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A New Look at Three Layer Polyethylene Coatings in Hot Water Immersion Test

With the broad use of three layer polyethylene (3LPE) coatings for external corrosion protection of oil and gas pipelines in the world more and more failures mainly relating to coating adhesion problem were observed. Substantialon-site failure case studies and investigations showed that 3LPE coatings generally retained good adhesion to steel pipelines without being put into service but complete disbondment of FBE primer to steel substrate usually occurred after 1–2 years service. In order to determine the mechanism of 3LPE adhesion loss this paper examined the influence of hot water immersion on performance of the 3LPE coatings by evaluating adhesion properties of the coatings before and after commissioning of the 3LPE applied pipelines at different periods.

Product Number: 51319-13503-SG
Author: Shaoguang Feng
Publication Date: 2019
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05034 Fitness for Purpose Issues Relating to FBE and Three Layer PE Coatings

Product Number: 51300-05034-SG
ISBN: 05034 2005 CP
Author: David Norman, David Norman Corrosion Control; Colin J. Argent, Nacaw Engineering Ltd.
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