Performance Criteria • Cargo Specific • Intermittent Wet & Dry Protective coating systems for tanks ore cargo-specific. Coating system selection is also determined by method and degree of surface preparation achievable, current surface condition, and economics. Proper surface preparation is critical if satisfactory coating performance is to be achieved within a storage or ballast tank environment. A wide variety of protective coatings have been employed in the coatings of tanks on ships, including: catalyzed epoxies, coal tar (vinyls), coal tar epoxies, etc. Coatings for potable water storage tanks must be approved by the National Sanitation Foundation and be listed in NSF Standards 60/61.

Economic and regulatory considerations are driving the development of high performance coating for ballast tanks and other areas that are difficult to protect and maintain. Significant monetary savings will be realized by the enhancement of coating performance and the extension of maintenance painting intervals in tank environments.

Maritime Standards History

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