Description:Homopolymer of Vinylpyrrolidone
Monomer unit molar mass: 111.14g/mol
CAS-No. : 9003-39-8
Specification: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 |
It should be stored in sealed packages and placed in dry, ventilated and dark environment at room temperature, the shelf life is 24 months.
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Main Product:
Food Additives ,
Cosmetic Raw Materials,
Vitamins and Minerals,
Plant Extract,
Sodium Hyaluronate,
Phytic Acid