DESCRIPTION
The Sikaflex 221 is a high quality multipurpose single component polyurethane adhesive/sealant that cures on exposure to atmospheric humidity. It is suitable for internal sealing and simple bonding applications.
It bonds well to a wide variety of substrates and is suitable for making permanent elastic seals of high adhesive strength. Suitable substrate materials are metals, metal primers and paint coatings (2-C systems), ceramic materials and plastics.
Properties
- 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