MG Chemicals 8331S Silver Epoxy Adhesive - High Conductivity, 4 hr. working time, 15 g, 2 Dispeners Electrical resistivity: 0.006 cm, Thermal conductivity: 1.3 W/(mK). Continuous service temperature range from -40 to 150C (-67 to +302F ) Working time of 4 hours, Heat is required for proper cure (2 hours at 65C) Two-part silver-filled epoxy adhesive with good conductivity and slower working time than MG Chemicals 8331. Bond electronic devices, form conductivity seals, and cold solder heat-sensitive materials Easy 1:1 mix ratio. Stores and ships at room temperature, no freezing or dry ice required