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Products tagged with 'fusion bonded epoxy (fbe)'

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Picture for 11032 New Development of a High Tg FBE Coating
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11032 New Development of a High Tg FBE Coating

Product Number: 51300-11032-SG
ISBN: 2011 11032 CP
Author: Byungsoo Moon, Byungkap Paek, Jinseok Lee, Hyunwoong Wang, Namho Lee
Publication Date: 2011
$20.00

Fusion Bonded Epoxy (FBE) is required to protect the pipes in higher temperatures. This paper reports evaluation methods for these high Tg FBE, and the performance differences between the high Tg FBE and general FBE.
Picture for The Dilemma Found During Investigative Digs
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51317--9534-The Dilemma Found During Investigative Digs

Product Number: 51317--9534-SG
ISBN: 9534 2017 CP
Author: Joseph Pikas
Publication Date: 2017
$20.00

Coatings are supposed to be the first line of defense against corrosion, while cathodic protection is secondary. Is this really occurring? The findings of direct examination digs appear to show otherwise.

 
Picture for Corrosion Resistance Of FBE Internal Coating Pipe In High Temperature And High CO2-H2S-Cl- Environment
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Corrosion Resistance Of FBE Internal Coating Pipe In High Temperature And High CO2-H2S-Cl- Environment

Product Number: 51322-17509-SG
Author: Xuehua Fan, Yong Yu, Kun Fang, Yunan Zhang, Jinyang Zhu, Chang Liu, Feng Gu, Lei Zhang
Publication Date: 2022
$20.00

In 1950s, as an important measure to improve the corrosion resistance of base metal, internal coating pipes was first applied to sour crude oil and natural gas pipelines [1]. Among the coating systems, FBE coating has good impact resistance, bending resistance, high bonding strength, good resistance for acid, alkali, salt, oil and water fluid. The coating can reduce the internal surface roughness friction resistance of piping & pipeline to reduce project investment.
Picture for NACE SP0395-2022, Fusion-Bonded Epoxy Coating of Steel Reinforcing Bars
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NACE SP0395-2022, Fusion-Bonded Epoxy Coating of Steel Reinforcing Bars

Product Number: NACE SP0395-2022
Publication Date: 2022
$109.00

This standard defines the requirements for fusion-bonded epoxy (FBE) powder coatings applied by electrostatic spray or other suitable method to deformed and plain steel reinforcing bars that are suitable for fabrication after coating. This standard includes requirements and guidelines for ordering, cleaning, coating, inspecting, handling, transporting, and installing the coated steel reinforcing bars.
Picture for Overview of latest advances in measuring and understanding cathodic protection current permeability by organic coatings
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Overview of latest advances in measuring and understanding cathodic protection current permeability by organic coatings

Product Number: 51320-14685-SG
Author: Facundo Varela, Mauricio Latino, Yongjun Tan, Maria Forsyth
Publication Date: 2020
$20.00

Shielding of cathodic protection (CP) by disbonded coatings is considered a “worst case scenario” for external corrosion in the pipeline industry. It has been hypothesized that if coatings were partially permeable to CP, the imbalance between cathodic and anodic reactions would induce a high pH environment under disbonded coatings and that would impede corrosion. However, direct experimental evidence of this process has been limited. Moreover, this line of reasoning is often inversed incorrectly assuming that the only reason for the presence of a high pH environment under disbonded coatings is their partial permeability to CP current. 

The recent development of an electrochemical self-validating technique to measure the relatively small ionic currents that could permeate through defect free coatings has shed a new light on the topic. It has been found that most of the commercial pipeline coatings tested in unaged conditions present a CP shielding behavior. Accelerated hydrothermal ageing of fusion-bonded epoxy (FBE) coatings was performed to study the effect of water absorption. Ageing resulted in major plasticization, which increased the conduction of CP current through FBE coatings. However, FBE seems to be partially permeable to H+ and/or OH-, which reduces its ability to form and retain a high pH environment under disbonded coatings. In conjunction, these results thus indicate the extremely limited capability of commercial pipeline coatings to prevent corrosion in case of disbondment. 
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