OEM China China Pvpp for Beer White Wine Red Wine with Factory Price
OEM China China Pvpp for Beer White Wine Red Wine with Factory Price Detail:
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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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