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3M 4000UV Marine Adhesive Fast Cure Sealant

Product Description

The 3M™ Marine Adhesive Sealant 4000 UV is a one-component, medium-strength, moisture-curing, gap-filling sealant that cures to form a firm, flexible and waterproof seal on aluminum, wood, gel coat and fibreglass, making it well-suited for marine applications above or below the waterline. This product offers excellent UV resistance for reliable long term performance.

The flexibility of this adhesive sealant allows for the dissipation of stress caused by shock, vibration, swelling or shrinking. It is designed for marine applications above or below the waterline. Its superior UV resistance properties make this an ideal cosmetic sealant.

  • High-performance, medium strength bonding allows for disassembly
  • Above and below the water line applications
  • Excellent UV resistance
  • 22 minute skin time helps keep jobs moving quickly
  • Colour stable sealing

Adhesive Type

Silane Modified Polymer

Application Method

Hand or pressure caulk

Full Cure Time

>3.5 mm/24 hr


40 Shore A


General Industrial, Marine, Transportation

Modulus at 100%

>250 Pound-Force Per Square Inch

Physical Form

Medium paste

Product Colour

White, Black

Solids Weight Percent (Approximate)

98 %

Surface Type

Metal, Painted Surface

Tack-free Time

20 min

Tensile Strength (Imperial)

500 psi


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