Jotun Delivers New All-time High Sales and Earning

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 * Coating Condition Survey * Coating Failures * Corrosion Under Insulation * CUI * Epoxy Coatings * ExcelPlas Labs * Failure Analysis * Graphene * Hempel * INPEX * International Paints * Jotamastic™ * KTA * LNG * PCN * PPG * Protective Coatings * Self Healing Coatings * Self-Reporting Coatings * Sherwin Williams


Jotun Delivers New All-time High Sales and Earnings in The First Tertiary Of 2024, Jotun Continues the Strong Momentum From Last Year


Why Commercial Epoxy-Phenolic Coatings Can Crack in Service Leading to Costly Failures [PDF]

Jotun Publishes New Jotamastic™ Coating Brochure for Unconditional Steel Protection

KTA University –  Let’s Talk About Differences Between Coating Inspection Standards

Special Feature – Focus on Smart Coatings: Using Bio-based Tannic Acid to Achieve Weathering and Corrosion Resistant, Self-Warning and Self-Healing Epoxy Coatings

AkzoNobel – Sustainability in Coatings: A Conversation with AkzoNobel Experts (Video)

INPEX Appoints New Boss for LNG Operations Darwin

Sherwin Williams Discuss the New AWWA Guide for Epoxy Coatings for Steel Water Pipes


Hempel Seeking Senior Coating Scientist for Denmark

Hempel Seeking Senior Coating Advisor for Indonesia

INPEX Seeking Senior Engineer Onshore LNG Material & Corrosion for Indonesia


Influence of Unzipped Multiwalled Carbon Nanotube Oxides-Epoxy Paint on the Corrosion Rate of Mild Steel in Marine Environment

Improved Performance of Epoxy resin coating with the Modification of Dopamine Doped Ti4O7

Zinc–Cobalt Bimetallic Metal-Organic Framework (Zn/Co-MOF) Nanoparticles as Potent pH Stimuli Anti-Corrosive Agent for Self-Healable Epoxy Coatings

Anticorrosion and Adhesion Performance of a Monolayer and Double Layer Silane-Epoxy Coating Systems Applied on Carbon Steel

Self-Reporting and Self-Healing Dual Functional Anticorrosive Coating based on Tannic Acid Additives

Understanding the Multifunctional Anticorrosion Protective Mechanism of Epoxy-based Coatings Modified with Hydrogel and Benzotriazole Nanotubes for Q235 Steel Protection in 3.5 % NaCl

Smart Epoxy Coating Containing Inhibitor-Loaded Cellulose Nanocrystals for Corrosion Protection of Steel

Impacts Of Temperature and Coating Pigment Ratios on The Corrosion Rate of Epoxy Coated SS400 Steel

Effects of Nanoadditives on the Anticorrosion Performance of Nanocomposite Coatings: A Review

Enhancing the Corrosion Resistance of Epoxy Coatings Using CaAl LDH Intercalated with L-cysteine as a Pigment on Steel Substrate

Advances in Corrosion Protection by Organic Coatings: What we Know and What We Would Like to Know

Development and Application of Intelligent Coating Technology: A Review

Fabrication of Diisocyanate Microcapsules for Self-Healing Anti-Corrosion Epoxy Coatings via Integrating Electrospraying and Interfacial Polymerization

Polyaniline-Wrapped H-Boron Nitride Nanosheets as Anticorrosive Filler in Epoxy Coatings for Substantially Enhanced Protection of Mild Steel


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)

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 (

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)

Testing of Epoxy Coatings (LAE, FJC, FBE), heat shrink sleeves and tapes, barrier tapes, and meshes.

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