PVP exists as white or milk white powder or colorless or slight yellow transparent liquid. It can dissolve in water and a variety of organic solvents. It has good hygroscopicity, film-forming capability, complexing ability and physiological compatibility.
Specification:
Technical grade
Catalog of product
K value
Vinyl pyrrolidone%
Moisture%
Ash%
Solid%
PH (5% in water)
K30 (powder)
27-33
<0.2
<5.0
<0.1
>95
3-7
K90 (aqueous solution)
90-103
<0.2
<0.1
20±1
7-10.5
Pharmaceutical grade(CP2005/USP27)
Items
K17
K25
K30
K90
K value
15-19
23-27
29-32
88-96
Monomer % max
0.1
0.1
0.1
0.1
Moisture % max
5.0
5.0
5.0
5.0
Solid content % max
95
95
95
95
pH(5% solution)
3-7
3-7
3-7
5-9
Sulfate ash % max
0.1
0.1
0.1
0.1
Nitrogen %
11.5-12.8
11.5-12.8
11.5-12.8
11.5-12.8
Aldehyde ppm max
500
500
500
500
Heavy metal ppm max
10
10
10
10
Hydrazine ppm max
1
1
1
1
Peroxide ppm max
400
400
400
400
Application:
Cosmetics:
PVP-K series can be used as film-forming agent, viscosity-enhancing agent, lubricator and adhesive in hair sprays, mousse, hair-fixing gels and solution. They are also useful auxiliary materials in skin-care product, hair-dying reagent, shampoo, lipstick, deodorant, sunscreen and dentifrice.
Pharmaceutical:
PVP-K30 (Pharmaceutical grade) is a kind of new excellent pharmaceutical excipient. It is mainly used as binder for tablet and granule, dissolving assistant for injection, flow assistant for capsule, dispersant for liquid medicine and pigment,stabilizer for enzyme and heat-sensitive drug, coprecipitant for poorly soluble drugs, lubricator and antitoxic assistant for eye drug. PVP has been used as excipient in more than one hundred drugs.
Other Utility:
Suspensant, dispersant and emulsifier Disinfector Paint and coating Printing ink Textile and dyestuff Building material Paper making TV kinescope Polymer ultra-filtration membrane, micro-filtration membrane Glass fiber