Ultra clear, 2-part, fast-setting, toughened, medium viscosity, industrial grade epoxy adhesive.LOCTITE EA E-05CL is an ultra clear, 2-part, fast-setting, toughened, medium viscosity, industrial grade epoxy adhesive. Once mixed, it cures at room temperature with low shrinkage and forms an ultra-clear bond line with excellent peel resistance. When fully cured, the epoxy is resistant to a wide range of chemicals and solvents, and acts as an excellent electrical insulator.