... most better 2,dissolve in water 3,excellent productivity 4,glue stick (pharmarceutical) for the povidone k901,the povidone k90's specification:Pharmaceutical grade ... to acid, salt and heat, so it is widely used.3, the application :application Cosmetics: pvp k series can be used ... drum inner-lined two-double PE bags.Storage: Store in a dry place at room temperature. Keep tightly closed and protect from ...