75339823
Aug 7, 1997
Polytetrafluoroethylene (PTFE) chemicals having enhanced porosity or other physical characteristics for use in the manufacture of seals, gaskets, O-rings, spacers and inserts for providing pressure relief from sealed containers by permitting one way transmission of gases and water vapor
Chemicalsnon-metallic seals, gaskets, O-rings, spacers and inserts made of polytetrafluoroethylene (PTFE) having enhanced porosity or other physical characteristics for providing pressure relief from sealed containers by permitting one way transmission of gases and water vapor
Rubber Goods