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PVP VA64W Copovidone, Copolymer, Polyvinylpyrrolidone CAS No.: 25086-89-9
Different proportion of Vinylpyrrolidone to vinylacetate can be offered in powder, alcohol solution and aqueous solution products. The aqueous solution product may be varied from transparent to cloudy. The clarity of the solution depends on the proportion of Vinylpyrrolidone to vinylacetate.
| 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 | 60/40 | 60/40 | 30/70 | 30/70 | 50/50 | 50/50 | 70/30 |
Pharmaceuticals: Used as water soluble and drying adhesive agent for making grain and pressing tablets. Used in film coating and cover-taste agents.
Cosmetics: PVP/VA Series play a good role in film-former and hair-fixing agent. Extremely useful in hair sprays and hair-set lotions.
Other Utility: Used in remoistenable adhesives, protecting colloid for printing ink, and as emulsifying agent for planting-protecting chemicals.
