Sikaflex-221 is a high-quality multi-purpose non-sag 1-c polyurethane sealant that is ideal for bonding to a wide variety of substrates and making permanent elastic seals of high adhesive strength. Eg. Bonding trim components or exterior cladding panels on cars, trucks, buses.
It cures on exposure to atmospheric humidity to form a durable elastomer.
Suitable substrate materials are wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics.
Available in Black, Grey or White.
- Sealing and bonding with one product
- High strength, non sag polyurethane that stays permanently flexible
- Resistant to aging and weathering exposure
- Low odour and non-corrosive
- Can be sanded and overpainted for a quality finish