New Hydrophobic Treatment for the Protection of Gypsum Artifacts Laura Bergamonti, Edoardo Verza, Gilberto Di Virgilio, Giacomo Muroni, Elena Michelini, Daniele Ferretti, Pier Paolo Lottici and Claudia Graiff MATEC Web Conf., 403 (2024) 07014 Published online: 16 September 2024 DOI: 10.1051/matecconf/202440307014