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51316-7832-Comparison of Performance of Different Insulative Coating Systems for Offshore Applications

Picture for Comparison of Performance of Different Insulative Coating Systems for Offshore Applications
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Product Number: 51316-7832-SG
ISBN: 7832 2016 CP
Author: Thu Addis
Publication Date: 2016
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$20.00
$20.00
There have been many instances of Corrosion Under Insulation (CUI) in the Gulf of Mexico (GoM) and worldwide. On most sites CUI tends to be a medium to long-term phenomenon with the risk of CUI increasing significantly after a 5 to 10 year “holiday period” but can also occur well before this. A lack of appreciation of the impact on the type of insulation used the proper application and maintenance /repair combined with regular testing firewater deluge systems water leaking from poor connections in adjacent pipework severity of the prevailing weather conditions or simply due to the general environment like offshore can often lead to CUI failures earlier than could otherwise have been envisioned. In order to reduce the likelihood of CUI under traditional typical types of insulation proper insulative coatings can be used instead where applicable.The objective of this study was to compare five different insulative coating systems applied to several test panels to determine which system/s are most suitable for use in GoM offshore applications. These systems were applied according to manufacturers’ procedures on similar panels applied by the same applicator on the same day. The systems were evaluated in a third party independent laboratory to determine their performance. The objective was addressed by performing the following tests on various selected insulating coatings; temperature reduction tests the corrosion mitigation properties the impact and adhesion resistance test moisture permeability ease of application ability to inspect metal substrate under coating and the thermal cracking resistance.The testing procedures developed and test results are discussed in this paper.Key words: Corrosion under insulation; Insulative coating
There have been many instances of Corrosion Under Insulation (CUI) in the Gulf of Mexico (GoM) and worldwide. On most sites CUI tends to be a medium to long-term phenomenon with the risk of CUI increasing significantly after a 5 to 10 year “holiday period” but can also occur well before this. A lack of appreciation of the impact on the type of insulation used the proper application and maintenance /repair combined with regular testing firewater deluge systems water leaking from poor connections in adjacent pipework severity of the prevailing weather conditions or simply due to the general environment like offshore can often lead to CUI failures earlier than could otherwise have been envisioned. In order to reduce the likelihood of CUI under traditional typical types of insulation proper insulative coatings can be used instead where applicable.The objective of this study was to compare five different insulative coating systems applied to several test panels to determine which system/s are most suitable for use in GoM offshore applications. These systems were applied according to manufacturers’ procedures on similar panels applied by the same applicator on the same day. The systems were evaluated in a third party independent laboratory to determine their performance. The objective was addressed by performing the following tests on various selected insulating coatings; temperature reduction tests the corrosion mitigation properties the impact and adhesion resistance test moisture permeability ease of application ability to inspect metal substrate under coating and the thermal cracking resistance.The testing procedures developed and test results are discussed in this paper.Key words: Corrosion under insulation; Insulative coating
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Picture for Lessons Learned from Development of a CUI Coating
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51316-7831-Lessons Learned from Development of a CUI Coating

Product Number: 51316-7831-SG
ISBN: 7831 2016 CP
Author: James McDonald
Publication Date: 2016
$20.00
Picture for Evaluation of Protective Coatings to Mitigate Corrosion under Insulation
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51316-7804-Evaluation of Protective Coatings to Mitigate Corrosion under Insulation

Product Number: 51316-7804-SG
ISBN: 7804 2016 CP
Author: Yang Yang
Publication Date: 2016
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Picture for Cyclic CUI Testing of Insulation Materials
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Cyclic CUI Testing of Insulation Materials

Product Number: 51317--8877-SG
ISBN: 8877 2017 CP
Author: Soeren Rasmussen
Publication Date: 2017
$20.00

Via the testing of six generically different insulation materials, the study has tried to identify factors in an insulation material that are more influential on corrosion rates of carbon steel.

 
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