BELZONA RENEWS DAMAGED LINING

KHIA ID: 393
Industry: Chemical & Petrochemical (PETR)
Application: TCC-Tanks and Chemical Containment Areas (TCC)
Substrate: Fiberglass Re-enforced Polyester
Customer Location: Refinery in North Texas, U.S.A.
Application Date: October 2002
Products:

Belzona® 5811 (Immersion Grade)

Problem: 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.
Photograph Descriptions
  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
Application Situation
Fiberglass tank used to store spent sulfuric acid.
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.
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