Bondloc b2012 is a two part rapid cold curing epoxy adhesive that is suitable for bonding a wide variety of surfaces including steel aluminium and galvanised iron reacts within a few minutes to give a tough resilient bond on a wide variety of surfaces specifications mix ratio 11work life as a mix 4 12 5 mins size 28ml part 1 physical form viscous liquid chemical type epoxy appearance clear viscosity 25c 100 poise specific gravity 117 part 2 physical form viscous liquid chemical type mercaptan