Polyvinylpyrrolidon...

Polyvinylpyrrolidone K25

Polyvinylpyrrolidone K25

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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
  • PackAge:
  • ProductionCapacity:|Metric Ton|Day
  • Storage:
  • Transportation:

Superiority:

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.

Details:

 

 

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