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The Offshore Oil and Gas environment is among the most corrosive in the world. It is also one of the mostdangerous. Providing safe working surfaces is a requirement of the Bureau of Safety and EnvironmentalEnforcement (BSEE) and is desired by asset owners and contractors alike. Balancing safety with production,downtime, and turn-around times is always a battle, but one coating manufacturer seems to have solvedthese issues through its development of a single coat zinc carbon nanotube (CNT) non-skid epoxy deck coatthat provides galvanic protection via the sacrificial metal’s electron transfer along the CNT quantum network.
The Offshore Oil and Gas environment is among the most corrosive in the world. It is also one of the mostdangerous. Providing safe working surfaces is a requirement of the Bureau of Safety and EnvironmentalEnforcement (BSEE) and is desired by asset owners and contractors alike. Balancing safety with production,downtime, and turn-around times is always a battle, but one coating manufacturer seems to have solvedthese issues through its development of a single coat zinc carbon nanotube (CNT) non-skid epoxy deck coatthat provides galvanic protection via the sacrificial metal’s electron transfer along the CNT quantum network.The nano non-skid coating is a single coat solution and is ready for service in under 24 hours.This paper (and presentation) will highlight some of the formulation challenges encountered whendeveloping this first of its kind deck coating, address how this single coat application improves efficiency overother multi coat applied products and outlines the ease of installation with some traditional and newapplication approaches.
Coating systems are critical in the mitigation of corrosion on pipelines and their integrated parts.Epoxies offer a multitude of positive characteristics including: high adhesion at a chemical level,excellent abrasion resistance, and reduced water permeation rates when compared to vinylesters. A newly engineered cold weather epoxy (“Epoxy-20F”) improves upon these epoxycharacteristics and exceeds that of vinyl esters.
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CUI (corrosion under insulation) is a pervasive, difficult and high-liability issue for petrochemical, power, shipping, and other industries. Situational variations (meteorological, geographical, seasonal, etc.) can confound conventionally specified surface preparation attempts to achieve perfect or near-perfect metal hygiene, thus reducing expected coating life by 30 to 75 percent. Because conventional surface preparation processes have historically been unable to adequately relieve microcontamination of metal surfaces, organizations have settled for an uneasy balance between economic and physical feasibilities that exclude the possibility of achieving ideal surface preparation outcomes and rely more heavily upon barrier coatings to supply needed corrosion control.
Zinc-rich primers, with zinc dust loadings of 80-85% by weight in the dry film, are often the preferred primer during new construction of assets placed in environments with high atmospheric corrosivity. Coating standards such as SSPC-Paint 20 and ISO 12944 demand that zinc-rich primers contain at least 65% and 80% zinc dust by weight in the final dry film, respectively. Traditional zinc rich primers need this high zinc loading to achieve galvanic protection of steel. New technology allows us to develop zinc primers with a lower content of zinc and/or different zinc morphology than dust to provide similar or better corrosion protection to the steel.