Since the 1970s, Adhesives Technology Corporation has manufactured epoxies, acrylics, and other adhesives for construction. Ultra bond 2300 is a two-part, 100% solids epoxy adhesive that is solvent-free, high strength, and moisture insensitive. It is ideal for anchoring rebar and other uses between 60-110°F, such as bonding new concrete to cured concrete. The adhesive is non-sagging and has a long working time.