Top 10 Custom Povidone K90 Manufacturers In The World

Choosing the right Povidone K90 manufacturer is not simply a matter of price. Consistent polymer quality, reliable production capacity, suitable product specifications, and transparent quality documentation are essential for long-term procurement.

Povidone K90, also known as Polyvinylpyrrolidone K90 or PVP K90, is a high-molecular-weight, water-soluble polymer used in pharmaceutical formulations, cosmetics, personal care products, adhesives, and other specialty applications. Its binding, film-forming, and viscosity-modifying properties make it an important raw material for manufacturers seeking consistent formulation performance.

As global buyers look for dependable Povidone K90 suppliers, selecting a qualified manufacturer requires more than comparing quotations. Buyers should evaluate manufacturing expertise, batch-to-batch consistency, product documentation, customization capabilities, and export experience. 

Top 10 Custom Povidone K90 Manufacturers at a Glance

In No Particular Order

Huzhou Sunflower Pharmaceutical Co., Ltd. – Featured Povidone K90 Manufacturer in China

Huzhou Sunflower Pharmaceutical Co., Ltd. specializes in the research, development, and production of polyvinylpyrrolidone (PVP) and related products. Its product portfolio includes multiple Povidone K grades, as well as PVP derivatives for pharmaceutical, cosmetic, and industrial applications.

According to the company's published information, its SUNVIDONE® Povidone K series covers grades including K17, K25, K30, K60, K90, and K120. This range gives buyers access to different polymer grades according to their formulation and processing requirements.

High-Molecular-Weight PVP Manufacturing Expertise

Povidone K90 is a high-molecular-weight grade valued for its binding performance, film formation, and ability to modify solution viscosity. Its performance depends on factors such as K-value, molecular-weight characteristics, residual monomer levels, moisture content, and dissolution behavior.

A manufacturer with focused PVP production experience can help buyers evaluate these parameters and identify a suitable grade for their intended application.

Multiple PVP Products for Centralized Sourcing

In addition to Povidone K90, Huzhou Sunflower offers a broader PVP product range that includes Povidone K30, K60, K120, Povidone Iodine, Crospovidone, and Copovidone. This portfolio is useful for buyers managing multiple formulation projects or sourcing related polymer materials from one supplier.

Quality Documentation and Application Requirements

For pharmaceutical procurement, buyers should confirm the applicable pharmacopoeial specification, Certificate of Analysis (COA), impurity limits, and available quality-system documentation for the exact grade being purchased. Requirements should be matched to the intended market and dosage form.

Best suited for: Buyers seeking a specialized PVP manufacturer, a range of Povidone grades, and potential long-term supply cooperation.

Contact now

BASF SE 

BASF SE is a major international chemical company with an established presence in pharmaceutical excipients and specialty materials. Its Kollidon® portfolio includes povidone products used in pharmaceutical formulations.

For buyers evaluating Povidone K90 alternatives, BASF is a relevant company to consider when comparing established product portfolios, technical documentation, and international supply support.

Before placing an order, procurement teams should verify the availability of the exact grade, applicable specifications, local distribution arrangements, and whether customized supply options are offered.

Best suited for: Buyers prioritizing an established international excipient supplier and a broad technical support network.

Ashland 

Ashland develops specialty ingredients and materials for pharmaceutical, personal care, and industrial markets. Its pharmaceutical excipient portfolio includes PVP-related products, with established expertise in functional polymers.

When evaluating Ashland for a Povidone K90 sourcing project, buyers should confirm the precise product identity, grade availability, and compatibility with the intended formulation. Similar polymer families do not automatically share identical specifications or performance.

Best suited for: Formulation developers looking for specialty polymer expertise and technical support.

Boai NKY Pharmaceuticals Ltd. 

Boai NKY Pharmaceuticals Ltd. is a Chinese manufacturer associated with PVP products and pharmaceutical excipients. Its portfolio includes Povidone, Crospovidone, and Copovidone.

For pharmaceutical buyers, its range of related materials can be relevant when comparing tablet binders, disintegrants, and other excipients within a broader sourcing program.

Purchasers should request current technical specifications, grade-specific regulatory documentation, and confirmation of production availability for Povidone K90.

Best suited for: Buyers comparing Chinese pharmaceutical excipient manufacturers and related PVP products.

Huangshan Bonsun Pharmaceuticals Co., Ltd. 

Huangshan Bonsun Pharmaceuticals Co., Ltd. is associated with Povidone and related specialty products, including PVP-based materials. Its product range makes it a potential supplier to investigate when building a shortlist of manufacturers in China.

Buyers should distinguish between standard Povidone, Povidone Iodine, and cross-linked PVP products. These materials have different chemical structures, functions, and application requirements.

Before procurement, confirm whether the required Povidone K90 grade is available and obtain the relevant specifications and quality documents.

Best suited for: Buyers researching Chinese suppliers of PVP-related materials.

