Session: Marine Corrosion and Performance Issues for Materials and Coatings
Efficacy of Some Commercial Corrosion Inhibiting Compounds in Mitigating Crevice Corrosion in Marine Environments (C2026-00439)
Monday, March 16, 2026
8:30 AM - 9:00 AM Central
Location: 361 DE
Earn .5 PDH
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Commercial Corrosion Inhibiting Compounds (CICs) are widely used by government and non-governmental organizations for the mitigation of crevice corrosion in lap-joints or bolted carbon steel components which often do not have any coating protection in the occluded areas. A project was undertaken to test the efficacy of three commercially available CIC products from three different manufacturers in mitigating crevice corrosion in marine environments. These products identified here as A, B and C consisted of the following: Product (A) – a 99% biobased ready-to use corrosion inhibiting product with canola oil as the carrier; Product (B) – a proprietary blend of corrosion inhibitor with butane/iso-butane/propane as the carrier in the form of an aerosol; and Product (C) – a proprietary corrosion preventive aerosol blend containing petroleum distillates, tetrafluoromethane, Barium oxidate and Barium sulfonate. Laboratory climatic exposure tests using standard procedures and outdoor exposure tests in marine environments with specially designed crevice test samples showed that Product (C) was effective in mitigating crevice corrosion while Products (A) and (C) were partially effective. Details about the test specimens, test procedures and test results are discussed in the paper.
