Description
Sikaflex 221 Multi-Purpose Polyurethane Sealant/Adhesive - 10.3oz (300ml) Cartridge - White
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 by 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.
Features:
- 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, grey, and white)
- UL listed for potable water (black, grey, 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.
The Sika Sikaflex 221 is a versatile, high-quality polyurethane sealant and adhesive designed for a wide range of applications. This 10.3-ounce cartridge provides a durable, elastic bond that cures upon exposure to atmospheric humidity, forming a resilient elastomer ideal for both sealing and adhesion tasks. Its non-sag formulation ensures it remains in place on vertical or overhead surfaces, making it suitable for demanding construction and repair projects. The Sikaflex 221 is compatible with various substrates including wood, metals, ceramic materials, plastics, and painted surfaces, providing excellent adhesion and a flexible, weather-resistant seal that withstands aging and environmental exposure.
Engineered for durability, Sikaflex 221 is resistant to weathering, aging, and UV exposure, ensuring long-lasting performance in outdoor or high-moisture environments. It is non-corrosive, making it safe for use in sensitive applications, and can be sanded and overpainted to match surrounding surfaces for a clean, professional finish. The sealant is NSF-registered and UL-listed for potable water, suitable for use in plumbing, food processing, and sanitation applications where safety and compliance are critical. The product’s compliant status with ASTM C920 standards further verifies its suitability for architectural and industrial sealing and bonding tasks.
By choosing Sikaflex 221, users benefit from a reliable, flexible solution capable of handling dynamic joints and structural movements. Its ease of application, combined with its high adhesive strength and elastic properties, makes it an ideal choice for sealing expansion joints, bonding trim, and repairing cracks. This product’s versatility extends across various industries, including construction, manufacturing, and maintenance, providing a professional-grade sealant that meets rigorous safety and performance standards.
Features:
- Highly elastic and durable for long-lasting performance
- Resistant to aging, weathering, and UV exposure
- Non-corrosive, safe for sensitive substrates
- Can be sanded and overpainted for a seamless finish
- NSF-registered and UL-listed for potable water applications
- Forms a flexible elastomer upon curing that bonds to a variety of surfaces
Details
truck_freight: |
No |
oversized: |
No |
