... 3,excellent productivity 4,glue stick (pharmarceutical) for the povidone k901,the povidone k90's specification:Pharmaceutical grade PVP-K ... %water solution)5-9Solid content%20±12,the character of the povidone k90:powder or aqueous solution,PVP ... assistant and stabilizer for injection ,flow assistant for capsule, dispersant for liquid medicine and stain, stabilizer for enzyme and heat sensitive ...