Vinyl Alcohol Polymer PVA Powder in Dry Mixed Mortar 1.0 Description : Polyvinyl Alcohol, Vinyl Alcohol Polymer Short :PVA [C2H4O]n CAS No.:9002-89-5 Adhesive Agent, Emulsion Agent, Dispersant Agent , Film Forming Agent in construction mortar. Improving the flexible , water retention, and increase the adhesive, as well as reduce the wear of mortar, to enhance the workability and quality.