... .free samplePVP K30 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 ... .01maxPVP K90 Powder88-9895min5-90.01maxPVP technical grade( PVP K) specificationK-Valuesolid,%PHNVP,%PVP K30 powder27-3395min3-70.01maxPVP K17powder15-1995min3-70.01maxPVP ...