Povidone K90

Povidone K90

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Product Details

 

Product name:   Povidone K90 (PVP K90)

 

Description  

Povidone K90 is a white or yellowish-white powder. When the povidone is heated to 150 ° C, the color will become darker and the water solubility will decrease. Stable at a short time in the range of 110~130 °C; the aqueous solution does not change its properties after steam sterilization.

 

Application

Povidone (PVP) is widely used in industrial and high-tech fields, and can be used as a surface coating agent, dispersant, thickener and adhesive in pigments, printing, ink, textile printing and dyeing, and in color cathode tubes. It can improve the bonding performance of adhesives to metals, glass, plastics, etc. In addition, PVP is used in emerging high-tech fields such as separation membranes, medical polymer materials, photo-curing resins, photo-curing coatings, optical fibers, and laser discs. PVP-K90 is also widely used in the cosmetics industry. It is very suitable for shampoo, hair care, beauty skin care, hair dye, shampoo, lipstick, sunscreen, toothpaste, etc.

 

Specification

Appearance
White or yellowish-white powder
Odor
Slight characteristic odor
Identification
A. Consistent with the CRS spectrum.

B. The substance dissolves.
Nitrogen
12.0~12.7%
pH(1.0g in 20.0 ml)
5.0~9.0
K-value 
88.0~96.0
Vinylpyrrolidinone
≤0.01%
Residue on ignition 
≤0.05%
Loss on drying
≤5.0%
Viscosity (20% water solution)
10000~30000(Brookfield, RVT 23degree, Spindle, 7/100rpm)
Heavy metals(as Pb) 
≤10ppm
Arsenic
≤2ppm


Packing

25kg/drum or as customer’s requirements.

 

Storage

Store in an airtight container, protected from light.

 

Minimum Order

100kgs

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