... dissolved in acetone 4,leading manufacturer pvp k15(exist as liquid)Character:powder or aqueous solution,PVP is diffluent in water ... film forming characters, it can be used as case-hardened liquid, hair spray, case-hardened agent of mousse, opacifying agent ... lubricant of eyedrop, the cosolvent of injection, the dispersant of liquid preparation and the stabilizer of enzyme and temperature sensing drugs ...