... for ship 2)Hign temperature zinc anode 3)Ribbon zinc anode 4)Bracelet zinc anode Certification: DNV, BV, ABS, CCS, ... Military Specification Anode, Sacrificial Zinc Alloy,ASTM B 418 Cast and Wrought galvanic zinc anodesGB/T 4950-2002 Sacrificial ... .003 Max.0.0014Max.0.002Max.0.003Max./Zinc Anode Operating At High Temperature0.10%-0.25 ... .006%Max.0.05%-0.15% Zinc Alloy Anode for seawater cooling system