Brand:TengChao
MOQ:500
Quantity:500
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polyvinylpyrrolidone K30/ PVPK30
1.pharmaceutical intermediate
2.cosmetics:adhensive , dispersant
3.Viscosity enhancer
PVP K30 Properties:White or off-white Powder .Soluble in waterand a variety of organic solvents,PVP-K series also offer lowtoxicity,good film-froming capacity,good stability,Physiollgicalinertness and adhesive ability.Pharmaceutical Grade PVP-kseries(CP2005,USP28) ItemsK-30K-90Kvalue27-3281-97N-vinylpyrrolidone%≤0.1≤0.1Water% ≤5.0 ≤5.0Residueon ignition% ≤0.1 ≤0.1PH value(5% watersolution) 3-7 3-7N%(nitrogen) 11.5-12.8 11.5-12.8Aldehydeas acetaldehyde% ≤0.05 ≤0.05Heavy metal asPb(ppm) ≤10 ≤10Hydrazines(PPM) ≤1 ≤1Peroxides%(H202) ≤400 ≤400TechnicalGrade PVP——kseries ITemsK-30(powder)K-30(aq) K-90(aq) Kvalue 27-33 27-33 90-103 N-vinylpyrrolidone ≤0.2 ≤0.2 ≤0.2 Water% ≤5.0 Residue on ignition% ≤0.1 ≤0.1 ≤0.1PH value(5% watersolution) 3-7 5-8 5-9 solidcontent% 30±1 20±1 PVP K30 Polyvinylpyrrolidone
