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Belzona® Renews Damaged Lining



Petrochemical (PETR)



Tanks and Chemical Containment Areas (TCC)


Customer Location:

Refinery in North Texas, U.S.A.


Application Date:

October 2002


Application Situation:

Fiberglass tank used to store spent sulfuric acid.



Dilute sulfuric acid eventually attacked the fiberglass surface and had the gelcoat completely eaten away in sections. The first layer of cloth was exposed in 50% of the internal tank surface.



Belzona® 5811 (Immersion Grade)



Fiberglass Re-enforced Polyester


Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflet TCC-3.


Belzona Facts:

All exposed glass fiber ends were shaved off. The internal tank surface was blasted and coated with two coats of Belzona® 5811. In August 2003, the refinery reported it had experienced perfect performance with coating.


Photographs Description

  1. Outside view of the sulfuric acid holding tank
  2. Close-up view of the FRP substrate
  3. Application of the first coat commences
  4. The second coat is applied
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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