Polyvinylpyrrolidone K90 /PVP K90 1.PVP Series products, PVP-K90 2.Pharmaceutical auxiliaries 3.film-forming 4.cosmetics Polyvinylpyrrolidone K90 /PVP K901.PVP Series products, PVP-K90 2.Pharmaceutical auxiliaries 3.film-forming 4.cosmetics 5.high quality,quick delivery timeSpecification Pharmaceutical grade PVP-K series(CP2005,USP28) ItemsK-30K-90K value27-3281-97N-vinylpyrrolidone%≤0.1≤0.1Water ...