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How to Non-Destructively Measure Dry Film Thickness on Concrete Substrates Reliable, Accurately and with Confidence

How to Non-Destructively Measure Dry Film Thickness on Concrete Substrates Reliable, Accurately and with Confidence
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As the author Robert M Pirsig stated, “Technology presumes there’s just one right way to do things, and there never is.” Whilst measuring coating thickness on concrete substrates is not new, the introduction of a new non-destructive thickness (NDT) gauge to measure coatings on concrete not only allows the user to evaluate the results obtained by existing instrumentation, but also provides an alternate non-destructive measuring solution - thereby increasing the industry’s confidence in the overall measurement technology. 

Product Number: 51217-025-SG
Author: David J. Barnes
Publication Date: 2017
Industry: Coatings
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$20.00
$20.00

As the author Robert M Pirsig stated, “Technology presumes there’s just one right way to do things, and there never is.” Whilst measuring coating thickness on concrete substrates is not new, the introduction of a new non-destructive thickness (NDT) gauge to measure coatings on concrete not only allows the user to evaluate the results obtained by existing instrumentation, but also provides an alternate non-destructive measuring solution - thereby increasing the industry’s confidence in the overall measurement technology. Ultrasonic measurement of DFT as defined in SSPC PA 9 requires an ultrasonic gauge that has a minimum accuracy within ± 5% - why? Is it because existing technology relies on the inspector knowing the expected thickness and adjusting the gauge accordingly or is it due to the performance of existing instrumentation? Recent advances in technology have led to gauges becoming more reliable and ensure that the user no longer needs to know the DFT before inspecting it. This paper looks at the current measurement techniques, the advances in NDT measurement technology, things to look out for when measuring the coating thickness on concrete substrates, how to accurately, reliably and confidently measure coatings on concrete according to ASTM D 6132 and SSPC PA 9 and how to more effectively manage the results.

As the author Robert M Pirsig stated, “Technology presumes there’s just one right way to do things, and there never is.” Whilst measuring coating thickness on concrete substrates is not new, the introduction of a new non-destructive thickness (NDT) gauge to measure coatings on concrete not only allows the user to evaluate the results obtained by existing instrumentation, but also provides an alternate non-destructive measuring solution - thereby increasing the industry’s confidence in the overall measurement technology. Ultrasonic measurement of DFT as defined in SSPC PA 9 requires an ultrasonic gauge that has a minimum accuracy within ± 5% - why? Is it because existing technology relies on the inspector knowing the expected thickness and adjusting the gauge accordingly or is it due to the performance of existing instrumentation? Recent advances in technology have led to gauges becoming more reliable and ensure that the user no longer needs to know the DFT before inspecting it. This paper looks at the current measurement techniques, the advances in NDT measurement technology, things to look out for when measuring the coating thickness on concrete substrates, how to accurately, reliably and confidently measure coatings on concrete according to ASTM D 6132 and SSPC PA 9 and how to more effectively manage the results.

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