Expanded graphite molded packing is press-molded into a ring form of required dimensions. The resiliency and structure of expanded graphite molded packings are not affected by chemical attack, consequently it provides effective seal without any torque loss. 　　 It can be used to seal hot water, high temperature and pressure steam, heat transfer fluid, hydrogen gas, ammonia, organic solvents, hydrocarbons, cryogenic liquids ect.