|
Product |
PVP K30P |
PVP K80P |
PVP K90P |
PVP K30 30%L |
PVP K85 20% L |
PVP K90 20%L |
| Appearance |
White or off-white powder |
Clear and colorless to slightly yellowish liquid |
||||
| K Value(5% in water) | 27~35 | 75~87 | 81~97 | 27~35 | 78~90 | 81~97 |
| pH( 5% in water) | 3.0~7.0 | 5.0~9.0 | 5.0~9.0 | 3.0~7.0 | 5.0~9.0 | 5.0~9.0 |
| N-Vinylpyrrolidone | 0.03% max. | 0.03% max. | 0.03% max. | 0.03% max. | 0.03% max. | 0.03% max. |
| Sulphated Ash | 0.1% max. | 0.1% max. | 0.1% max. | 0.1% max. | 0.1% max. | 0.1% max. |
| Solid Content | 95% min. | 95% min. | 95% min. | 29~31% | 19~21% | 19~21% |
| Water | 5.0% max | 5.0% max. | 5.0% max. | 69~71% | 79~81% | 79~81% |
| Heavy Metals(As Pb) | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. |
| Specifications |
Povidone 15 |
Povidone K17 |
Povidone K25 |
Povidone K30 |
Povidone K90 |
| Appearance@25℃ |
White or off-white powder |
||||
| Appearance of Solution |
Clearly and not more intensely coloured than reference solution B6,BY6 or R6 |
||||
| K Value |
12.75-17.25 |
15.3-18.36 |
22.5-27.0 |
27-32.4 |
81-97.2 |
| Impuriy A (HPHL) ppm max. |
10 |
10 |
10 |
10 |
10 |
| pH (5% in aqueous solution) |
3.0-5.0 |
3.0-5.0 |
3.0-5.0 |
3.0-5.0 |
4.0-7.0 |
| Sulphated Ash % max. |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
| Nitrogen Content % |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
| Impurity B % max. |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
| Aldehyde(as acetaldehyde) ppm max |
500 |
500 |
500 |
500 |
500 |
| Heavy Metals(as Pb) ppm max. |
10 |
10 |
10 |
10 |
10 |
| Hydrazine ppm max. |
1 |
1 |
1 |
1 |
1 |
| Peroxide (as H2O2) pppm max. |
400 |
400 |
400 |
400 |
400 |
|
Product |
PVP K15P |
PVP K17P |
PVP K25P |
PVP K30P |
PVP K90P |
PVP K30L |
PVP K90L |
|
Appearance |
White or off-white powder |
Colorless to yellowish liquid |
|||||
|
K Value |
13~18 |
15~19 |
23~28 |
27~35 |
81~100 |
27~35 |
81~100 |
|
pH( 5% in water) |
3.0~7.0 |
3.0~7.0 |
3.0~7.0 |
3.0~7.0 |
5.0~9.0 |
3.0~7.0 |
5.0~9.0 |
|
NVP |
0.2% max. |
0.2% max. |
0.2% max |
0.2% max. |
0.2% max. |
0.2% max. |
0.2% max. |
|
Sulphated Ash |
0.1% max. |
0.1% max. |
0.1% max. |
0.1% max. |
0.1% max. |
0.1% max. |
0.1% max. |
|
Solid Content |
95% min. |
95% min. |
95% min. |
95% min. |
95% min. |
29~31% |
19~21% |
|
Water |
5.0% max. |
5.0% max. |
5.0% max. |
5.0% max. |
5.0% max. |
69~71% |
79~81% |
Technical grade PVP are being used Textiles/Fibers,Adhesives,Coatings/paintings,Laundry/Household detergent,Inks,Ceramics and other hi-tech industries.
*Dye transfer inhibition in detergents using PVP K15,K17 & K30 and/or its liquid product to complex fugitive.
*Textile dye stripping and strike rate control through compexation and dispersion with PVP K30 and/or its liquid product.
*Laundry detergents where PVP K30 inhibits soil redeposition.
*Emulsion polymerization where PVP K30 and or its liquid product latex stabilizer,functioning as a protective colloid,facilitates redispersion of a ‘broken’latex end-use application.
*Dispersions using PVPK30 & K90 and/or its liquid product for nonaqueous dye and pigment-based writing ink delivery systems.
*Hollow fiber membrane manufacture in which PVP K90 & K30 and/or its liquid product create voids any hydrophilic domains in polysulfone membranes.
*In oil filed cementing,where PVP K30& K90 and or its liquid productserve as fluid loss control agents.
*On lithographic plates using hydrophobic inks,where PVPK15 provides enhancement of the nonimage area.
*PVP K80,K85 & K90 and/or its liquid products in stearate-based adhesive sticks for arts and crafts applications.
*In fiber glass sizing,using PVP K30 & K90 and/or its liquid products film forming action to promote polyivnylacetate adhesion.
*As combustible ceramic binders,using PVP K30 & K90 and/or its liquid product to enhance green strength.
*PVP K15,K17,K30,K60 & K90 and/or its liquid products used in agriculture as binder and complexation agent for crop protection,Primary film former in seed treatment and coatings.