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Sikaflex 221
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Sikaflex 221

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Sikaflex 221 is a high-quality multi purpose non-sag 1-c polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer.
For US: meets approvals ASTM C920 types and Federal Specifications TT-S-00230C.


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

    Sikaflex 221 is manufactured in accordance with ISO 9001/14001, quality assurance system and with the responsible care program.

    Technical Datasheet
    Safety Datasheet

  • This product was added to our catalog on Tuesday 23 May, 2017.

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