Polyvinylpyrrolidone(PVP)
Polyvinylpyrrolidone(PVP)
Features:
-White to slightly yellowish powder or liquid
-Soluble in water and a variety of organic solvents,
-It has good hygroscopicity, film-forming, complexation and physiological compatibility,
-It has the ability to compound with a variety of organic and inorganic compounds.
-It is relatively stable to acids, salts and heat, and has a wide range of uses.
Application:
Daily cosmetics field:
In the cosmetics industry, it can be used as a dispersant, film-forming agent, thickener, lubricant and adhesive, and used in hair care products such as hair sprays, mousses, hair fixing gels, shampoos, hair fixing liquids, hair dyes; Skincare products such as lipsticks, sunscreens, moisturizers, and other cosmetics such as modifiers, deodorants, toothpaste, etc.
Other industrial uses:
water treatment film, paint and coating, plastic, resin, glass fiber, ink, ink, adhesive, detergent, photographic film, tablet, TV picture tube, production of chemicals, adhesives, disinfectants, paper, textile printing and dyeing and other industries used as dispersants, film formers and emulsifiers and other additives.
|
Item |
K15 |
K17 |
K30 |
K90 |
K30(30% solution) |
K90(20% solution) |
|
K value |
12.75-17.25 |
15.3-18.3 |
27.0-32.4 |
81.0-97.2 |
27.0-32.4 |
81.0-97.2 |
|
pH value (5% solution) |
3-7 |
3-7 |
3-7 |
3-7 |
5-8 |
5-9 |
|
Moisture/% |
≤5.0 |
≤5.0 |
≤5.0 |
≤5.0 |
/ |
/ |
|
Vinylpyrrolidone /% |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
|
Residue on Ignition/% |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
≤0.1 |
|
Heavy metals/ppm |
≤10 |
≤10 |
≤10 |
≤10 |
≤10 |
≤10 |
|
Limit of aldehydes /ppm |
≤0.05 |
≤0.05 |
≤0.05 |
≤0.05 |
≤0.05 |
≤0.05 |
|
Limit of hydrazine/ppm |
≤1 |
≤1 |
≤1 |
≤1 |
≤1 |
≤1 |
|
Peroxide/ppm |
≤400 |
≤400 |
≤400 |
≤400 |
≤400 |
≤400 |
|
Nitrogen content/% |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
11.5-12.8 |
Package and Storage:
Solid powder products 25KG/cardboard barrel, liquid products 50KG/plastic barrel,storage in a cool and dry place under shading and sealing.
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