Slumpys Scientific Sticky Serum is the the best glue to stick metal and glass, and just about anything else, together.Slumpys Scientific Sticky Serum is a two part serum that when mixed creates the strongest of bonds. Add to metal brackets to hang glass on the wall. 100+ Applications b>Click here to MSDS forms for Slumpys Scientific Sticky Serums b>Instructions:Clean both surfaces. Apply one serum to bracket, the other to your glass piece. Hold the two sides together for 15 seconds. Mount when completely dry.