On The flip side, partially hydrolyzed PVA is more flexible and quickly dissolves in h2o. Makers tailor the hydrolysis method to meet specific business wants, like developing water-soluble films for detergents or strong packaging components for industrial uses. A thin and drinking water-resistant PVA film is developed to prevent humidity https://www.tjcyindustrialchem.com/news/what-is-pva.html