SIKAFLEX 221

Sikaflex-221 is a versatile, high-quality thixotropic polyurethane sealant that cures by reaction with atmospheric moisture.
It is suitable for creating permanently elastic sealants with high adhesive strength.
Suitable substrates are wood, metal, metal primers and paint systems (two-component systems), ceramic and plastic materials.
Preliminary testing with specific substrates and application conditions is recommended to ensure perfect adhesion and material compatibility.

ADVANTAGES:

• Single-component
• Elastic
• Low odour emission
• Ageing resistant
• Non-corrosive
• Overpaintable
• Sandable
• Adheres well to a wide range of substrates