Details

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Details

Highlights

• High-performance marine-grade silicone sealant designed for harsh marine and coastal environments
• Provides a durable, waterproof seal that resists saltwater exposure and weathering
• Cures to a flexible rubber-like seal that accommodates movement and vibration
• Mildew-resistant formulation helps maintain long-term cleanliness and appearance
• Non-yellowing properties ensure long-lasting aesthetic performance
• Excellent adhesion to common marine substrates including glass, metal, wood, and gelcoat
• Suitable for above and below waterline applications (as per product specification use cases)
• Easy cartridge application for controlled and precise sealing work
• Supplied in a 304 mL cartridge for marine maintenance and repair use
• Packaged 12 cartridges per case for professional and industrial applications

Description

The 3M™ Marine Grade Silicone Sealant (7000120476) is a premium silicone sealant formulated specifically for demanding marine environments. It cures to a flexible, durable seal that remains elastic over time, allowing it to withstand movement, vibration, and thermal expansion commonly found in marine structures. The sealant is resistant to mildew, UV exposure, and saltwater, ensuring long-lasting performance and appearance without yellowing. It bonds well to a variety of marine substrates including glass, metals, wood, and gelcoat, making it suitable for sealing joints, fittings, and assemblies on boats and marine equipment.

Typical Properties