Sika flex is the most well known brand of one component polyurethane sealant/adhesive in the world
This fast curing product provides permanent elastic adhesion to a number of surfaces with excellent cut and tear resistance
Designed to resist the shock and abuse encountered over countless road miles, Silaflex-221 will maintain its strength and adhesion over the long haul
Sikaflex-221 is weather resistant, sand able, paintable and NSF approved for potable water and incidental food contact
Bonds well to a wide variety of substrates and is suitable for making permanent elastic seals, ideally used for internal sealing and simple bonding applications
SIKA - Sikaflex-221, Black, Multi-Purpose Sealant/Adhesive, Polyurethane Fast Curing Sealant, 10.1 fl. Oz Cartridge