3M Scotch-Weld epoxy adhesive 125 as a low odor, two-part gray epoxy that creates strong structural and flexible bonds on metal, ceramics, wood and many plastics. It provides the reliability and strength you need to maintain productive, cost effective results. - Epoxy adhesive 125 is a versatile, medium viscosity, gray epoxy adhesive that pours easily with minimal dripping, running and migration that will flow smoothly for a controlled, accurate dispensing.