Thus it can be seen that the development of corrosion-resistant oxygen (air) cathodes of improved durability for use in conjunction with chlor-alkali cells is an overall objective in the field of electrochemistry.PRIOR ARTU.S. Pat. No. 4,058,482, Baris et al, discloses an active layer sheet material principally comprised of a polymer such as PTFE and a pore-forming material wherein the sheet is fo