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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
The round specimens with 1 g/m2 of sea salt deposited on the surface were tested at different relative humidity levels of 45%, 55%, and 70%, and a temperature of 45 °C.