SikaFlex 221 Pu Adhesive And Sealant Flex White

Sikaflex-221 is a one-component polyurethane adhesive and sealant for indoor joints and light bonding. It adheres to metals, primers, paints, ceramics and many plastics, forming permanently elastic, aging-resistant joints. Cures with air humidity, is paintable and sandable, non-corrosive and low-odor. ISEGA and NSF approvals for food contact. Always test on original materials for compatibility and follow Sika pre-treatment guidance. Intended for professional, experienced users. Flex White color variant — white finish for color-matched joints and visible seams. No change to Sikaflex 221 formulation; intended when a white appearance is required.