David Beamish

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.

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Articles by David Beamish

Measuring the thickness of a coating. Measuring the thickness of a coating. Measuring the thickness of a coating. Measuring the thickness of a coating.


Measurement of film thickness can be done with many different instruments. Understanding the equipment available for film thickness...

Replica Tape: A Source of New Surface Profile Information Replica Tape: A Source of New Surface Profile Information Replica Tape: A Source of New Surface Profile Information Replica Tape: A Source of New Surface Profile Information


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