This paper will critically review the current philosophies described in ISO and NACE anti-corrosive performance test standards, taking into consideration correlation with natural exposure, track record, validity of "acceptance" or "pre-qualification criteria", dry film thickness and suggested areas for improvement.
Product Number:
51300-05021-SG
ISBN:
05021 2005 CP
Author:
David Claydon, International Paints UK; Michael J. Mitchell and Darren Ward, International Protectiv
Publication Date:
2005
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Over the last few years within the offshore sector of the Protective Coatings industry, there have been a number of ISO and NACE anti-corrosive performance test standards, both under development and subject to imminent release, which are influencing how coatings are evaluated. Also, some Norwegian Standards, specifically for offshore under the Norsok banner, in particular Norsok M501 for coatings, has been widely used globally.
This paper will critically review the current philosophies described, taking into consideration correlation with natural exposure, track record, validity of "acceptance" or "pre-qualification criteria", dry film thickness and suggested areas for improvement. Focus will revolve around extensive evaluations of currently used and in-house developed cyclic corrosion and thermal cyclic tests, along with other miscellaneous testing methods which are commonly being used in the industry today.
Key Words: Anti-Corrosive Performance Tests, Cyclic Corrosion, Thermal Cycling, Pre-qualification Criteria.