Sikaflex®-521 UV is a weathering-resistant 1-component Silane Terminated Polymer (STP) adhesive / sealant that bonds well to a wide variety of bonding surfaces such as metals, ABS, PC, FRP and wood with usually no need for special pre-treatment. This multipurpose product is suitable for internal and external sealing applications.
- Ageing and weathering-resistant
- Bonds well to a wide variety of substrates without the need for special pre-treatment
- Isocyanate- and solvent-free
- Can be overpainted
- Can be sanded
- Low odour
Sikaflex®-521 UV adheres well to a wide variety of substrates and is suitable for elastic sealing and bonding. Suitable substrate materials include timber, metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics.
