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Sikaflex-221 is a premium black polyurethane sealant and adhesive that cures with atmospheric moisture to form a durable, elastic bond. Its versatile formula adheres to a wide range of materials including metals, plastics, ceramics, and coated surfaces. Engineered for longevity, it resists aging, seawater, and corrosive substances, making it ideal for permanent internal seals. Ready-to-use in a convenient cartridge, itโs NSF-approved for safe use in drinking water and food environments, and can be sanded or painted for a flawless finish.
| ASIN | B00NW5LWHA |
| Batteries | 1 Nonstandard Battery batteries required. |
| Best Sellers Rank | #690 in Automotive ( See Top 100 in Automotive ) #6 in Automotive Fillers, Adhesives & Sealants |
| Brand | SIKA |
| Customer Reviews | 4.5 4.5 out of 5 stars (2,845) |
| Date First Available | 16 January 2015 |
| Item Weight | 286 g |
| Item model number | SIKA-90893 |
| Manufacturer | SIKA |
| Manufacturer Part Number | 90893 |
| Model | 017-90893 |
| Product Dimensions | 30.48 x 5.08 x 30.48 cm; 286.33 g |
| Special Features | Stain resistant |
D**B
The best
Best adhesive sealant I've ever used. I've gone through many tubes of this. It's never let me down except when removing it lol!
A**R
As advertised
Good quality
H**M
Very good
Very good
S**.
My favorite multipurpose sealent.
Superior sealent and adhesive. I put this stuff on everything. No terrible smell. Bonds very well to most surfaces.
A**X
Llego muy raido
Buen sellador excelente para celular y buena. Marca
K**Y
sikaflex is the BOMB
Great brand always works
D**C
quality product - glad I found it
used this for a repair that needed waterproof and permanent - this applied on easy and so far 100% resolved issue! I used AI to recommend product off amazon after uploading to AI a photo of the damage and this is what it recommended.
Trustpilot
1 month ago
2 days ago