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SHIPS ANODES - Zinc Galvanic Anodes

   ZINC GALVANIC ANODES
  PROPERTIES OF ZANODE

ZANODE is a cast type alloy anode with zinc having its purity of above 99.99% as its main component. ZANODE has the same components with MIL SPEC. A-18001-K, USA and has been widely accepted for about 30 years, especially by shipbuilders and owners all over the world, as the most ideal galvanic anodes for corrosion prevention.
The distinct properties of ZANODE are shown in the TABLE 1 and Graphic Display below.



TABLE 1. STANDARD PROPERTIES OF ZANODE
  Specific gravity7.15  
  Potential (Ag/AgCl)(V)-1.05  
  Current efficiency (%)95  
  Effective current capacity (Ahr/kg)780  
  Potential difference (V)0.25  


  TYPICAL ZANODE FOR BALLAST FOR BALLAST TANKS


  TYPICAL ZANODE FOR EXTERNAL HULLS


  HOW TO INSTALL

1) Welding type :
Welding type is by welding the core directly to the structure to be protected.

2) Bolt-on type :
Bolt-on type is by fastening the core with studbolt or U-bolt and nut to the structure to
be protected.

3) Precaution:
Do not apply paint or gluey cover on the surface of anode.