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Coatings

pipe coatings

Interior Pipe Coatings for Transporting Potable Water – Types and Considerations

3 Comments / Coating Standards, Coatings, Pipeline Coatings, Tanks, Water/Wastewater /

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

1 Comment / Coating Failure, Coatings, Lab Testing /

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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KTA Podcast #1 – Inorganic vs. Organic Zinc Rich Primers

3 Comments / Coatings, Podcast /

Ken Trimber (KTA President) moderates as Bill Corbett (KTA COO) and Jim Machen (KTA Sr. Coatings Consultant) debate the merits of using inorganic vs. organic zinc rich primers. This 33 minute podcast finds Mr. Machen promoting the use of organic zinc rich primers, while Mr. Corbett supports the use of inorganic zinc rich primers. The

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service life

Expected Service Life and Cost Considerations for Maintenance and New Construction Protective Coating Work

Coatings /

Designed to assist the coatings engineer or specifier in identifying candidate protective coating systems for specific service environments applicable to a broad array of industries, this guide provides the following. Commonly used generic coating systems. Service life for each in specific environments. Current material costs. Current field and shop painting costs. Guidelines for calculating approximate

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delamination

Coating System Selection and Determining “Or Equal”

2 Comments / Coatings, Specifications, Uncategorized /

The Construction Specifications Institute (CSI) provides a format for preparing specifications that is often adopted for use in the coatings industry. It contains three primary sections, including General, Products and Execution.  The Products section typically contains the specified coating system. There are several ways that a coating system can be specified, one of which is

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coating selection

Coating System Selection Based on Performance Evaluations

Coatings, Lab Testing, Specifications /

Independent verification of coating system performance based on laboratory testing and/or field exposure is a critical component to coating system selection. For a given coating system, there may be six or eight manufacturers. It is not safe to assume that all coating systems within a given generic category are created equal. Therefore, careful evaluation of

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partial mixing

Problems with Partial Mixing of Multi-Component Coatings

5 Comments / Coating Application, Coatings, Inspection /

Some of the common industrial coatings consist of 2 or 3 components that are mixed together just prior to use.  Examples include inorganic and organic zinc, epoxy, and polyurethane.  Coating manufacturers typically recommend that complete kits, rather than partial kits, always be mixed, and many specifications are explicit in preventing the mixing of partial kits. 

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Measuring the Hardness of Applied Coatings

1 Comment / Coatings, Instruments /

Introduction The hardness of a coating material is a relative property that may be interpreted in a variety of ways by different industries that use coating/lining materials.  While hardness testing is frequently used to assess the degree of cure, they can also be used to measure hardness properties formulated into coatings.  The absolute hardness of

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offshore coating

Meeting the Challenges of Offshore Coating Service: Methods & Materials

2 Comments / Coatings, Offshore /

Carbon steel or mild steel is a tremendously useful material for construction with its high strength-to-weight ratio, ease of fabrication, low-to-moderate cost, predictable engineering properties, commendable performance and load-carrying capacity. Its Achilles’ Heel, however, is its vulnerability to corrosion. Marine environments are particularly aggressive to steel: a near perfect storm of freely available airborne and

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multi-component coating

It’s All in the Mix – Proper Mixing of Multi-Component Coating Systems

Coating Application, Coatings, Inspection /

Many industrial and protective coating materials consist of more than one component. A multi-component coating is any product that consists of two or more separate parts that are mixed together at a specified ratio. As the materials are mixed, a reaction occurs that allows the disparate parts to chemically cross-link and form a polymer. The

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