Introduction Of Soft Graphite Felt

Carbon felt is graphite felt after high temperature treatment above 2000 ℃ in vacuum or inert atmosphere. The carbon content of carbon felt is more than 99% than that of carbon felt. At the end of 1960s, graphite felt had been supplied in the world. The graphite felt can be divided into polyacrylonitrile based carbon felt and viscose based carbon felt due to the different selection of the original felt. The pan based carbon felt or viscose based carbon felt is cut into the required size, rolled into a cylinder and put into a container made of graphite material. The graphite container is placed in a high temperature furnace (high temperature furnace is graphite tube furnace, medium frequency, high frequency induction furnace or other heating forms of high temperature furnace), and vacuum or open High purity inert gas protection, heating to 2200-2500 ℃ at the heating rate of 100-300 ℃ / h, and then natural cooling to 100 ℃.