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Products
PVP-K (PVP Povidone)
PVP-K30, Povidone k30
PVP-K90, Povidone k90
PVP-K25, Povidone k25
PVP-K15, Povidone k15
PVP-K17, Povidone k17
PVP-VA (PVP/VA Copolymer)
PVP-VA64, PVP VAS630
PVP-VA73, PVP VAW735
PVP-VA37
PVP-VA55
PVP-Iodine
PVP-P (Crosslinked)
NVP (N-Vinylpyrrolidone)
NMP (N-Methyrrolidone)
NEP (N-Ethylpyrrolidone)
PQ-11 (Polyquaterniunm)
GBL (г-Butyrolactone)
2-Pyrrolidone
Products
Hangzhou GreenCo Science&Technology Co.,Ltd is regarded as one of the leading manufacturers and exporters of PVP(Polyvinylpyrrolidone) from China. Our main products are PVP-K Series,PVP-VA Series,Povidone Iodine,PVP-P,NVP,NMP,NEP,2-Pyrrolidone,GBL,PQ-11,etc....Our products in line with PH Eur,USP/NF,BP grade. On March 2011 year,our products have been passed GMP Certification.
PVP-K (PVP Povidone)
PVP-K30, Povidone k30     PVP-K90, Povidone k90     PVP-K25, Povidone k25     PVP-K15, Povidone k15     PVP-K17, Povidone k17    
PVP exists as powder or aqueous solution. It can dissolve in water and variety of organic solvent .It is generally used in cosmetics , surfactants , pharmaceutical industry and other related industrial fields.
PVP-VA (PVP/VA Copolymer)
PVP-VA64, PVP VAS630     PVP-VA73, PVP VAW735     PVP-VA37     PVP-VA55    
Copolymer of different proportion of vinylpyrrlidone to vinyl acetate can be offered in powder or alcohol solution product. The aqueous product could be cloudy.
PVP-Iodine
PVP-Iodine is a stable chemical complex of polyvinylpyrrolidone (PVP) and elemental iodine, which is completely soluble in water, ethanol etc. PVP-Iodine can extinguish bacterial, virus, fungus effectively. It is a stable complex with no irritation, which can dissolve in water completely. PVP-Iodine is the first selected iodine containing microbicide in developed country.
PVP-P (Crosslinked)
PVP-P behaves as a white or creamy white powder with faint characteristic odor, which is highly hydrophilic and capable of complex with such substance as phenol, etc. It is completely insoluble with relatively high crosslink density and does not form gels that can impede disintegration, dissolution and drug release.
NVP (N-Vinylpyrrolidone)
Colorless liquor, melting point is 11 . insoluble in petroleum ether but soluble in water, alcohol, chlorofrom, benzene, ethyl acetate and carbon disulfide.
NMP (N-Methyrrolidone)
N-Methyl-2-pyrrolidone is a colorless to slightly yellow liquid, with a faint amine odor. NMP is miscible with water and conventional organic solvents.
NEP (N-Ethylpyrrolidone)
NEP is a clear and colorless liquid, packed in 200KG net galvanized iron drum.Mainly stored away from fore and moisture.
PQ-11 (Polyquaterniunm)
Quaternized copolymer of vinylpyrrolidone and dimethylaminoethyl methacrylate.PQ-11 is a high molecular weight product (average molecular weight ~ 1,000,000), supplied as a highly viscous, aqueous solution (20% solids).
GBL (г-Butyrolactone)
Gamma-butyrolactone is one of the major chemicals which has an extensive application in pharmaceuticala,pesticides and so on.And packed in the 200KG/galvanized iron barrel.
2-Pyrrolidone
2-pyrrolidone is a colorless to slightly yellow liquid, with a faint amine odor. 2-P is a high-polar solvent and it is miscible with water and conventional organic solvents.
 
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