... suitable applies in many fields of anticorrosion. magnesium anode, mg S type anode:Standard: ASTM B 843-1995, SY/T10019-1997, ... GB/T17731-2004Main application: Sacrificial mg anode suitable applies in the fields of anticorrosion. Such as ... cable, chemical, communication, bay, watercraft and reservoir strobe. American standard S type magnesium anode