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🔧 Seal it. Bond it. Own it. The pro’s choice for lasting strength.
Sika Sikaflex-221 is a white, one-component polyurethane sealant and adhesive in a 10.1 fl. oz cartridge. It bonds a wide range of materials including metals, plastics, and ceramics, cures quickly upon moisture exposure, and resists aging, seawater, and harsh chemicals. NSF-approved for use in drinking water and food production environments, it offers a durable, waterproof, and flexible seal ideal for professional-grade internal and external applications.










| ASIN | B00O9VFLRS |
| Best Sellers Rank | #1,119 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Polyurethane Adhesives #10 in Urethane Adhesives |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | White |
| Customer Reviews | 4.6 out of 5 stars 3,091 Reviews |
| Global Trade Identification Number | 00338860050980 |
| Included Components | AP Products 017-90891 Sikaflex-221, White |
| Item Form | Paste |
| Item Type Name | AP Products 017-90891 Sikaflex-221, White |
| Item Weight | 10.1 ounces |
| Liquid Volume | 10.1 fluid ounces |
| Manufacturer | SIKA |
| Material Type | Polyurethane |
| Maximum Gap Fill | 1.5 inches |
| Model | 017-90891 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 0911.1270 |
| Surface Recommendation | Roof, Vent, Pipe |
| UPC | 338860050980 |
| Unit Count | 10.1 Fluid Ounces |
| Water Resistance Level | Waterproof |
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