Xi'an Hersoncare Bio-Tech Co., Ltd
$15-20 /Kilogram
| Type de paiement: | T/T |
| Incoterm: | FOB,DDP,CIF,DDU,Express Delivery |
| Quantité de commande minimum: | 25 Kilogram |
| transport: | Ocean,Air,Express |
| Hafen: | Shanghai,Qingdao ,Beijing |
Ombre:
Modèle: HCP-021
marque: Hersoncare
Certificats : ISO9001,ISO14001, ISO45001, Kosher, Halal
| Unités de vente | : | Kilogram |
| Type de colis | : | 25 kg / tambour |
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Description : homopolymère de vinylpyrrolidone
Masse molaire de l'unité monomère : 111.14g / mol
Cas-no. : 9003-39-8
Spécifications: K15, K30, K60, K90
| Test Items | Specification |
| Appearance | White or off-white powder |
| Odor | Slight characteristic odor |
| Identification | The substance dissolves. |
| Nitrogen | 11.5～12.8% |
| Active Matter | ≥95.0 % |
| pH(5%in water) | 5.0~9.0 |
| K-value | 88.0~96.0 |
| Vinylpyrrolidinone | ≤0.01% |
| Residue on Ignition | ≤0.05% |
| Loss on Drying | ≤5.0% |
| Viscosity(20%water solu.) | 10000~30000 (Brookfield,RVT 23degree,Spindle.7/100rpm |
| Heavy Metals (as Pb) | ≤10 ppm |
| Arsenic | ≤2 ppm |
Il doit être stocké dans des emballages scellés et placé dans un environnement sec, ventilé et sombre à température ambiante, la durée de conservation est de 24 mois.
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