Povidone K 25
Products Povidone K 25 is commercially available in the form of eye drops in dropper bottles and as monodoses (Oculac, Protagent). It has been approved in many countries since 1990. Structure and properties Povidone consists of linear polymers of 1-ethenylpyrollidin-2-one. The different types of povidone are characterized by the viscosity of their solutions, expressed by … Povidone K 25