Neolith P7200 is a redispersible powder based on vinyl-versatate copolymer with polyvinyl alcohol as protector colloid. Neolith P7200 is used to modify mixtures containing hydraulic binders, whenever it is required a high hydrolysis resistance, good resistance to water and a high flexibility to the end product. Due to its particular chemical-physical constitution, Neolith P7200 improves the adhesion to substrates, makes longer the open time and lower the contents of water mixture.