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Coatings

concrete coating

Coating Concrete: Performance Expectations, Coating Types, and Performance Testing of Coatings Used to Protect Concrete Bridges

Introduction Concrete is the most widely used building material worldwide because it has many unique properties that make it ideal for use in construction. Concrete is formable and is naturally resistant to UV, mold and insects. Concrete is noncombustible and is relatively inexpensive relative to other building materials. Why Coat Concrete? There are several reasons …

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surface profile steel

Surface Preparation of Steel Prior to Application of Thermal Spray Coatings

Introduction The installation of thermal spray coatings (TSC) or metalized coatings is becoming more common for protection of new and existing structural steel members on locks & dams, bridges, tanks and other industrial structures. While the installation of thermal spray coatings is typically more labor intensive and more costly than traditional liquid-applied coatings systems, the …

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Shop Versus Field Painting: An Exemplum

Introduction According to Wikipedia, an exemplum (Latin for “example”) is a moral anecdote, brief or extended, real or fictitious, used to illustrate a point. While I wouldn’t consider deciding whether to perform painting work in a shop or in the field a “moral issue,” this story-telling approach is intended to provide a more interesting way …

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kta analytical lab

The Formation of Amine Exudate (Blushing) of Epoxy Coatings

Epoxy coatings are some of the most widely used materials in industrial and marine environments. Epoxy materials typically have excellent adhesion, chemical resistance and water resistance, which make them first-rate candidate coatings/linings for these environments. Epoxies are formulated as two component materials, with one component housing an epoxy resin and the other component containing a …

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wastewater coatings

Performance Testing of Coating Systems for Wastewater Service

Introduction Ironically, the demand for improved water quality has made the service environment of wastewater treatment facilities even more aggressive, requiring higher performance coatings for corrosion protection. Environmental regulations have restricted the heavy metal content and required pH control of water discharged to wastewater treatment facilities. Prior to the implementation of these regulations, the microbes …

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High-Temperature Service (Heat-Resistant) Coatings: Industries, Coating Types, Testing Protocols and Consequences of Testing Inconsistencies

High temperature-resistant coatings are used in a variety of industries and markets to prevent corrosion of steel subjected to extreme temperatures while in service. There are several testing protocols that are used to evaluate the performance of these coatings; however, performance comparisons are challenging since there is little uniformity or consistency of the test methods. …

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podcast 2 shop painting v shop and field painting

KTA University Podcast #2 – Total Shop Painting vs. Shop & Field Painting

This 24- minute podcast also features Ken Trimber as moderator, while Doug Reardon advocates total shop painting and John Todd promotes shop painting with field finish coating. Scenarios are posed by Trimber as Todd and Reardon take turns providing support for their approaches while divulging plenty of information on the subject. A podcast breakdown is …

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pipe coatings

Interior Pipe Coatings for Transporting Potable Water – Types and Considerations

Introduction Throughout most the world in developed countries, the public relies on access to a safe drinking water supply; something we frequently take for granted until it is compromised. Potable water frequently traverses through steel pipe to deliver it both safely and economically. However, because water in contact with steel will cause it to corrode, …

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The Missing Piece: Collaborations Between Field Investigators and Laboratory Chemists

Chances are, you have seen at least one procedural cop drama over the years. These shows all tend to follow a fairly standard formula: the crime occurs, the investigator is called in, the investigator gathers clues and interviews suspects, evidence is sent to a laboratory to confirm or refute theories, and by the end of …

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