Description
3M™ Marine Adhesive/Sealant 5200 is a high-performance, permanent polyurethane adhesive sealant designed for demanding marine applications. Known for its exceptional strength and durability, 3M Marine 5200 forms a watertight, flexible seal that withstands harsh marine environments, vibration, and constant exposure to water.
This 10 fluid ounce cartridge is ideal for heavy-duty bonding and sealing jobs where long-lasting performance is critical.
Key Features
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Permanent, high-strength polyurethane adhesive sealant
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Creates a watertight and weather-resistant seal
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Excellent resistance to saltwater, UV, fuel, and oils
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Remains flexible after curing – absorbs shock and vibration
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Ideal for below-waterline and above-waterline applications
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Long service life in harsh marine conditions
Typical Applications
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Hull-to-deck joints
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Through-hull fittings
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Deck hardware installation
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Sealing transoms, keels, and struts
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Marine construction and repair
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Boat and yacht maintenance projects
Product Specifications
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Brand: 3M™
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Product Type: Marine Adhesive / Sealant
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Color: White
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Packaging: Cartridge
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Volume: 10 fl oz (295 ml)
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Cure Type: Moisture-curing polyurethane

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