Sikaflex®-221 is a versatile, one-component polyurethane adhesive and sealant supplied in cartridges for easy application. It cures on exposure to atmospheric moisture, forming a durable, elastic seal. Suitable for a wide range of materials, including metals, wood, plastics, and painted surfaces, Sikaflex®-221 is ideal for general sealing and bonding tasks in automotive, construction, and industrial applications. It is highly resistant to aging and weathering, ensuring long-lasting performance. Can be sanded and painted.
 
Colours: White, Grey & Black.