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⚓ Seal the deal with speed and strength — your boat’s best-kept secret!
3M Marine Adhesive Sealant 4200FC is a fast-curing, medium-strength polyurethane sealant designed for marine applications. It forms durable, flexible, and waterproof bonds on diverse materials like wood, fiberglass, and metal. Tack-free in 1 hour and fully cured in 24, it withstands harsh marine conditions while allowing disassembly, making it ideal for sealing portholes, deck fittings, and more.







| ASIN | B0000AY6B0 |
| Best Sellers Rank | #1,582 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #29 in Industrial Joint Sealants #47 in Boat Maintenance Supplies |
| Brand Name | 3M |
| Color | White |
| Compatible Material | Plastic |
| Container Type | Tube |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,601) |
| Full Cure Time | 24 Hours |
| Included Components | 3M Marine Adhesive/Sealant Fast Cure 4200, 05260, White, 3 oz |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | 3M 05260 Marine Adhesive Sealant Fast Cure 4200 - White, 3 oz. |
| Item Weight | 0.3 Pounds |
| Manufacturer | 3M |
| Material Type | Polyurethane |
| Model | 4200FC |
| Number of Pieces | 1 |
| Other Special Features of the Product | Strong |
| Part Number | 05260 |
| Specific Uses For Product | boating |
| Tensile Strength | 300 Pounds Per Square Inch |
| UPC | 051135052600 |
| Unit Count | 3.0 Fluid Ounces |
| Viscosity Level | Medium |
| Volume | 3 Fluid Ounces |
| Water Resistance Level | Waterproof |
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