Show all documents

Sikaflex®-521 UV

Weathering-resistant STP adhesive sealant with a wide adhesion range

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 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 painted
  • Can be sanded
  • Low odor
Show all documents