KHIA headerKnow-How in Action


Belzona® Seals Pcb Leak



Petrochemical (PETR)



Valves, Pipes and Fittings (VPF)


Customer Location:

Chemical factory, Japan


Application Date:

September, 2009


Application Situation:

Transformer filled with PCB (Polychlorinated Biphenyl)



Leak caused by insulator damage. PCBs are extreme environmental pollutants now widely banned. Disposal can only be through specialist waste handlers. this leak was preventing safe disposal of the transformer.



Belzona® 1161 (Super UW metal)



Porcelain and Copper


Application Method:

Application carried out in accordance with modified Belzona Know-How System Leaflet VPF-11a. Belzona® 1161 was applied at 3-4 mm thickness onto the broken insulator. Cure was accelerated by using heat lamps.


Belzona Facts:

The customer wanted to dispose of the condenser but this request was refused by a waste disposal firm as the equipment would cause environmental contamination by PCB. The Belzona repair was completed quickly allowing disposal to safely continue without risk of polluting the environment.


Photographs Description

  1. The broken and leaking insulator
  2. Surface preparation completed
  3. Belzona® 1161 applied
  4. Application completed
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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