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Performance of Coatings in Seawater: A Field Study

Various polymeric coatings have been exposed to natural saltwater environments in Buzzard' s Bay, MA and at La Costa Island, FL for the last 18 years and 21 years respectively.   The coating systems were applied to 8 inch (20.32 cm) by 8 inch (20.32 cm) by 40 feet (12.19 m) A36 steel "H" pilings. The depth of the water ranged from 4 feet (1.22 m) to 8 feet (2.44 m). Periodic visual inspections have been conducted to evaluate the performance of the coating/ primer systems in the splash zone and in the immersed zone.      The coatings had windows to evaluate the under film corrosion attack by saltwater present near the Cape Cod canal. The coatings were evaluated according to ASTM visual standards at low tide. Results of the coating inspections and an evaluation of their effectiveness in preventing the corrosion of steel pilings in seawater will be presented.

Product Number: 51393-93439-SG
Author: A. Beitelman, v. L. Van Blaricum, A. Kumar
Publication Date: 1993
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01659 SURFACE PREPARATION STANDARDS

Product Number: 51300-01659-SG
ISBN: 01659 2001 CP
Author: L. D. "Lou" Vincent Ph.D.
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