Hangzhou Rainbow Import & Export Co., Ltd. is one of the leading manufacturers and suppliers of pvp k30 and pvp k90 in China. With abundant experience, we warmly welcome you to buy customized pvp k30 and pvp k90 from our factory. If you have any enquiry about free sample, please feel free to email us.

Characteristic

PVP K30:
High fluidity: Suitable for applications that require fast mixing and processing.
Good adhesion: Effectively enhances the bonding effect in the formula.

PVP K90:
Excellent film-forming property: The formed film is tougher and suitable for high-end products.
High stability: Excellent performance in a variety of environments and suitable for long-term use.

Note: When using PVP K30 and PVP K90, the appropriate product should be selected according to the specific application requirements. Both should be stored and handled away from heat and humidity to maintain their stability and effectiveness. At the same time, the operating specifications of the relevant industry should be followed to ensure safe and effective application.

Specification

SUNVIDONE K	K15	K17	K25	K30	K90
Characters	White or light yellow powder with characteristic odor
K Value	12.75-17.25	15.3-18.5	22.5-27.0	27.0-32.4	81.0-97.2
Water, %	≤5.0	≤5.0	≤5.0	≤5.0	≤5.0
PH value (10% aqueous solution)	3.0-7.0
Residual NVP monomer	≤0.1%
Aldehyde, %	≤0.05
Heavy metals, ppm (as Pb))	≤10
Hydrazine, ppm	≤1
Peroxide, % (H₂O₂)	≤0.04
Sulfate ash, % (Ashes)	≤0.1
Ignition residue, %	≤0.1
Nitrogen content, %	11.5-12.8

Application

Pharmaceutical industry: Both can be used as adhesives and carriers for drugs. PVP K30 is often used in the preparation of tablets and capsules to improve the solubility and bioavailability of drugs, while PVP K90 is often used as a coating material for drugs to provide better protection and extend the shelf life of drugs.

Cosmetic industry: PVP K30 is used in skin care products, hair gels and other products as a film former and thickener to improve product texture. PVP K90 is widely used in high-end cosmetics and hair care products due to its superior film-forming properties, providing stronger durability.

Industrial applications: In industrial products such as coatings, adhesives and inks, PVP K30 is used to enhance fluidity and stability, while PVP K90 is used to provide higher adhesion and durability.

FAQ

1.How long is the production cycle for PVP K30 and PVP K90?
The production cycle depends on the supplier and the order size, usually one to two weeks, but large quantities may take longer.

2.What is the difference between PVP K30 and PVP K90?
The main difference is the molecular weight. PVP K30 has a molecular weight of about 30,000 and has high fluidity and adhesion. PVP K90 has a higher molecular weight, usually between 1,000,000 and 1,500,000, and has better film-forming and stability.

3.What is PVP K90 used for?
PVP K90 is also used as a film former and thickener in cosmetics to enhance the usability of products. In industry, it can be used in coatings and adhesives to enhance the performance of products.

4.What is PVP K30 used in cosmetics?
PVP K30 is often used as a thickener and film former in cosmetics. It can improve the texture of skin care products, hair sprays and nail polishes, and increase the adhesion and durability of products.

5.Can PVP K30 and PVP K90 be used interchangeably?
Although the two have similar chemical properties, due to the differences in molecular weight and performance, it is recommended to choose the appropriate product based on specific application needs.

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