Accelerator 58 is a single component non-CFC solvent-based product, formulated to provide a faster cure on acidic surfaces and cure excess Instantbond? cyanoacrylate adhesive outside the bond line. Accelerator 58 is used to increase the cure speed of Hernon® Instantbond? Adhesives. It is especially suited for post application on exposed Instantbond? adhesive outside of the bond line. Loudspeaker assembly and bonding jewelry are two examples.