- Product description
Sikaflex-221 is a time-tested, versatile, stable, 1-component polyurethane sealant that cures with atmospheric moisture to an elastomer.
Sikaflex-221 exhibits a broad adhesion spectrum and is suitable for an elastic, durable, high-adhesion seal. Suitable substrates are wood, metals, primers and coatings (2-component systems), ceramic materials, plastics.
Product features / benefits
- 1-component
- elastic
- low odor
- resistant to aging and weathering
- non-corrosive
- can be painted over
- sandable
- shows a wide adhesion spectrum
- approved for food use (NSF + consumer goods regulation 2002/72/EC)
- silicone-free