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Sikaflex-221 is a premium black polyurethane sealant and adhesive designed for permanent, elastic seals on a wide range of surfaces including metal, plastic, and ceramics. Its age-resistant, waterproof formula withstands harsh elements like seawater and acids, while being NSF-approved for safe use in drinking water and food environments. Packaged in a convenient cartridge compatible with various application guns, it offers quick curing, sandability, and paintability for professional, durable finishes.










| ASIN | B00NW5LWHA |
| Best Sellers Rank | #77,095 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #51 in Adhesive Caulk |
| Brand Name | SIKA |
| Colour | Black |
| Country of Publication | USA |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,549) |
| Item Form | Paste |
| Item Weight | 10.1 Ounces |
| Manufacturer | A P Products |
| Manufacturer Part Number | 90893 |
| Material Type | Silicone |
| Model | SIKA-90893 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Size of liquid in ounces | 10.1 Fluid Ounces |
| Surface Recommendation | Versatile, suitable for various surfaces |
| Unit Count | 300 Milliliters |
| Water Resistance Level | Waterproof |
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