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Sikaflex®-221

Multi-purpose adhesive sealant with a wide adhesion range

Sikaflex®-221 is a multi-purpose 1-component polyurethane adhesive / sealant that bonds well to a wide variety of substrates like metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics. It is suitable for making permanent elastic seals.  

  • Bonds well to a wide variety of substrates
  • Resistant to ageing
  • Can be sanded and painted
  • Passes EN45545-2 R1/R7 HL3
  • Non-corrosive
  • Low odor
 
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