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DYNATRON GRAY SEAM SEALER CAULK 12 OZ - 3M Automotive

Part #: 550-SHORT

The 3M Automotive Dynatron Gray Seam Sealer Caulk (Model 550-SHORT) is a professional-grade, high-performance solution designed for effectively sealing seams in automotive and industrial applications. This 12 oz caulk cartridge delivers a durable and flexible seal, crucial for protecting against moisture, dust, and corrosion in demanding environments. Engineered for professional technicians, it provides a reliable finish that contributes to the integrity and longevity of repairs.

Key Features

  • Professional-Grade Performance: Formulated for automotive and industrial use, providing a robust and lasting seal.
  • Durable & Flexible Bond: Creates a strong yet flexible bond that resists cracking and shrinking over time, accommodating minor panel movement.
  • Excellent Adhesion: Offers superior adhesion to a variety of prepared substrates, including bare metal, primed surfaces, and painted finishes.
  • Fast-Curing Formula: Allows for efficient workflow in busy shops, reducing waiting times before subsequent steps like painting.
  • Paintable Finish: Can be painted over once cured to match the vehicle's original finish, ensuring a seamless and professional appearance.
  • Easy Application: Packaged in a standard 12 oz caulk cartridge for convenient application with a standard caulk gun.

Applications

The 3M Dynatron Gray Seam Sealer Caulk is ideal for a wide range of sealing tasks encountered by professional mechanics and body shop technicians. Common applications include sealing trunk seams, floor pans, firewall joints, wheel wells, and other exterior and interior panel joints in automobiles. It is also suitable for general industrial applications requiring a resilient and protective seam seal against environmental elements. This product helps prevent water leaks, reduce noise, and deter rust formation, preserving the vehicle's structural integrity.

Specifications

  • Manufacturer: 3M Automotive
  • Model Number: 550-SHORT
  • Product Name: DYNATRON GRAY SEAM SEALER CAULK
  • Size: 12 oz
We have 31 in stock

$27.92

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This product was added to our catalog on Friday 31 July, 2026.

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