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

Characteristics

White to yellowish fine powder

Hygroscopic

Odorless or with a faint characteristic odor

Insoluble in water, alkali, acid and common organic solvents

Easily swellable in water without forming gels

Specification

Sunlydone		CL	CL-R	CL-S
PH (1% suspension)		5.0-8.0	5.0-8.0	5.0-8.0
Water, % max.		5.0	5.0	5.0
Sulphate ash, % max.		0.4	0.4	0.4
Water-soluble substances, % max.		1.0	1.0	1.0
Free-NVP, mg/kg max.		10	10	10
Free-N,N'-Divinylinidazolidone, mg/kg max.		2	2	2
Lead, mg/kg max.		5	5	5
Nitrogen, %		11.0-12.8	11.0-12.8	11.0-12.8
Particle size, microns		0-300	45%<75	100%<75
Particle size, microns		0-300	15%<37
Equivalent to	BASF's		Divergan R	Divergan F
	ISP's	Disintex	Polgclar R	Polyclar 10/V

Application

Food and Beverage Industry: It is widely used as a clarifier in the production of wine, beer and other beverages. It can absorb phenolic substances, phenolic acids, proteins and other tiny impurities in beverages.

Pharmaceuticals and health products: PVPP can be used as a stabilizer and adsorbent, and is commonly used in the preparation of tablets and capsules.

Cosmetics Industry: PVPP is used as a thickener and stabilizer to help adjust the viscosity of the product and improve its stability.

FAQ

1.What is the role of PVPP in food and beverages?
As a clarifier, it can adsorb impurities such as phenolic compounds, pigments, proteins, etc. in beverages, thereby improving the clarity and stability of beverages.

2. How is PVPP used?
It is usually added to the liquid in the form of powder or granules, and after a certain period of contact, it is removed by filtration.

3. Is PVPP harmful to the human body?
PVPP is a strictly tested chemical substance that meets food and drug safety standards. It is not absorbed by the human body and is therefore safe.

4. Can PVPP react with other substances?
Generally, it will not react with other substances. Its role is mainly physical adsorption, and does not involve chemical reactions.

5. Are there any restrictions on the use of PVPP?
Although PVPP has shown excellent performance in a variety of applications, it is still necessary to comply with relevant regulations and standards when using it.

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Polyvinylpolypyrrolidone (insoluble)