... 99.9%:4 Packaging: 25kg / barrel PVP K30 ,Polyvinyl pyrrolidone Specifications:pvp pvpPVP K30,PVP K90,PVP K15 ,PVP K17; PVPPolyvinylPyrrolidonePVP K30PVP K90PVP K15PVP K17PVP Pharma ... grade (PVP K) specificationK-valuesolid,%PHNVP,%PVP K30 powder27-3395 ...