PVP K17 | PVP K25 | PVP K30 | PVP K90 | |
Aspect | Poudre blanche ou jaunâtre | Liquide clair | ||
Teneur en K | 15-20 | 22-28 | 27-33 | 90-103 |
Monomères | ≤0.2% | ≤0.2% | ≤0.2% | ≤0.2% |
Humidité | ≤5.0% | ≤5.0% | ≤5.0% | 80±1% |
Teneur en cendres | ≤0.02% | ≤0.02% | ≤0.02% | ≤0.02% |
Contenu plein | ≥95% | ≥95% | ≥95% | 20±1% |
pH de solution de 10% | 3.0-7.0 | 3.0-7.0 | 3.0-7.0 | 7.0-10.5 |
China