JPCL December 2020

JPCL December 2020

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Determining When To Coat Concrete

by Manuel Najar, V&A Consulting Engineers, Inc.

Several water and wastewater treatment owners have been confronted with the effects of biogenic corrosion and chemical deterioration of concrete in their concrete structures. Several assessment methods can be used to determine the existing condition of a coated or uncoated concrete structure and identify the type and extent of deterioration. This paper will identify some of the most important indicators of biogenic corrosion and chemical deterioration of concrete, with a few examples from different areas of the water and wastewater treatment process.

Comprehending Pull-Off Adhesion Testing

by Rob Francis, R A Francis Consulting Services Pty Ltd

Pull-off adhesion testing is increasingly being specified and used by coating inspectors. Manufacturers have produced new equipment models and more papers are being published on the subject, but is this increased interest based on the testing’s ability to provide useful information on coating system performance, or is this a case of a test method being more attractive because it can produce a number—even if that number has little meaning? This article will look closely at pull-off testing—specifically, what is measured and what the results mean.

Virtual Access: How PaintSquare Connect Brought Coatings Businesses Together During a Worldwide Pandemic

While the ongoing COVID-19 pandemic has kept coatings professionals from meeting up in person this year, JPCL publisher Technology Publishing Company hosted PaintSquare Connect, an inaugural virtual event bringing together experts throughout the industrial and commercial coatings communities, last month. The event took place Nov. 10–12 and featured a full curriculum of webinars, keynote sessions, product pavilions, award ceremonies and more. This article will provide a recap of PaintSquare Connect, as well as a guide to the archived offerings that are have been made available for registrants at

Axxiom Manufacturing

Seal for Life/STOPAQ

Tarps manufacturing, Inc.

HoldTight Solutions Inc.

Sauereisen, Inc.

Abrasives Inc.

KTA-Tator, Inc. - Corporate Office



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