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15.5-Year Inspection Reveals the Effectiveness of a Single-Coat Epoxy

15-Year Inspections Reveals the Effectiveness of Single-Coat Epoxy Coating System
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In the mid-1990s, the US Navy’s technical community, led by Naval Sea Systems Command (NAVSEA), recognized existing coatings used to protect the inside of ships’ tanks were failing on average 5-8 years after application. The high cost to blast and recoat over 11,000 tanks every 5-8 years, not counting submarines and aircraft carriers, was prohibitive. To address this issue, the Navy conducted a study to analyze the problem and decided to replace these legacy coatings with high solid epoxy coatings.1

Product Number: 51322-17996-SG
Author: Guy Zanti
Publication Date: 2022
Industries: Military , Maritime , Pipelines, Tanks, and Underground Systems , Coatings
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$20.00
$20.00

In 2000, the US Naval Research Laboratory (NRL) for Corrosion Science & Engineering began work on the Future Naval Capabilities’ Single Coat Program. The program aimed to reduce corrosion damage and maintenance time by replacing legacy, solvent-based coatings with high solids, single coat, rapid cure, MIL-PRF-23236D Type VII high solids epoxy coatings to the fleet.

In 2005, a US Navy ship’s seawater ballast tank coating had failed and needed replacement. The failed coating (applied in 1996) was replaced by a 100% solids epoxy coating system and the ship was returned to service. Follow-up inspections on the coating’s performance were conducted 15 months, 7.5 years, and 15.5 years after the lining was applied.

The 100% solids, single coat epoxy coatings system demonstrated that it was meeting the Navy’s goals of minimizing failures and reducing maintenance costs.

In 2000, the US Naval Research Laboratory (NRL) for Corrosion Science & Engineering began work on the Future Naval Capabilities’ Single Coat Program. The program aimed to reduce corrosion damage and maintenance time by replacing legacy, solvent-based coatings with high solids, single coat, rapid cure, MIL-PRF-23236D Type VII high solids epoxy coatings to the fleet.

In 2005, a US Navy ship’s seawater ballast tank coating had failed and needed replacement. The failed coating (applied in 1996) was replaced by a 100% solids epoxy coating system and the ship was returned to service. Follow-up inspections on the coating’s performance were conducted 15 months, 7.5 years, and 15.5 years after the lining was applied.

The 100% solids, single coat epoxy coatings system demonstrated that it was meeting the Navy’s goals of minimizing failures and reducing maintenance costs.

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(Inspection) What Do You Really Need to Know to be a Good Coatings Inspector?

Product Number: 60-COAT_DEC21
Author: William D. Corbett
Publication Date: 2021
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The role of a Coating Inspector has evolved considerably over the past few decades, and the responsibilities have increased over what used to be a rather straightforward job: to verify that surface preparation and coating application meet the project specification requirements. Today there are week-long or multi-week basic and advanced coating inspection courses, specialty courses that are industry-specific (e.g., bridge, nuclear), courses that are substrate-specific (e.g., concrete coatings inspection) and even coating-specific (e.g., inspection of thermal spray coatings). 
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(Pipeline, Oil & Gas) Advantages of a True 100% Epoxy, Pipeline Coating in Cold Weather vs. The Comm

Product Number: 22-COAT_DEC21
Author: Nicholas Barnett
Publication Date: 2021
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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 vinyl
esters. A newly engineered cold weather epoxy (“Epoxy-20F”) improves upon these epoxy
characteristics and exceeds that of vinyl esters.
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(Coating Formulation) Efficacy of Zinc Content in Sacrificial Protection of Coatings

Product Number: 44-COAT_DEC21
Author: Nicole Rakers / Mary Lyn Lim / Michael McCarthy / James Begley
Publication Date: 2021
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Zinc rich coatings have long been used in the protective coatings industry as one of the primary means of steel substrate protection against corrosion. The primary protection mechanism has historically been galvanic sacrificial loss of zinc metal and the simultaneous formation of protective zinc oxides and salts. Various standards and customer specifications exist to ensure that the coating will provide the necessary corrosion protection for the life of the asset.
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