3M 550FC Polyurethane Adhesive Sealant 310ml Cartridge 3M™ 550FC Polyurethane Adhesive Sealant is the great first choice for multi-purpose adhesive sealant applications. Good mix of sealing and bonding performance Fast curing for applications where speed matters Shore A hardness of 45 Great for seam sealing & gap filling Good option for panel... Available in: Option Title Option Price Black From $14.00 USD white From $14.00 USD