Polyvinylpyrrolidone K25

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1 Metric Ton	Negotiable

1 Metric Ton

Negotiable

Min.Order :1 Metric Ton
Purity: 95%
Payment Terms : L/C,T/T

Keywords

Povidone K25 Polyvinylpyrrolidone K25 PVP K25

Quick Details

Appearance:White or milky powder
Application:Pharma:As binder for tablet and pellet, dissolving assistant for injection. Cosmetics: As firm--forming and hair-fixing agent
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ProductionCapacity:|Metric Ton|Day
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Physical properties of Povidone K25

White or milky powder, and colorless or slight yellow transparent liquid. It can dissolve in water and variety of organic solvents, such as grain alcohol, isopropanol or chloroform, but not in acetone or diethyl ether. Polymers with molecular weight under 30,000 can be excreted by the human kidney. It is generally used in cosmetics, surfactants, pharmaceuticals.

Specifications

Cosmetic grade

Items

K value

Vinyprrolione %

Moisture %

Solid %

PH(10% in water)

Heavy Metals ppm

K25 (powder)

22-28

≤0.01

≤5.0

≥95

3-7

≤20

Pharma Grade

ltems

K value

Impurity A (NVP) ppm

Impurity B (α-P)

Moisture %

PH(10% in water)

Residue on ignition %

Nitrogen content %

Limit of aldehydes ppm

Heavy Metals ppm

Peroxide ppm

Limit of hydrazine ppm

Formic acid %

K25(powder)

22-28

≤10

≤3.0

≤5.0

3-5

≤0.1

11.5-12.8

≤500

≤10

≤400

≤1

≤0.5

Tech Grade

Appearance	White or off-white powder
K Value(5% in water)	23-28
pH( 5% in water)	3.0-7.0
N-Vinylpyrrolidone	0.2% max.
Sulphated Ash	0.1% max.
Solid Content	95% min.
Water	5.0% max.

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