Substrate: pure titanium Grade1 or Grade2 Surface: Will be coated with Ruthenium , Iridium , Tantalum MMO ... Titanium anode 1 Substrate: pure titanium Grade1 or Grade2 2 Surface: Will be coated with Ruthenium , Iridium , Tantalum ... 6 The shapes of titanium anode :Plate type ,mesh type ,sheet type ,wire type ,rod type, tube type ,strip type and basket ...