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Understanding Insulation Chemistry Proven to Inhibit Corrosion Under Insulation (CUI)

Picture for Understanding Insulation Chemistry Proven to Inhibit Corrosion Under Insulation (CUI)
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Since 2002, a corrosion inhibiting chemistry package has been an integral part of two specific industrial insulations. This paper explains, at a molecular level, how this package engages a two-pronged defense (physical coating and pH buffering) against CUI.

Product Number: 51317--8876-SG
ISBN: 8876 2017 CP
Author: David Shong
Publication Date: 2017
Industries: Chemical Inhibitors , Corrosion Monitoring and Control
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$20.00

Since 2002 the chemical package XOX has been an integral part of two specific industrial insulations to actively and continuously inhibit corrosion under insulation (CUI). The package relies on liquid water infiltration as a catalyst to provide a layer of corrosion protection for the life of the insulation. This paper explains at a molecular level how this time-tested package which is integral to domestic calcium silicate and expanded perlite insulations engages a two-pronged defense (physical coating and pH buffering) against CUI. Included are recent third-party test results that compare the corrosion performance of several common industrial insulations using mass loss corrosion rates (MLCR) when tested in accordance with the latest ASTM consensus method adopted in 2005.

Since 2002 the chemical package XOX has been an integral part of two specific industrial insulations to actively and continuously inhibit corrosion under insulation (CUI). The package relies on liquid water infiltration as a catalyst to provide a layer of corrosion protection for the life of the insulation. This paper explains at a molecular level how this time-tested package which is integral to domestic calcium silicate and expanded perlite insulations engages a two-pronged defense (physical coating and pH buffering) against CUI. Included are recent third-party test results that compare the corrosion performance of several common industrial insulations using mass loss corrosion rates (MLCR) when tested in accordance with the latest ASTM consensus method adopted in 2005.

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