







🖤 Seal it like a pro, weather the elements in style!
SikaSikaflex 521 UV is a 300ml black silane-terminated polymer adhesive sealant designed for professional use. It bonds and seals a wide range of materials including timber, metals, ceramics, and plastics without special pre-treatment. This low-odour, isocyanate- and solvent-free formula offers exceptional weather and age resistance, making it ideal for both internal and external applications. Its sandable and overpaintable finish ensures a high-quality, seamless look.




| Manufacturer | Sika |
| Part number | 60179 |
| Item Weight | 417 g |
| Product Dimensions | 5 x 5 x 21 cm; 417 g |
| Batteries | Lithium Metal batteries required. |
| Item model number | 60179 |
| Size | 300ml |
| Colour | Black |
| Style | Sika Flex-521 UV (old version) |
| Material | Polyurethane Silicone silicone Polyvinyl chloride |
| Volume | 300 Millilitres |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Special Features | Black |
| Specific uses | Professional |
| Included components | 1 cartridge |
| Batteries included? | No |
| Batteries Required? | No |
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