1.Al anode is suitable for the metal anticorrosion cathode protection of facilities in seawater media. 2.ISO9001:2000 seawater as the medium. Main applicatin:Al-Zn-In alloy sacrificial anode is applied for the cathodic protection of vessel, mechanic equipment, ballast Tank inner, seashore facility, seabed piprline,dock steel peg,ocean platform and cable etc. which applied for the seawater as the ...