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⚓ Seal your marine projects with confidence — the ultimate bond that won’t let you down!
3M Marine Adhesive Sealant 5200 is a black, polyurethane-based sealant designed for permanent, flexible bonding in demanding marine environments. It offers superior resistance to saltwater and weathering, forming watertight seals on wood, fiberglass, and metal. With a 48-hour handling time and elastomeric properties, it absorbs stress from vibration and movement, making it the trusted choice for professionals seeking durable, long-lasting marine repairs and installations.



| ASIN | B000Y89JC8 |
| Best Sellers Rank | #4,124 in Automotive ( See Top 100 in Automotive ) #30 in Thread Lock Sealers |
| Brand Name | 3M |
| Color | Black |
| Compatible Material | Wood |
| Customer Reviews | 4.5 4.5 out of 5 stars (10,599) |
| Global Trade Identification Number | 00051135052051 |
| Included Components | marine sealant |
| Item Dimensions | 1.4 x 4.9 x 8.8 inches |
| Item Form | Ounces |
| Item Highlight | Permanent Bonding and Sealing for Boats and Marine Applications |
| Item Type Name | marine sealant |
| Item Weight | 4.8 ounces |
| Manufacturer | 3M |
| Material Type | Plastic |
| Model | 5200 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 051135052051 |
| Style Name | 5200 |
| Surface Recommendation | Floor, Wall |
| UPC | 051135052051 |
| Unit Count | 3 Fluid Ounces |
| Warranty Description | AS Printed |
| Water Resistance Level | Waterproof |
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