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Polyvinylpyrrolidone | CAS No.: 25086-89-9


Different proportions of Vinylpyrrolidone to vinyl acetate can be offered in powder, alcohol solution, and aqueous solution products. The aqueous solution product may vary from transparent to cloudy. The clarity depends on the proportion of Vinylpyrrolidone to vinyl acetate. The solution is slightly acidic but not electrolytic.
| Product Name | VA64W | VA64E | VA37E | VA37I | VA55E | VA55I | VA73W/E |
|---|---|---|---|---|---|---|---|
| Appearance | Colorless, Viscous Liquid | ||||||
| K Value | 30-36 | 30-36 | 24-32 | 24-32 | 24-32 | 24-32 | 28-38 |
| Solid Assay % | 48-52 | 48-52 | 48-52 | 48-52 | 48-52 | 48-52 | 48-52 |
| VP/VA Ratio | 60/40 | 60/40 | 30/70 | 30/70 | 50/50 | 50/50 | 70/30 |



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