aids in visual inspection of coverage and thickness, ensuring that gaps and seams are properly sealed for long-lasting protection.

12 Ounce Size Features

The 12 oz size of this caulk provides a convenient amount for various repair jobs without excessive waste. It’s easy to handle and apply, making it suitable for both small and medium-sized projects.

This size supports precise placement and reduces the chance of sagging or dripping, especially on vertical seams, thanks to its non-sagging formula.

Brushable Format Benefits

The brushable format of this seam sealer allows for smooth and controlled application. It can be feathered out to a thin layer or applied thicker to fill larger gaps effectively.

This format is ideal for fresh welds, floor seams, trunk seams, and drip rails, providing a water-tight repair that prevents corrosion and moisture intrusion.

Case Pack Count

This product is sold in a pack of 12 per case, making it convenient for bulk purchases and professional use. Having multiple units on hand ensures you’re ready for multiple jobs or larger projects.

The case pack supports cost efficiency and consistent supply, helping maintain workflow without frequent reordering or downtime.