It is a braide packing made of carbon fiber wich is impregnated with PTFE dispersiond. Pre- oxidized fiber has high strength and good thermal conductivity and PTFE makes the packing have excellent self-lurication. It is inert to almost al corrosive chemicals. It can be used for general applications and general service with high temperatures and high pressures in valves, pumps and sealing applications. Service with steam, oil, bleach, solvents, acids, alkalis and other products. TCC816 is treated by Graphite additionally.