Professional China China Pvp K90
Professional China China Pvp K90 Detail:
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To become the stage of realizing dreams of our employees! To build a happier, a lot more united and more expert workforce! To reach a mutual profit of our buyers, suppliers, the society and ourselves for China Pvp, Povidone, We seriously promise that we provide all the customers with the best quality products, the most competitive prices and the most prompt delivery. We hope to win a resplendent future for customers and ourselves.
Crospovidone is a crosslinked PVP,insoluble PVP,it is hygroscopic,insoluble in water and all other common solvents,but it swells rapidly in aqueous solutbition without any gel froms.Its; classified as Crospovidone Type A and Type B according to the different particle size.
Key Technical Parameters:
| Product | Crospovidone Type A | Crospovidone Type B |
| Appearance | White or yellowish-white powder or flakes | |
| Identifications | A.Infrared Absorption | |
| B.No blue color develops. | ||
| C.A Suspension is formed and no clear solution is obtained within 15 min. | ||
| D.Majority of particles are in the range 50 ~300 μm is type A,majority of particles are in the range 5~50 μm | ||
| Solubility | Practically insoluble in water,in alcohol and in methylene chloride | |
| Water- soluble substances | 1.0% max | 1.0% max |
| pH((1% in water) | 5.0 –8.0 | 5.0 –8.0 |
| Loss on Drying | 5.0% max. | 5.0% max. |
| Sulphated Ash | 0.1% max. | 0.1% max. |
| Nitrogen content | 11.0 -12.8 % | 11.0 -12.8 % |
| Impurity A | 10 ppm max. | 10 ppm max. |
| Peroxide(As H2O2) | 400 ppm max. | 1000 ppm max. |
| Heavy Metals | 10 ppm max. | 10 ppm max. |
Applications:
Crospovidone are widely used as 1)Disintergrating agent,2)Stabilizer for suspension,3)Moisture Absorbent, 4)Complextant of Polyphenols and Tannin for the extract formulations.
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