Silica PTFE sheet is a style of modified PTFE RL-5226(Silica PTFE sheet) is a style of modified PTFE, It contains silica particles and suitable for almost all the media of PH0-14, especially for the strong acid and strong base class (except hydrofluoric acid),It is also suitable for the sealing of the solvent,water,steam,chlorides and other media. Silica PTFE sheet