Double dip galvanizing (DDG) refers to an industrial process used to protect large surface areas of iron, steel and other metals from corrosion. It is characterized by fully or partially submerging the substrate metal into a zinc bath at approximately 460°C (860°F) to form zinc carbonate… View Full Term
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David Beamish is President of DeFelsko Corporation, a New York-based manufacturer of hand-held coating test instruments sold worldwide. He has a degree in Civil Engineering and has more than 25 years’ experience in the design, manufacture and marketing of these testing instruments in a variety of international industries including industrial painting, quality inspection and manufacturing. He conducts training seminars and is an active member of various organizations including SSPC, NACE, ASTM and ISO.
Measurement of film thickness can be done with many different instruments. Understanding the equipment available for film thickness measurement is important fo
Abstract Steel surfaces are frequently cleaned by abrasive impact prior to the application of protective coatings. The resultant surface profile, sometimes called an anchor pattern, is comprised of a complex pattern of peaks...