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11017 Bolt Corrosion Prevented by Corrosion-Inhibiting Spray-On Thermoplastic

Picture for 11017 Bolt Corrosion Prevented by Corrosion-Inhibiting Spray-On Thermoplastic
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Product Number: 51300-11017-SG
ISBN: 11017 2011 CP
Author: Timothy J. Davison, Michael W. Joosten and Iain Matheson
Publication Date: 2011
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$20.00
$20.00
Numerous industrial facilities, especially offshore oil and gas installations, are plagued by bolt corrosion problems. With a limited record of success in prevention or cure, material loss from corrosion is often factored into maintenance planning, with bolt replacement as a solution when integrity is threatened.

An increasing focus on overall maintenance as an essential part of reducing problems in safety-critical systems makes the prevention of corrosion effects on basic components such as bolts and fasteners an increasingly important goal. This paper describes a corrosion-inhibiting sprayable thermoplastic system that has demonstrated success in the provision of extended corrosion protection on both new and rusting bolts in extreme conditions.

The system uses purpose-built equipment to spray a thermoplastic material containing inhibiting oils to encapsulate the substrate. The paper includes a review of current bolt coating systems and describes the thermoplastic system, together with field case histories showing how this product has effectively prevented or stopped on-going bolt corrosion issues found in offshore oil and gas production systems as well as the in mining industry and on LPG tankers.

Keywords: alloy, bolt, corrosion, encapsulation, fastener, flange, gas, inhibiting, offshore, oil, plating, sprayable, thermoplastic, valve, zinc
Numerous industrial facilities, especially offshore oil and gas installations, are plagued by bolt corrosion problems. With a limited record of success in prevention or cure, material loss from corrosion is often factored into maintenance planning, with bolt replacement as a solution when integrity is threatened.

An increasing focus on overall maintenance as an essential part of reducing problems in safety-critical systems makes the prevention of corrosion effects on basic components such as bolts and fasteners an increasingly important goal. This paper describes a corrosion-inhibiting sprayable thermoplastic system that has demonstrated success in the provision of extended corrosion protection on both new and rusting bolts in extreme conditions.

The system uses purpose-built equipment to spray a thermoplastic material containing inhibiting oils to encapsulate the substrate. The paper includes a review of current bolt coating systems and describes the thermoplastic system, together with field case histories showing how this product has effectively prevented or stopped on-going bolt corrosion issues found in offshore oil and gas production systems as well as the in mining industry and on LPG tankers.

Keywords: alloy, bolt, corrosion, encapsulation, fastener, flange, gas, inhibiting, offshore, oil, plating, sprayable, thermoplastic, valve, zinc
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