PCN – Communicating News In Protective Coatings Globally in Real-Time
Leading Source of Industry News on Protective Coatings for Oil & Gas, Pipelines, Marine and Construction
NEWSMAKERS: * Akzo Nobel * ANIP * Coating Condition Survey * Coating Failures * Epoxy Coatings * Epoxy Phenolics * ExcelPlas Labs * Failure Analysis * Graphene * Hempel * International Paints * Intertherm™ 228 * Jotun * JSW Paints * Lloyd’s Register * Microcapsules * Nafion™ * PPG * Protective Coatings * Self-Healing Coatings * Sherwin Williams * Sinopec
BREAKING NEWS
Meet the Tycoon Savitri Jindal Buying Akzo Nobel’s India Business In $1.6 Billion Deal
LEGAL NEWS
Trilegal advised Akzo Nobel N.V. on the proposed sale of up to 74.76% stake in Akzo Nobel India
NEW RESEARCH
Tailoring an Epoxy-Polyurethane Self-Healing Coating for Anticorrosion Performance
Luminescent Carbon Dot-Graphene Oxide Epoxy Coatings: Enhanced Corrosion Protection and Detection
An Evaluation of Field-Applied Corrosion Barriers
NEWS IN BREIF: Financials (Winners and Losers)
Chugoku Marine Paints: For the fiscal year ending March 2025, Chugoku reported a 13% increase in revenue to JP¥131.2 billion and a 39% rise in net income to JP¥13.7 billion.
Jotun reported record sales and earnings in the first four months of 2025, with operating revenue reaching NOK 11.38 billion (approximately $1.12 billion), a 4% increase from the same period in 2024. Growth was driven by all segments, particularly Marine and Protective Coatings.
PPG Industries: PPG’s stock declined by 2.38%, closing at $115.46, underperforming compared to competitors like Sherwin-Williams.
Sherwin-William Sherwin-Williams’ stock experienced declines, contributing significantly to the Dow Jones Industrial Average’s drop on July 7.
COATINGS FAILURE ANALYSIS
Exploring Epoxy Coating Failures with ExcelPlas Labs
While epoxy coatings are generally durable and effective at preventing corrosion, there are a few common types of epoxy coating failures that can occur:
- Adhesion failure: This occurs when the epoxy coating fails to properly adhere to the surface of the pipe, which can be caused by factors such as improper surface preparation or a poorly formulated coating. Adhesion failure can result in the coating peeling or flaking off, exposing the underlying steel surface to corrosion.
- Blistering: This occurs when small bubbles or blisters form on the surface of the epoxy coating, which can be caused by improper surface preparation, moisture contamination, or excessive heat during curing.
- Cracking: This occurs when the epoxy coating develops small cracks, which can be caused by factors such as thermal expansion and contraction, improper coating thickness, or exposure to chemicals.
- Delamination: This occurs due to intercoat or interfacial adhesion failure due to the presence of a weak boundary layer such as silicone or hydrocarbon oil contamination.
Failure Analysis and Investigation of Protective Coatings in Mining, Marine Offshore Oil & Gas Chemical Plants, Energy Infrastructure and Bridges (Ask the Experts)
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Critical Questions for Protective Coatings for Asset Protection in Oil & Gas, LNG:
- Why is the coating not stopping corrosion?
- Why is the coating delaminating or blistering?
- Has the coating been correctly specified / applied?
- Does the coating meet the manufacturing standard, including properties such as correct hardness/cure, adhesion and thickness?
- What surface preparation and atmospheric conditions must be achieved to successfully apply the coating?
- Does the coating have any defects in it? How will these affect performance?
- Why did the coating fail? Root cause assessment.
- How can the coating be successfully repaired/remediated so that it doesn’t fail again?
ExcelPlas Labs can answer these questions and more…
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This newsletter is brought to you by ExcelPlas Coating Labs (http://www.excelplas.com/)
ExcelPlas Labs provides independent testing, analysis, and investigation on protective coatings to prevent corrosion.
ExcelPlas has extensive analytical capabilities for testing of Protective Coatings and Insulation Consulting for major oil and gas companies.
We conduct corrosion surveys, coating sampling, coating analysis, and testing to ensure coating specifications for a wide range of onshore and offshore clients in Australia and the Asia-Pacific Region.
ExcelPlas Labs offer a full range of coating testing and analytical services to Australia’s mining, oil, gas, and infrastructure sectors.
Forensic analysis for undertaking various coating-based failure investigations and problem-solving.
ExcelPlas Undertakes Analysis & Testing of Polymer Coating Systems including:
- Epoxy Protective Coatings
- Epoxy-Phenolic Protective Coatings
- Fusion bonded epoxy (FBE)
- Dual-Layer Fusion bonded epoxy (DLFBE)
- Liquid applied epoxy (LAE)
- Abrasion-resistant overcoat (ARO)
- Three-layer PE (3LPE)
- Multi-component liquid spray (MCL)
- Heat shrink sleeves (HSS)
Testing on Coatings that ExcelPlas can Undertake includes:
- Coating identification by Infra-red Analysis (FTIR)
- Degree of Cure by Thermal Analysis (DSC)
- Coating Filler Identification by X-ray Analysis (EDS/XRD)
- Coating Microstructure by Embedding, Polishing, and Optical Microscopy (OM)
- Coating Thermal Stability and Composition by Thermogravimetric Analysis (TGA)
DSC – Phase transition/volatiles / Tg / degree of cure/characterisation
TGA – Volatile compounds, inorganic mass % mix ratio
Element mapping for chlorides on paint flakes
Microscopy -Count layers and thickness of layers
- Assess porosity and voids
- Check distribution and orientation of filler particles
Condition monitoring and analysis of corrosion prevention coatings (epoxies, epoxy-phenolics)
http://www.excelplas.com/
Testing of Epoxy Coatings (LAE, FJC, FBE), heat shrink sleeves and tapes, barrier tapes, and meshes.
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