Bondloc b641 is a single part anaerobic securing compound designed for fitting cylindrical metal assemblies and cures when confined between the parts it will secure all types and sizes of bearings shafts and cylindrical parts which will require disassembly in the future it is medium strength and is colour coded yellow for job identification specifications resin mod dimethacrylate colour yellow fixture speed no activator 10 15 mins fixture speed with activator 100c shelf life 12 month min specif