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Chrissy Stewart

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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delamination

Coating System Selection and Determining “Or Equal”

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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chalking

The Relationship Between Aesthetics & Brand Image – Q & A

On August 10th 2016, KTA Senior Chemist, Chrissy Stewart, presented a Webinar for Durability and Design entitled “The Relationship Between Aesthetics and Brand Image, and the Coatings to Achieve It.” Viewers are encouraged to ask questions at the end of the Webinar, and the Presenter generally answers them following the Presentation. For the Webinar, we …

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specification

Contradictory Information in a Project Specification – F-Files: Mechanisms of Failure

The wastewater industry poses some of the most significant corrosion protection challenges for industrial protective coatings. In this case study, coating failure in the form of peeling and delamination (on concrete) and blistering (on steel) was observed on the interior of a digester at a wastewater treatment facility after only five years of service. Removal …

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Foaming of clear topcoat

Concrete Floor Coatings Forensics Case History — Part 2

Concrete Floor Coatings Forensics Case History- Part 2 When examining a coating problem in the laboratory, background information gathered during discussions with the involved parties and information obtained during a field investigation help to direct the course of the laboratory investigation. The background information collected for this case was included in last month’s F-Files, “Concrete …

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