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
After blast cleaning, a surface consists of random irregularities with peaks and valleys. If the roughness is insufficient, paint will not adhere. If the roughness is...