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 * Avantguard™ * Axalta * Coating Condition Survey * Coating Failures * Carboline * Epoxy Coatings * Epoxy Phenolics * ExcelPlas Labs * Experts App * Failure Analysis * Hempaguard™ NB * Hempel * International Paints * Jotun * Maersk * Michael Hansen * Petronas * PPG * Protective Coatings * Sherwin Williams
BREAKING NEWS
Akzo Nobel Issue Important Update on Project Ichthys Legal Case [PDF]
Sherwin Williams Consolidated Income Figures Posted by US Government
INDUSTRY PODCASTS
English Podcast on Hempel’s New Hempaguard NB Silicone Coating Innovation for Newbuild Vessels [mp3]
Danish Podcast on Hempel’s New Hempaguard NB Silicone Coating Innovation for Newbuild Vessels [mp3]
INDUSTRY NEWS
Akzo Nobel Warns of Tough Year as Slow Sales Cap Earnings
Hempel Completes First Round of Successful Applications with Hempaguard™ NB on New Maersk Vessels
Hempel Publish Guide on Coatings for Crane Protection [PDF]
Hempel Seeking Protective Coatings Engineer for Indonesia Role
Beyond SP10 – Critical Thinking in Aligning Surface Preparation with Modern Pipeline Coatings
NEW PATENTS
Jotun Patent Polysiloxane-based Fouling Release Coating to Compete Head to Head with Hempel
Jotun Patent New Bisphenol F Solvent Free Epoxy Primer Anticorrosion Coating
Hempel Patent Polysiloxane Based Intumescent Coating Composition
Hempel Develop Monitoring System For Monitoring Cracking of Protective Coatings
NEW ADVANCES
LATEST RESEARCH
Dynamic Risk Assessment Framework for Offshore Pipelines Corrosion Under Insulation
Polydopamine-Graphene Boosts Anticorrosion Performance of Waterborne Zinc-rich Epoxy Coatings
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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