KHIA headerKnow-How in Action


Belzona® Repairs And Protects Corroded Shell



Petrochemical (PETR)



Heat Exchangers (HEX)


Customer Location:

Petrochemical facility, Egypt


Application Date:

January 2004


Application Situation:

Heat exchanger shell



Shell and dished end were highly corroded due to chemical attack that resulted in critical wall thickness reduction in the shell.



Belzona® Marine Metal

Belzona® 1321 (Ceramic S-Metal)



Carbon steel


Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflets HEX-2 and HEX-3. Belzona® Marine Metal was used to restore the original dimensions then Belzona® 1321 was used to protect the restored area from any further corrosion.


Belzona Facts:

Repair completed quickly and safely, thickness of the shell was restored to the original dimensions with no heat and no special tools. As measured weekly, the vessel stopped losing wall thickness, resisting chemical attack and still in excellent condition.


Photographs Description

  1. General view of the shell and cover.
  2. The corroded surface inside the shell.
  3. Forming the applied Belzona® Marine Metal.
  4. Belzona® Marine Metal rebuild successfully completed. Belzona® 1321 applied to provide overall corrosion protection.
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