Sikaflex®-221 is a high-quality multi-purpose 1-component polyurethane adhesive / sealant that cures on exposure to atmospheric humidity. It is suitable for internal sealing and simple bonding applications.
- Bonds well to a wide variety of substrates
- Resistant to ageing
- Can be painted
- Can be sanded
- Non-corrosive
- Low odour
- NSF-approved for incidental food contact
