Helpful Technical Notes & Articles

DFT Instruments as always want to provide our customers with all the help possible. This page contains helpful technical notes and articles. 

Using Ultrasonic Coating Thickness Gauges

Coating thickness gauges which use the ultrasonic principle are becoming increasingly popular. This article describes the working principle and benefits ultrasonic testing has brought to the table.


Coating Thickness Measurement

A variety of recognized methods can be used to determine the thickness of organic coatings. The method employed in a specific situation is most often determined by the type of coating and substrate, the thickness range of the coating, the size and shape of the part, and economics.


Looking After Your Coating Thickness Gauge

David Beamish of DeFelsko Corporation discusses the maintenance of electronic coating thickness gauges as published in the April 2005 JPCL and PCE magazines.


Finish Coatings System Adhesion and Test Methods

Phil Stevenson (founder of the American Wood Finishing Institute) discusses finish coatings system adhesion and test methods in this December 2003 Wood Digest’s Finishing article.


Coating Adhesion Testing in Accordance with ASTM D4541 – Sticky Business

Marc Schilling of Corrosion Probe Inc. discusses the complexities of adhesion testing in relation to ASTM D4541 in this April 2004 JPCL article.


Dolly Preparation for Pull-Off Adhesion Testing

This articles focuses on the dolly preparation process and its importance in maximizing repeatability by ensuring a strong bond at the dolly-adhesive interface.


Measurement Terms – Coating Thickness Gauges

This discussion provides definitions, explanations, limitations and practical examples of metrology terminology as it relates to DeFelsko Coating Thickness Measurement gauges.


Calibration Terms – Coating Thickness Gauge

This discussion provides definitions, explanations, limitations and practical examples of metrology terminology as it relates to DeFelsko Coating Thickness Measurement gauges.


Test Methods for Coating Adhesion

For coatings to perform satisfactorily, they must adhere to the substrates on which they are applied. A variety of recognized methods can be used to determine how well a coating is bonded to the substrate.


Measuring Environmental Conditions

Optimal environmental conditions are essential for surface preparation, application, and curing of coatings and linings to maximize successful performance. This article presents the five environmental conditions that should be observed and measured and the effect each condition has on a successful job.