Sikaflex®-221 multi-purpose white polyurethane adhesive/sealant is suitable for application on metals, metal primers and paint coatings (2-C systems), ceramic materials and plastics.

The one-component sealant cures on exposure to atmospheric humidity and is suitable for making permanent elastic seals of high adhesive strength.

NOTE: Sikaflex®-221 is suitable for professional users only. The user should seek manufacturer’s advice and perform tests on original substrates before using this product on materials prone to stress cracking.

Key Features

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