Kemko® 104 UW Putty is a two component extremely thick epoxy putty designed for the protection of concrete and steel inthe splash zone of saltwater marine structures. The product can also be used to seal or bond surfaces that are continually wet or submerged in seawater, even when subjected to heavy wave action. Kemko® 104 UW Putty can be used as bonding agent in freshwater applications. Kemko® 104 UW Putty is extremely tacky and is toughened with Kevlar® fibers for durability in high wear,mechanical shock and impact-prone repairs.