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【 Find copovidone supplier manufacturer in china 】



If you want to buy copolyvinone from china, then you will find out that Guanlang Group is one of the copolyvinone suppliers in china. If you want to know more information about copolyvinone, then please drop us a email.


Product Name: copolyvinone
Inci Name: VP / VA copolymer
CAS No.: 25086-89-9
Chemical formula: (c6h9no) n. (C4H6O2) M
Product features: white to milky white powder, easy to absorb moisture, soluble in water, ethanol and other organic solvents, with good molding, adhesion and surface activity.


Appearance

White to milky moisture absorbing powder or sheet

K value

25.20~30.24

Solubility

Soluble in water, alcohol and chloroform

Peroxide (calculated by H2O2)

400 ppm max.

Hydrazine

1 ppm max.

Residual monomer (VP + VA)

0.1% max.

2-pyrrolidone

0.5% max.

Heavy metals (calculated by lead)

20 ppm max.

Water content

5.0% max.

Sulphated ash

0.1% max.

Vinyl acetate

35.3~42.0% max.

Nitrogen content

7.0~8.0 %


Product application: copolyvinone can be used as water-soluble adhesive and dry powder adhesive in wet granulation and direct tablet pressing in the pharmaceutical field, and can be used as film-forming material


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