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🛠️ Seal the deal with speed and strength – your boat’s best kept secret!
Sikaflex®-291 is a professional-grade marine sealant and adhesive offering rapid curing and exceptional adhesion to multiple substrates including gelcoat, fiberglass, metal, and wood. Engineered for durability, it resists fresh and seawater, chemicals, and oils, making it ideal for both above and below waterline applications. NSF and USDA approved, it ensures safety for potable water and incidental food contact, delivering a flexible, vibration-resistant seal with a tensile strength of 260 kpsi in a convenient 10.1 fl oz cartridge.















| ASIN | B01GPIXX5Y |
| Best Sellers Rank | #5,326 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #37 in Silicone Adhesives #43 in Adhesive Caulk #87 in Industrial Sealants |
| Brand Name | SIKA |
| Color | White |
| Compatible Material | Fiberglass, Metal, Wood |
| Container Type | Cartridge |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,341) |
| Included Components | 10.1 fl oz Cartridge |
| Item Form | Gel |
| Item Package Quantity | 1 |
| Item Type Name | Adhesive |
| Item Weight | 300 g |
| Manufacturer | Sika USA |
| Material Type | 1-C polyurethane |
| Model | 90919 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Fast Curing |
| Part Number | 90919 |
| Specific Uses For Product | Boating |
| Tensile Strength | 260 kips_per_square_inch |
| UPC | 033886005258 |
| Unit Count | 10.1 Fluid Ounces |
| Viscosity Level | Medium |
| Volume | 10.1 fluid ounces |
| Water Resistance Level | Water Resistant |
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