... flake graphite, after acidification,expanded,twist and braided into a flexible packing. It is very chemically resistant, self-lubricating, It ... it as follows :PG-876 (Graphite Packing W/Cotton Carrier)PG-876G (Graphite Packing W/Fiber Glass carrier)PG-876C ... , used in 650℃ in atmosphere)PG-876N (Nuclear grade graphite Packing)CodeNo. (℃) Temperature (Bar) Pressure (m/s) Shaft speedPH range ...