METAL RESTORATION

 

 

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Nearly all parts requiring re-plating will need to undergo metal restoration to some extent.  Before a part can be re-plated the existing plating must be removed.  After years of exposure to harsh environments most metals have begun to break down and corrode.  This is sometimes visible in the existing plating but the severity of the corrosion is often concealed.  Once stripped however, the damage caused to the material becomes more evident.  Steels will rust and rot.  Aluminums can display heavy pitting from oxidation.  The worst of all is zinc die castings or pot metal.  These materials not only corrode heavily but most castings were severely porous originally due to poor casting methods.  After stripping, this metal can be found mushy, discolored or crumbling.  Any areas with these conditions must be removed.  Also, any pits must be completely opened up or drilled out.  The plating to follow will only adhere to clean, solid metal.  Most die cast parts end up being reconstructed using a combination of solder, copper, or other metals.  Only after the part has been returned to its original size and shape can it be finish plated.

 

 

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