A multi-purpose one-component polyurethane adhesive/sealant that cures on exposure to atmospheric humidity. This high-quality Sikaflex®-221 is brown in colour and suitable for internal sealing and simple bonding applications. It bonds well to a range of substrates including metals, metal primers and paint coatings (2-C systems), ceramic materials and plastics.

NOTE: Sikaflex® 221 is suitable for experienced professional users only. Please 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