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Hangzhou Weitong Nanomaterials Co., Ltd. is an innovative enterprise focusing on the field of nanomaterials, founded in 2015. Our factory has an efficient production capacity and is able to produce a wide range of high-quality products. Our factory adopts a strict quality management system to ensure that the products meet high quality standards. We have a professional technical team and advanced production equipment, as well as perfect after-sales service, to provide customers with a full range of solutions. We strive for continuous innovation and optimization to meet and exceed our customers' needs and expectations, and move forward to become a world-class chemical company.

Why choose us

Our factory

Our product

Our range of NVP-based products covers various series tailored to different industries. This includes the homopolymer series (K15-K120), copolymer series (VA64 powder, V64E, VA64W, 73W, 37E, 37W), and cross-linked series (PVPP XL-10, PVPP-10, povidone-iodine pvpI). These products find applications across diverse sectors, serving as stabilizers, dispersants, coatings, inks, and adhesives.

Quality control

We have the ISO9001 certificate, and we strictly follow GMP production standards for production.

Good after-sale service

We have a sound after-sales service system, so whatever you have any doubt about the product, you can strictly contact us, we will give you a satisfied plan.

Povidone-Iodine

Trade Name: Povidone -I
INCI/CTFA Name: Povidone-Iodine
Chemical Name: Complex of Polyvinylpyrrolidone and Iodine
Synonymous Names:PVP-Iodine, Iodophor, Polyvinylpyrrolidone Iodide, Polyvinylpyrrolidone-Iodine Complex, PVP-I

PVPI	CP2010	USP36	EP7.5
Appearance	Free-flowing reddish-brown powder
Identification	The aqueous solution is light brown
Available Iodine %	9.0-12.0	9.0-12.0	9.0-12.0
Iodine % max.	6.6	6.6	6
Heavy Metals ppm max.	20	20	--
Ash % max.	0.1	0.025	0.1
Nitrogen Content %	9.5-11.5	9.5-11.5	--
PH value (10% in water)	-	--	1.5-5.0
Loss on Drying % max.	8	8	8

Drug Interactions

Drug-Drug Interaction

Povidone Iodine may interact with eye formulations that contain mercury-based preservatives.

Drug-Food Interaction

No interactions were found/established.

Drug-Disease Interaction

Before using Povidone Iodine, let your doctor know if you have any allergic reactions to iodine or povidone, thyroid diseases, liver or kidney problems, and dry eyes syndrome.

Safety Advice

Do not use on large open wounds or severe burns

Avoid prolonged use without medical supervision

Not recommended for people with iodine allergy

Use caution in patients with thyroid disorders

Keep away from children and avoid eye contact

Povidone-Iodine of Its 3 Most Common Use Cases

Wounded Skin Disinfection

This is used to clean minor openings in the flesh or skin, such as cuts, grazes, or even burning sites, to prevent infection.

Surgical Preparation

Commonly used in hospitals to disinfect a body part before performing an operation.

Sanitization of Hands

It is used in healthcare facilities for the disinfection of hands.

Polyvinylpyrrolidone

INCI/CTFA Name

Polyvinylpyrrolidone

Chemical Description

Vinylpyrrolidone copolymer

Monomer Molar Mass

111.14 g/mol

CAS No

9003-39-8

Product	State	Mw	K Value	Main Uses
K12	Powder	2,500	41,562*	Solubilization and pigment dispersion in cosmetics
K15	Powder	8,000	13-18	-
K17	Powder	10,000	15-19	-
K30	Powder	60,000	27-32	Hair sprays, hair gels, creams
K30L	30% Aqueous	60,000	27-32	-
K60	Powder	380,000	55-65	Hair sprays, facial masks
K60L	40% Aqueous	380,000	55-65	-
K85L	20% Aqueous	950,000	76-89	Hair styling gels
K90	Powder	1,300,000	88-96	-
K90L	20% Aqueous	1,300,000	90-100	-
K120	Powder	3,000,000	105-130	Super strong styling gels
K120L	11% Aqueous	3,000,000	105-130	-

Applications

●As film-forming agents and thickeners in hair styling products (e.g., hair sprays, mousses, pump sprays).
●Emulsion stabilizers in creams and lotions.
●Dispersants for hair dyes.
●Foam stabilizers.
●Detergents and gelling agents in toothpaste.
●Thickeners in oral and topical formulations.

Safety information for polyvinylpyrrolidone

Signal word	Danger
Pictogram(s)	Health Hazard GHS08
Precautionary Statement Codes	P201:Obtain special instructions before use. P202:Do not handle until all safety precautions have been read and understood. P280:Wear protective gloves/protective clothing/eye protection/face protection. P308+P313:IF exposed or concerned: Get medical advice/attention. P405:Store locked up. P501:Dispose of contents/container to..…

Understand the process flow of PVP

productcate-800-412

FAQ

Q: What are the properties of polyvinylpyrrolidone?

A: Polyvinylpyrrolidone (PVP), also known as povidone, is a water-soluble polymer with several unique properties. These include excellent solubility in water and various organic solvents, film-forming capabilities, adhesive properties, and stability across a wide range of temperatures and pH levels. It is also known for its ability to form complexes with other substances and its biocompatibility.

Q: Is polyvinylpyrrolidone soluble in methanol?

A: PVP is soluble in water and other polar solvents. For example, it is soluble in various alcohols, such as methanol and ethanol, as well as in more exotic solvents like the deep eutectic solvent formed by choline chloride and urea (Relin).

Q: What is a substitute for polyvinylpyrrolidone?

A: Hyaluronate, a natural and readily degradable glycosaminoglycan can be used as a substitute for the artificial PVP polymer without jeopardising the outcome of the treatment cycle.

Q: What is the action of polyvinylpyrrolidone?

A: Povidone, also known as polyvinylpyrrolidone (PVP) or polyvidone, is a synthetic water-soluble polymer made from the monomer N-vinylpyrrolidone used as a binder in many pharmaceutical tablets and lubricant in eye drops.

Q: How to prepare polyvinylpyrrolidone solution?

A: Anhydrous polyvinylpyrrolidone, into a 250 ml conical flask, and calculate the amount of water to be added to make a 1% solution. Allow the mixture to stand at room temperature, with occasional swirling, until solution is complete, and then allow to stand for 1 h.

Q: Is polyvinylpyrrolidone flammable?

A: May burn but does not ignite readily. Fire/decomposition may produce irritating and/or toxic fumes, including Carbon oxides, Nitrogen oxides (NOx).

Q: What is the role of polyvinylpyrrolidone in assisted reproduction?

A: Polyvinylpyrrolidone (PVP) has been used to slow down the motile spermatozoa for immobilization, and to facilitate injection of the sperm into the oocyte.

Q: Is polyvinylpyrrolidone hydrophobic?

A: Polyvinylpyrrolidone (PVP) is a highly hydrophilic polymer, used as a food additive that acts as stabilizer and thickening agent, which brings improvements in membrane properties. This study analyses the effect of polyvinylpyrrolidone (PVP) on the casting solution of the prepared membranes.

Q: Is polyvinylpyrrolidone safe for skin?

A: The Expert Panel evaluated the scientific data and concluded that PVP (polyvinyl pyrrolidone) was safe as used in cosmetics and personal care products.

As one of the most professional personal care manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy bulk personal care at low price from our factory. Contact us for quotation and free sample. Polyvinylpyrrolidone Pvp K30 Solution, Povidone Iodine Solution Chemicals, Dispersant