







π Seal it once, seal it right β the proβs choice for permanent bonds!
Sikaflex-221 is a premium aluminum gray polyurethane sealant and adhesive designed for multi-surface bonding. This 10.1 fl. oz cartridge delivers a permanent elastic seal that is sandable, paintable, and non-corrosive. Engineered for durability, it resists aging, seawater, diluted acids, and caustic solutions, making it ideal for both industrial and food-safe applications. Ready-to-use with all standard application guns, it ensures precise, reliable sealing across metals, plastics, ceramics, and more.




| Color | Aluminum Gray |
| Brand | SIKA |
| Item Weight | 24 Pounds |
| Liquid Volume | 10.3 Fluid Ounces |
| Item Form | Liquid |
| Surface Recommendation | Metal, Wood, Glass |
| Water Resistance Level | Water Resistant |
| Number of Items | 24 |
| Manufacturer | Sika |
| Global Trade Identification Number | 10033886005101 |
| Unit Count | 24.0 Count |
| Material | Polyurethane |
| Item Weight | 24 pounds |
| Product Dimensions | 12 x 8 x 12 inches |
| Item model number | 90892 |
| Manufacturer Part Number | 90892 |
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