Photomicrograph showing the result of a NIST nanoscale scratch test on a sample of automobile clearcoat material. The scratch, which shows fractures radiating from the line of impact, is 20 micrometers wide, 150 micrometers long and 2 micrometers deep (A micrometer is a millionth of a meter or about half the length of an average E. coli bacterium.).
Credit: NIST
Data from new suite of tests could eventually help your vehicle’s exterior better defend itself against dings, dents, scratches and things that go bump on the highway...
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