Contact: Evelyn Brown
evelyn.brown@nist.gov
301-975-5661
National Institute of Standards and Technology (NIST)
Caption: The barely visible blue-green area at the top of this X-ray image of concrete with the NIST nanoadditive shows that very few chloride ions (in green) penetrate into the concrete.
Credit: NIST
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Related news release: Viscosity-Enhancing Nanomaterials May Double Service Life of Concrete