Sika Sikaflex® 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz(300ml) Cartridge - Aluminum Gray
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Sikaflex®-221 Multi-Purpose Polyurethane Sealant/Adhesive in Aluminum Gray comes in a 10.3 oz (300 ml) cartridge and delivers a versatile, high-performance sealing and bonding solution. This 1-component polyurethane sealant/adhesive cures on exposure to atmospheric humidity to form a durable elastomer, ensuring long-lasting performance in varied environments.
- Non-sag, 1-component polyurethane formula designed for stable, high-adhesion performance.
- Excellent bonding to a wide range of substrates including wood, metals (and metal primers/paint coatings in 2-component systems), ceramics, and plastics.
- Highly elastic and durable, with strong resistance to aging and weathering; non-corrosive.
- Can be sanded and overpainted to match finishes; NSF registered and UL listed for potable water (available in black, gray, and white).
- Meets industry standards, with ASTM C920 classifications and ANSI/UL 723 testing for surface burning characteristics.
Color: Aluminum Gray. This sealant/adhesive is designed for permanent elastic seals with high adhesive strength across a variety of substrates, delivering dependable performance in construction, maintenance, and DIY projects.
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.