A two-part, general-purpose epoxy, Tra-bond 293-1, report-edly forms strong resilient bonds to difficult-to-adhere metals including gold, brass, nickel, silver, and copper.
It has a high glass-transition temperature (98°C) and a working life of 8 hr. Tra-Con Inc., 45 Wiggins Ave., Bedford, MA 01730, (800) 872-2661, tra-con.com