Sikaflex®-221

Multi-purpose adhesive sealant with a wide adhesion range
Sikaflex®-221 is a multi-purpose 1-component polyurethane adhesive/sealant that bonds well to a wide variety of substrates like metals, metal primers, and paint coatings (2-component systems), ceramic materials, and plastics. It is suitable for making permanent elastic seals.

• Bonds well to a wide variety of substrates
• Resistant to aging
• Can be sanded and painted