Sikaflex 221 310ml

SIKAFLEX® 221 | Polyurethane Adhesive

High strength, polyurethane, industrial adhesive/sealant

  • Very high adhesive, permanently flexible bond
  • Bond and seal in one application
  • Suitable for use in food preparation areas
  • NSF-approved for incidental food contact.


Sikaflex® 221 bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are metals, metal primers and paint coatings (2-C systems), ceramic materials and plastics.


  • 1-C formulation
  • Elastic
  • Low odour
  • Resistant to ageing and weathering exposure
  • Non-corrosive
  • Can be overpainted
  • Can be sanded
  • Bonds well to a wide variety of substrates
  • NSF-approved for incidental food contact


310ml Cartridge
600ml Sausage


White, Grey, Black

Available Colour
  • White
  • Grey
  • Black