Akzo Nobel Under Criminal Investigation for Industrial Property Violations

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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 * DULUX * ExcelPlas Labs * Epoxy Coatings * Failure Analysis * GIT * Graphene * Hempel * INPEX * Jotun * LNG * PCN * PPG * Protective Coatings * Self-Healing Coatings * Sherwin Williams * Smart Coatings


Akzo Nobel Under Criminal Investigation for Industrial Property Violations; Execs Could Face 3 Years Imprisonment and Recovery of Profits from 2018 Transfer of Business

Dulux Owner Akzo Sees Core Earnings Towards Low End of Forecasts

Former Russian PPG, Hempel and Jotun Coating Factories Gather Under One Umbrella

INPEX Raises Full Year Profit Forecast to $2.3 Billion After Record 9 Month Results


Hempel Foundation Coating Scientists Report on Non-destructive Evaluation of Water Uptake in Epoxy Coatings

How Liquid Coatings Curb Corrosion Under Insulation (CUI) in LNG Service

Jotun Benefitting from Regulations Contributing to a Cleaner Shipping Industry

Detection and Quantification of Premature Crack Formation in Curing Epoxy Coatings

Effect of Physical and Chemical Ageing on Barrier Properties of Epoxy Coatings

Correlation Between the Initial Aging of Epoxy coatings and the Typical Marine Atmospheric Environmental Factors


Corrosion Protection of Mild Steel Using ZnO/NiO Pigment-Based Epoxy Coating

Epoxy Composite Coating with Long-Term Corrosion Resistance Through Synergy of MXene Nanosheets and ZnO Quantum Dots

Investigation of Vapor Condensation from Humid Air on Zinc-Silicate Epoxy-Coated Mild Steel Plates

Preparation and Utilization of Rare Earth Complexes as Efficient Corrosion Inhibitor in Epoxy Coatings

Improving the Corrosion Resistance of Zn-Rich Epoxy Coating with Three-Dimensional Porous Graphene

New Fluorinated Few-Layer Graphene/Epoxy Composite Coatings for Anticorrosion Applications

Failure Evolution Mechanism of Epoxy Coating in High-Concentration Ion Content Environment

Accelerated Degradation of Cathodically Protected Epoxy Coatings by Pseudomonas aeruginosa in Seawater

Thermal Characteristics of Epoxy Fire-Retardant Coatings under Different Fire Regimes

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 (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)

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

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