TCI Composite Indium Sheet LeaderTech TCI Composite Indium Sheet is designed to transition from solid to liquid at its melting point and back to solid again at room temperature. This thermal interface product also offers uniform thermal resistance in compressed environments where low stress is applied. Other features include good thermal stability, +80°C melting point and a thickness range of 0.2 mm to 0.5 mm. LeaderTech TCI Composite Indium Sheet is ideal for applications such as graphic processors, base stations, microprocessors, laptops and CPUs / APUs.