PTFE Graphite Braided Packing is moulded by soaking polytetrafluoroethylene with graphite Appearance: black, gray blackSpecification: 4 x 4-40 x 40Application temperature: 260 degrees (500F)Application medium: corrosive mediaInstallation part: stuffing box for pump shaft, stem packingCharacter: anti fraying, temperature resistant, copy American gore material formula PTFE Graphite Braided Packing ...