Sikaflex®-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant/adhesive that cures on exposure to atmospheric humidity to form a durable elastomer. Meets approvals ASTM C920 types Sikaflex®-221 is tested and classified in accordance with ANSI/UL 723 “Test for Surface Burning Characteristics of Building Materials”.
Uses:
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.
Characteristics & Advantages:
Highly elastic and durable
Resistant to aging and weathering exposure
Non-corrosive
Can be sanded and overpainted
NSF registered, Proprietary Substances and Nonfood Compounds (black, gray, and white)
UL listed for potable water (black, gray, and white)
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
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How do I confirm compatibility?
Match the manufacturer part number and review the dimensions, power requirements and compatibility information in the product description. Vehicle, RV and marine applications can differ. Contact our team with your model details if you need help reviewing a part before ordering.
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