Conversely, Partly hydrolyzed PVA is much more versatile and commonly dissolves in water. Manufacturers tailor the hydrolysis procedure to meet specific market wants, for example producing drinking water-soluble films for detergents or strong packaging materials for industrial uses. 2) “PVA has low degradation charges inside of WWTPs (wastewater therapy vegetation); https://www.tjcyindustrialchem.com/news/what-is-pva.html