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Sikaflex 221 1-Component Polyurethane Sealant Black 600ml Unipac

5.0 Write Review
Free shipping on orders over $29.99

$30.04

$ 14 .99 $14.99

In Stock

About this item

  • Low odor.
  • Non-corrosive.
  • Resistant to aging.
  • Bonds well to a wide variety of substrates.
  • Listed under NSF/ANSI/CAN 61 ─ Drinking Water System Components (aluminum gray, black, and white).


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. 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 wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics


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