pvp k15 exist as liquid, solid,or powder 1,leading manufacturer 2,not dissolved in acetone ... ,higher grade 4,good monomer pvp k15 exist as liquid, solid,or powderCharacter:powder or aqueous solution,PVP is diffluent in ... , and physiologically inert, film-forming character, colloid protect ability and compound ability to many organic or inorganic compounds. It is also ...