info(at)acsealing com Carton fiber gacking is made of Polyacrylonitrile fiber heated into carbonized fiber, which is woven into packing after impregnation in PTFE dispersion cont-aining graphite particles. It is used as dynamic sealing in the presence of media of weak acid or alkaline, or media that contain few grains of solid particles.

Application: it is mostly used in to dynamic sealing location under general working condition. used in the medium with few particle crystal.