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⚓ Build stronger, last longer — marine-grade epoxy that means business.
TotalBoat 5:1 Marine Epoxy Resin is a professional-grade, two-part system designed for superior bonding, coating, and laminating in marine and composite projects. With a high tensile strength of 7500 psi, low viscosity for easy fiberglass wet-out, and a precise 5:1 mixing ratio via color-coded pumps, it offers versatile use across wood, metal, fiberglass, and composites. Available with slow or fast hardeners, it provides flexible working times and cures to a durable, waterproof finish that resists chemicals, salt, and weather—perfect for boat building, repairs, and advanced woodworking.






























| ASIN | B00HR8515C |
| Best Sellers Rank | #3,955 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #3 in Boat Painting Supplies |
| Brand Name | TotalBoat |
| Color | Clear Amber |
| Compatible Material | Concrete, Fiberglass, Glass, Masonry, Metal, Stone, Wood |
| Container Type | Bottle |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,779) |
| Full Cure Time | 24 hours |
| Global Trade Identification Number | 00811932021021 |
| Included Components | Resin, Hardener |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Manufacturer | TotalBoat |
| Material Type | Epoxy Resin |
| Model | TB-521KITSB-K |
| Other Special Features of the Product | [Versatility, Two hardener speeds, Compatibility with TotalBoat 5:1 Epoxy Resin Systems] |
| Part Number | TB-521KITSB-K |
| Specific Uses For Product | Boat building, Repair |
| Tensile Strength | 7500 psi |
| UPC | 811932021021 |
| Unit Count | 152 Fluid Ounces |
| Viscosity Level | Low |
| Volume | 739 ml |
| Water Resistance Level | Waterproof |
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