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Sikaflex-221

“Sikaflex -221 is a high-quality multipurpose non-sag 1-c polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer. Meets approvals ASTM C920 types and Federal Specifications TT-S-00230C. Sikaflex -221 is tested and classified in accordance with ANSI/UL 723 “Test for Surface Burning Characteristics of Building Materials”.

Product Name: Sikaflex-221
Advantage: Multi-Purpose One Component Polyurethane Sealant/Adhesive
Description: Sikaflex -221 is a high-quality multipurpose non-sag 1-c polyurethane sealant that cures on exposure to atmospheric humidity to form a durable elastomer. Meets approvals ASTM C920 types and Federal Specifications TT-S-00230C. Sikaflex -221 is tested and classified in accordance with ANSI/UL 723 “Test for Surface Burning Characteristics of Building Materials”.
Product Benefits:
  • 1-C formulation
  • Elastic
  • Low odor
  • Resistant to weathering exposure
  • Non-corrosive
  • Can be over painted
  • Can be sanded
  • Lower VOC’s
  • Bonds well to a wide variety of substrates
  • NSF registered, Proprietary Substances and Nonfood Compounds (black, gray, and white)
  • UL listed for potable water (black, gray, and white)

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