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Cooling Tower Fan Blades Repaired With Belzona



General Industry (GIND)



Fans, Blowers and Compressors (FBC)


Customer Location:

Fertilizer Producer, Indonesia


Application Date:

February 2010


Application Situation:

GRP fan blades from cooling tower



Erosion on leading edges, cracks and flaking on trailing edges of cooling tower fan blades caused by UV degradation, erosion and impingement. This reduces the overall efficiency and operation of the cooling system.



Belzona® 1311 (Ceramic R Metal)

Belzona® 1321 (Ceramic S Metal)

Belzona® 5811 (Immersion Grade)





Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet FBC-1. The Leading edges and trailing edges were  rebuilt with Belzona® 1311 and subsequently coated with Belzona® 1321. Blade body was coated using Belzona® 5811.


Belzona Facts:

The Belzona refurbishment has avoided the high cost of blade replacement. Each cell contains six blades. The Belzona solution will provide the plant with long term protection of the blades.


Photographs Description

  1. Damage on leading edges
  2. Flaking on trailing edges
  3. Belzona application
  4. Completed blades after coating with Belzona® 1321 and Belzona® 5811
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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