Key Technical Parameters:
|
Appearance |
White or yellowish-white powder or flakes,hygroscopic |
|
Viscosity(Express as K Value) |
25.20~30.24 |
|
Solubility |
Freely soluble in water,in alcohol and in methylene chloride |
|
Identifications |
A.Infrared Absorption |
|
B.A red colour appears |
|
|
C.A violet colour appears |
|
|
Peroxides(Expressed as H2O2) |
400 ppm max. |
|
Hydrazine |
1 ppm max. |
|
Monomers(VP+VA) |
0.1% max. |
|
Impurity A(2-Pyrrolidone) |
0.5% max. |
|
Heavy Metals(as Pb) |
20 ppm max. |
|
Loss on Drying |
5.0% max. |
|
Sulphated Ash |
0.1% max. |
|
Ethenyl Acetate Content |
35.3~42.0% max. |
|
Nitrogen Content |
7.0~8.0 % |
Applications:
Copovidone mainly used as water-soluble binder and dry binder in wet/direct granulation processes,also it can be used as film forming materials.
*Water soluble tablet binder,suitable for wet or dry granulation/direct compression processes.
*Film Former:permeable film coating for tablet and sugar coatings to protect against splitting,decrease moisture sensitivity and provide good film adhesion.
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