Scientists at Croda had been using a widefield materials microscope to measure a scratch’s width and a white-light interferometer to determine the depth – but they found these methods to be time-consuming and variable. In a bid to improve testing, Croda decided to try our LEXT™ OLS5000 confocal microscope for both the scratch width and depth measurements.
We spoke to Martin Read, team leader for Croda’s polymer additives applications and lead anti-scratch scientist, and his colleagues to find out how it went.
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