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🔧 Seal it like a pro — durable, flexible, and ready for anything!
Sika Sikaflex 521 UV is a professional-grade, multipurpose STP adhesive sealant in light grey, designed for primer-free bonding on diverse materials. It cures in 24 hours to a flexible, weather-resistant finish that can be sanded and painted. Ideal for both interior and exterior use, it offers low odour application and compatibility with various piston guns, ensuring a durable, long-lasting seal.
| ASIN | B00BEFGCE8 |
| Best Sellers Rank | #288,269 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #684 in Adhesive Caulk #1,161 in Industrial Sealants #121,557 in Hardware |
| Brand | SIKA |
| Color | Light Gray |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,444) |
| Date First Available | November 10, 2013 |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 07612894184518 |
| Item Form | Paste |
| Item Weight | 14.8 ounces |
| Item model number | 512UV |
| Liquid Volume | 300 Milliliters |
| Manufacturer | Sika |
| Manufacturer Part Number | 62139 |
| Material | Silane Terminated Polymer |
| Model | Sikaflex |
| Number of Items | 1 |
| Product Dimensions | 1.97 x 1.97 x 8.27 inches |
| Surface Recommendation | Door, Metal, Pipe, Wood |
| Unit Count | 10.1442 Fluid Ounces |
| Water Resistance Level | Waterproof |
S**3
Works well. Recommend
A**I
Ottimo prodotto. Io l'ho comprato x eseguire alcune sigillature sul camper ma ho scoperto che è ottimo anche per l'incollaggio di componenti staccati in un gommone. Ottima resistenza anche alla trazione.
M**S
Wie zu erwarten, Sika. Es hält was es verspricht. Klasse Ware
M**F
Used on defender roof gutter rail prior to painting great product
J**N
Va estupendamente, cubre muy bien. Se nota un producto de calidad.
Trustpilot
1 month ago
3 days ago