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Specification
| PVP/Povidone | K15 | K17 | K25 | K30 | K90 |
| K Value | 13-17 | 15-19 | 22-28 | 27-33 | 81-98 |
| Grade | Tech | USP/EP | Cosmetic | ||
| Moisture % | ≤5.0 | ≤5.0 | ≤5.0 | ||
| PH(5% in water) | 3-7 | 3-7 | 3-7 | ||
| Vinylpyrrolidone % | ≤ 0.2 | ≤ 0.1 | ≤ 0.1 | ||
| Sulfate Ash% | ≤ 0.1 | ≤ 0.1 | ≤ 0.02 | ||
| Nitrogen % | -- | 11.5-12.8 | -- | ||
| Heavy Metals(as Pb) ppm | -- | < 10 | < 10 | ||
| Acetaldehyde ppm | -- | ≤ 500 | -- | ||
| Hydrazine ppm | -- | ≤ 1.0 | -- | ||
| Peroxide(asH2O2)ppm | -- | ≤400 | -- | ||
Application
1. Pharmaceutical Grade
Application: used as binder for tablet and pellet, dissolving assistant for injection, flowing assistant for capsule, dispersant for liquid medicine and pigment, stabilizer for enzyme and heat sensitive drug, coprecipitant for poorly soluble drug, lubricator and antitoxical assistant for eye drug, PVP has been used as excipients more than one hundred drugs.
2. Technical Grade
Application: as surface coating agent, dispersing agent, thickener, binder in paint, printing ink, textile, printing and dyeing, color picture tubes. Can improve the binder for metal, glass, plastic and other materials, bonding properties.
3. Cosmetic Grade
Appllication: used extensively in a wide range in hair care, skin care & oral care products. The products are particularly suitable for formulations where viscosity modification and film forming properties are required. This series are particularly well suited to hair styling products, especially clear formularions.
PVPK15 manufacture pharmaceutical