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| PVP-K Series |
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| £¨C6H9NO)n |
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| 9003-39-8 |
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Product name
K15
K17
K25
K30
K90
K value
13-18
15-19
22-28
26-33
81-97
Efficient content(%)
>95
>95
>95
>95
>95
Vinylpyrrolidone(%)
<0.2
<0.2
<0.2
<0.2
<0.2
Ash %(sulphate)
<0.1
<0.1
<0.1
<0.1
<0.1
Moisture(%)
<5.0
<5.0
<5.0
<5.0
<5.0
PH value(5% aqueous solution)
3-7
3-7
3-7
3-7
3-7
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powder or aqueous solution£¬PVP is diffluent in water, alcohol, amine and halohydrocarbon, but is not dissolved in acetone
and aether etc.. It has good solubility, biocompatibility, and physiologically inert,
film-forming character,
colloid protect ability and compound ability to many organic or inorganic compounds.
It is also steady to acid, salt and heat, so it is widely used.
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cosmetics |
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