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Auto Seam Sealer

3M Bondo Dynatron 550 Auto Seam Sealer Grey Caulk - 12 oz.


  • $19.98


Dyna-Pro® Seam Sealer is a fast-skinning, permanently elastic, non-sagging formulation that is brushable and paintable. Provides excellent adhesion to bare metal or painted surfaces and is a non-staining, all-purpose autobody joint and seam sealer.

Dynatron™ Seam Sealer is a fast-skinning, permanently elastic, non-sagging formulation that is Brushable and paintable. Provides excellent adhesion to bare metal or painted surfaces and is a non-staining, all-purpose auto body joint and seam sealer.

  • Fast-skinning
  • Permanently elastic
  • Non sagging
  • Brushable and paintable
  • Provides excellent adhesion to bare metal or painted surfaces
  • Non-staining

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