Sikaflex-221 is a versatile, single-component polyurethane adhesive/sealant that adheres effectively to a wide range of substrates, including metals, metal primers and paint coatings (2-component systems), ceramic materials, and plastics. It is designed for creating permanent elastic seals. With its robust formulation, this Sikaflex product ensures reliable and durable bonding, making it an excellent choice for various construction and manufacturing projects.

This product is known for its resistance to ageing and can be sanded and painted, ensuring long-lasting performance. It meets the stringent requirements of EN45545-2 R1/R7 HL3, making it suitable for demanding applications. Additionally, it is non-corrosive and has a low odour, enhancing user comfort and safety. Sikaflex-221 is also NSF-approved for incidental food contact and meets AS4020 requirements for potable water approval, further broadening its range of applications.

Features

• Bonds well to a wide variety of substrates
• Resistant to ageing and can be sanded and painted
• Passes EN45545-2 R1/R7 HL3