Glass fiber PTFE packing is braided by texturized fiberglass yarns impregnated with PTFE dispersion . can be utilized on stailess steel or chromed shafts in the presence of high peripheral speeds without etching them. Suitable for alkalis, thinned inorganic acids, water, steam, organic gases, solution of every kind. it can be utilized in paper mills, plant, foodstuff, pharmaceutical and oenologic industries.