Data and Analytics Drive Protective Coatings Developments

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Leading Source of Industry News on Protective Coatings for Oil & Gas, Pipelines, Marine and Construction

NEWSMAKERS:  * Akzo Nobel * Coating Condition Survey * Corrosion Under Insulation * CUI * DENSO * Dulux * Epoxy Coatings * ExcelPlas Labs * Failure Analysis * Gardco * Graphene * Hempel * International Paints * Interthane™ * Jotun * LNG * Microcapsules * PCN * PPG * Protective Coatings * Self-Healing Coatings * Sherwin Williams


Data and Analytics Drive Protective Coatings Developments

A Multilayer Perceptron-Based Neural Network Model for Predicting Steel Bridge Coating Conditions by Integrating Bridge and Environmental Features

INPEX LNG Boss in Darwin Suddenly Resigns

Painter Sues City of New York for Exposure to Coatings
Plaintiff was exposed to Interthane 990HS Top Coat paint on the New York Times Building project, which contains titanium dioxide, and is a potential lung carcinogen

Gardco Showcase Impressive Range of Tools to Detect and Prevent Coatings Failure

Dulux paint-maker AkzoNobel India’s Q3 profit climbs on strong demand

AkzoNobel delivers solid full-year 2023 results; Q4 confirms positive momentum in margin expansion and deleveraging, to continue in 2024

AkzoNobel Operating Income Surges But Slightly Misses Market Expectations

Dulux paint maker AkzoNobel posts Q4 core profit miss

The Sherwin-Williams Company Reports 2023 Year-End and Fourth Quarter Financial Results

Hempel Launches Leading Intumescent Coating Estimation Software

Scientists find electrophoretic epoxy coatings have improved corrosion protection performance for steel


In-situ construction of lamellar stacked zinc molybdate-zinc/aluminium layered double hydroxides heterojunction material with synergistic corrosion protection

Nano-epoxidized graphene oxide as a high-barrier film-forming component for purely Cardanol-based epoxy anticorrosion coatings

Smart Epoxy Coating: G-C3n4 Nanosheets Loaded Mofs for Enhanced Anti-Corrosion and UV Resistance

Early warning and self-repair properties of o-phenanthroline modified graphene oxide anti-corrosion Epoxy coating

A smart anticorrosive Epoxy coating based on pH-sensitive microspheres

Green inhibitor loaded functional halloysite nanotubes modified Epoxy coatings for improving corrosion protection of carbon steel

Hydrophobic phytic acid conversion layers for corrosion protection of steel surfaces

Exploring Epoxy Coating Failures with ExcelPlas
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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