Noble Mixed Metal Oxides consisting of IrO2 and Ta2O5 Substrate Material: Titanium to ASTM Grade 1 or 2 Working Environment: Evolution of O2, Cl2 or a combination of both Nominal Design Life: Typically 20 years when operating at an anode current density of 100 A/m2 coating loading can be adjusted for any combination of current output and design life. Welcome to visit our official website : http://www.cathodicprotection-anodes.com