Sikaflex 221 is multifunctional, stable and long-standing in the automotive industry, proven polyurethane sealant that cures in the context of humidity to a so-called elastomer.
Areas of application: Sikaflex 221 has a wide range of adhesive spectrum. It is suitable for permanent, elastic and adhesive connections. Sika is used both as an adhesive and as a sealant. The following substrates are used: metals, wood, paints and primers (2-component base), plastics and ceramics.