TOUGH-SEAL™ & TOUGH-SEAL™ ULTRA are original and next generation family of potting compounds, available in a variety of formulations that vary in gel time, viscosity, and hardness. From our self-leveling low and medium viscosity formulations for complete coverage around printed circuit board components or connectors, to our glob-top formulation for localized potting and damming, to our new UL 94 V-0 Listed formulation, the TOUGH-SEAL™ product line has something to fit a wide variety of potting and encapsulating applications.