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SIKA Sikaflex-291 is a black, one-component polyurethane marine adhesive and sealant designed for fast curing and superior water resistance. Ideal for bonding and sealing in marine construction, it forms elastic, vibration-resistant joints that withstand fresh and saltwater exposure. Compatible with multiple substrates including aluminum and wood, it cures to a paintable finish and meets international maritime standards, making it the go-to choice for professionals seeking durable, high-performance marine sealants.















| ASIN | B00C501KD4 |
| Best Sellers Rank | #5,326 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Polyurethane Adhesives |
| Brand Name | SIKA |
| Color | Black |
| Compatible Material | Aluminum |
| Container Type | Cartridge |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,341) |
| Full Cure Time | 24 hours |
| Global Trade Identification Number | 00033886005272 |
| Included Components | Sealant |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | Adhesive |
| Item Weight | 10.1 ounces |
| Manufacturer | Sika USA |
| Material Type | 1-C polyurethane |
| Model | 90923 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Water Resistant |
| Part Number | 017-90923 |
| Specific Uses For Product | Marine |
| UPC | 033886005272 |
| Unit Count | 10.1 Fluid Ounces |
| Viscosity Level | High |
| Volume | 10.1 fluid ounces |
| Water Resistance Level | Water Resistant |
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