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3M Marine 5200 black adhesive sealant tube 3 oz

3M

3M Marine 5200 Adhesive Sealant Black 3 oz Hand Tool

SKU CH-YH7V-330R2

Marine-grade adhesive sealant creates a permanent, flexible bond that stays strong above or below the waterline and resists weathering and salt water

  • Creates an extremely strong bond that holds above and below the waterline
  • Remains flexible after curing to absorb structural movement and vibration
  • Excellent resistance to weathering and salt water for long-term durability
  • Black colour provides a clean, professional finish on marine surfaces
  • 3 oz cartridge fits standard hand caulking tools for easy application

3M Marine 5200 Adhesive Sealant 3 oz

3M Marine 5200 is a high-strength adhesive sealant designed for marine and automotive bonding tasks. The black, single-component formula cures to a flexible seal that handles structural movement. It is suited for boat owners, vehicle restorers and technicians who need a permanent bond above or below the waterline.

Application with hand tool and cure time

The 3 oz cartridge fits standard hand caulking tools for straightforward dispensing. Surfaces must be clean, dry and free of oil or old sealant before application. The material skins over quickly, so tooling must be done promptly. Incomplete surface preparation or delayed smoothing are the most common causes of adhesion failure.

Bond capacity and environmental limits

The cured seal maintains strength in continuous salt-water immersion and resists weathering cycles. It accommodates joint movement without cracking, making it suitable for hull-to-deck joints, through-hull fittings and underbody seams. It is not intended for permanent immersion in hydrocarbon fuels or high-temperature exhaust paths.

How it compares

Measured against everything we stock in Utility & Specialty Hand Tools, at today’s prices. Recalculated every night.

Price $26.99
Pricier than about 54% of the 2,474 comparable items (median $23.99).

Specifications

Product
Brand name3M
Product typeOther

Questions about this item

How can I confirm the 5200 adhesive sealant has cured correctly after application?

The 5200 adhesive sealant cures to a firm, rubbery consistency that remains flexible to allow structural movement. A proper cure shows no tackiness and maintains a strong bond above or below the water line.

What is included with the 3M 05205 Marine 5200 tube and what extra items are needed for application?

The package contains the 3 oz tube of black 5200 adhesive sealant. A standard caulking gun or hand tool is required to dispense the product and is sold separately.

Which version of the 5200 sealant should I choose for a black finish on marine surfaces?

The 3M 05205 Marine 5200 in black is the correct version for a black finish. It provides the same high-strength, flexible seal with excellent resistance to weathering and salt water.

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