SKU:67318
Sikaflex 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz(300ml) Cartridge - Aluminum Gray
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:
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.
The Sika Sikaflex 221 is a versatile, high-performance polyurethane sealant and adhesive designed for a wide range of applications. This 10.3-ounce cartridge in an attractive aluminum gray color provides a durable, elastic seal that cures upon exposure to atmospheric humidity, forming a resilient elastomer ideal for sealing and bonding. Its excellent adhesion properties make it suitable for bonding a variety of substrates including wood, metals, ceramic materials, plastics, and painted surfaces. Whether used in residential, commercial, or industrial projects, Sikaflex-221 offers reliable performance with high elasticity and long-lasting durability. It is resistant to aging, weathering, and environmental exposure, ensuring that sealed joints maintain integrity over time. The product is non-corrosive and can be sanded and painted over, allowing for seamless finishing in various applications. Additionally, Sikaflex-221 is NSF registered and UL listed for potable water, making it suitable for plumbing and water-related projects. Its compliance with ASTM C920 standards and classification tests for surface burning characteristics ensures safety and performance in building applications. The sealant's flexible nature and strong adhesion make it ideal for creating permanent elastic seals that can accommodate movement and expansion in structural components. Whether sealing joints, bonding materials, or waterproofing, Sikaflex 221 provides a dependable solution with easy application and compatibility across multiple substrates. This product is suitable for professional contractors and DIY enthusiasts seeking a high-quality, multipurpose polyurethane sealant that delivers consistent results in demanding environments.
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