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Pipe External Corrosion Protection

OVERVIEW:    Chemcote was engaged to provide long term protection to assets in a highly aggressive environment. Salt water mains supplying a condenser were externally corroded, and the requirement was for urgent repairs with minimal disruption to plant operation. A 20 year life extension is expected using Chemcote’s solution.



Industrial immersed areas


Mild steel pipework with extensive external corrosion due to steam from pit below and salt water leaks from above


Carry out external corrosion protection to equipment in situ


Apply Epo-Chem™ RS 500P @ 100 microns

Apply Epo-Chem™ RA 500M in one coat @ 350-400 microns total DFT

Apply 1 coat of Epo-Chem™ RC 500GTC Jade Green

Unmask and detail


Check for sharp edges and remove any weld spatter

Mechanically clean loose corrosion using needle gun and wash down



Chemcote’s solution has extended the life of this asset by 12-24 months, and delivered a 30% improvement in functioning. Continuous high performance is guaranteed until our review at the next planned outage.


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