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๐ Seal it once, seal it right โ the proโs choice for lasting bonds!
Sika Sikaflex-221 is a premium aluminum gray polyurethane sealant and adhesive designed for permanent elastic seals across multiple surfaces including metal, plastic, and ceramics. Its age-resistant, non-corrosive formula withstands harsh elements like seawater and acids, while being NSF-approved for safe use in drinking water and food environments. Packaged in easy-to-use cartridges, it offers a sandable and paintable finish, making it the go-to solution for professionals demanding durability and versatility.










| ASIN | B0CRRZW1VM |
| Best Sellers Rank | #902 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #13 in Urethane Adhesives |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | Aluminum Gray |
| Customer Reviews | 4.8 out of 5 stars 7 Reviews |
| Global Trade Identification Number | 10033886005101 |
| Included Components | Sealant |
| Item Form | Liquid |
| Item Weight | 0.27 g |
| Liquid Volume | 10.3 fluid ounces |
| Manufacturer | Sika |
| Material Type | Polyurethane |
| Model | 90892 |
| Number of Items | 24 |
| Part Number | 90892 |
| Surface Recommendation | Metal, Wood, Glass |
| Unit Count | 24 Count |
| Water Resistance Level | Water Resistant |
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