3M Urethane Seam Sealer Black (Minimum Purchase of 12)
3M Urethane Seam Sealer Black (Minimum Purchase of 12)
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3M Urethane Seam Sealer Black (Minimum Purchase of 12)

|4 ratings

Key item features

  • Minimum Purchase: This product requires a minimum purchase quantity of 12 units.
  • Enhanced Adhesion: Features adhesion promotion for excellent bonding to a variety of surfaces.
  • Specialized Application: Advanced formula specifically recommended for use with galvanized steel and aluminum.
  • Effortless Application: Super creamy formula ensures easy spreading for quick and efficient applications.
  • Superior Purity: Vacuum processed and pinhole-free for ultimate purity and quality.
  • Rapid Curing: Fast curing allows for sanding in as little as 15 to 20 minutes after application.
  • Product Specification: This is a 3M Urethane Seam Sealer, black in color, supplied in a 310 mL cartridge, with 12 cartridges per case.
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Current price is Now $37.81
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was $46.39
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Arrives by Tue, May 19
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Sold and shipped by American Mechanic
4.588377723970944 stars out of 5, based on 413 seller reviews(4.6)
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2.3 out of 5 stars
stars4 ratings4 reviews
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Showing 1-3 of 4 reviews

Feb 26, 2022
BasedCody
5 out of 5 stars review

Just what I needed

Bought this to restore my car, it does the job perfectly. Don't really know what else to say. Get the applicator gun too, makes life much easier.If you want the right stuff just get 3M. Don't waste your time and money on knock offs of 3M products

Review from 3m.com
Helpful?5W75C2VZSMG934368693
May 15, 2024
Ash
Sold byNational Tool Warehouse
2 out of 5 stars review

Verified Purchase

wrong color sent

I ordered it because it said it was black sealant. I got grey sealant sent instead. The product itself is good. but the seller sent the wrong color.

Incentivized Review
Helpful?5W75C2VZSMG934368693
Sep 26, 2025
Bob44
1 out of 5 stars review

Smell's terrible

This product has rendered my vehicle undrivable. I sealed the driver side floor pan two months ago and the fumes still make my eyes water. The air inside my car is clearly toxic. To be fair, the product does seal well.

Review from 3m.com
Helpful?5W75C2VZSMG934368693
reply from 3M Care Team

Hello, thank you for taking the time to leave your review. Your safety is our top concern and we would appreciate the opportunity to discuss this with you. Please connect with our team at 1-800-494-3552 Mo-Fri 8am-4:30pm CT so that we can gather some additional details. We look forward to your call.