Jiaozuo Zhongwei Special Products Pharmaceutical Co., Ltd. 

Jiaozuo Zhongwei Special Products Pharmaceutical Co., Ltd. is another company to consider when researching Chinese pharmaceutical raw material suppliers. Its PVP-related product offerings may be relevant to buyers comparing excipient sourcing options.

For a custom Povidone K90 inquiry, the key questions are whether the company manufactures the requested grade directly, what quality standards apply, and whether it can support repeat orders with consistent specifications.

Best suited for: Procurement teams comparing domestic pharmaceutical excipient suppliers.

Hangzhou Motto Science & Technology Co., Ltd. 

Hangzhou Motto Science & Technology Co., Ltd. is associated with PVP polymers and specialty chemical materials. Buyers investigating this supplier should establish whether the company is the actual manufacturer, a distributor, or a sourcing partner for the requested grade.

This distinction matters because manufacturing control, traceability, customization, and complaint handling can differ between direct manufacturers and trading companies.

Best suited for: Buyers exploring alternative specialty polymer supply channels.

Nanhang Life Sciences 

Nanhang Life Sciences appears in supplier listings related to pharmaceutical and specialty chemical products. Buyers should conduct additional due diligence before treating it as a confirmed source of custom Povidone K90.

The evaluation should cover the legal company name, manufacturing address, product specifications, quality-system documentation, and export references. A supplier's presence in a directory alone does not establish that it manufactures the exact grade required.

Best suited for: Buyers expanding their supplier search and conducting preliminary qualification.

Merck KGaA 

Merck KGaA is an international science and technology company with businesses serving life science, healthcare, and electronics markets. It is relevant to broader pharmaceutical material sourcing, but buyers should not assume that every Povidone grade is available directly from Merck.

For a Povidone K90 requirement, confirm the exact catalog product, intended grade, commercial availability, and supply channel before requesting a quotation.

Best suited for: Buyers seeking established international life science and specialty material suppliers.

Nippon Shokubai Co., Ltd. 

Nippon Shokubai Co., Ltd. is a Japanese chemical manufacturer with expertise in specialty chemicals and polymer-related technologies. Its broader manufacturing background makes it relevant to specialty materials research, although a direct Povidone K90 offering should be independently verified.

Procurement teams should request a current product catalog and confirm whether the company supplies Povidone K90 itself or offers alternative materials for a particular application.

Best suited for: Buyers researching Japanese specialty chemical manufacturers and potential polymer alternatives.

What Should Buyers Consider When Purchasing Custom Povidone K90?

Choosing the right Povidone K90 manufacturer requires a structured technical and commercial evaluation.

1. Grade and Specification Compliance

Confirm the K-value range, viscosity test conditions, moisture content, residual N-vinylpyrrolidone (NVP), relevant impurity limits, and other critical parameters. For pharmaceutical applications, check the applicable USP–NF, Ph. Eur., ChP, or other required specification rather than assuming all grades are interchangeable.

2. Application and Formulation Compatibility

Povidone K90 may be used as a binder or film-forming polymer, but the required performance depends on the formulation. Buyers should provide information about the intended dosage form, solvent system, processing method, and target performance when requesting technical recommendations.

3. Customization and Manufacturing Capability

Clarify whether customization refers to packaging, particle characteristics, documentation, or actual product specifications. Any changes to critical quality attributes should be assessed by the manufacturer and qualified by the buyer before commercial use.

4. Quality Documents and Traceability

Request a recent COA, product specification, safety data sheet (SDS), applicable quality certifications, and relevant regulatory statements. Pharmaceutical buyers should also establish batch traceability and change-notification expectations.

5. Pricing, Lead Time, and Long-Term Supply

Compare quotations using the same grade, specification, packaging, order quantity, delivery terms, and documentation requirements. A low unit price may not represent the best total purchasing cost if lead times, freight, testing, or supply continuity create additional expenses.

Frequently Asked Questions About Povidone K90 Purchasing

1. What is Povidone K90 used for?

Povidone K90 is a high-molecular-weight water-soluble polymer used in pharmaceutical formulations, cosmetics, personal care products, adhesives, and selected industrial applications. Depending on the formulation, it can provide binding, film formation, or viscosity modification.

2. What is the difference between Povidone K30 and Povidone K90?

Both are grades of polyvinylpyrrolidone, but they differ in K-value and associated molecular-weight characteristics. Povidone K90 generally provides higher solution viscosity and different binding or film-forming behavior than Povidone K30 under comparable test conditions. The appropriate grade depends on the formulation and processing requirements.

3. Can manufacturers provide custom Povidone K90 specifications?

Customization depends on the manufacturer's capabilities and the nature of the requested change. Packaging, documentation, and order quantities may be easier to accommodate than changes to fundamental polymer characteristics. Buyers should discuss requirements before sampling and confirm the final specification in writing.

4. What information should be included in a Povidone K90 RFQ?

A complete request for quotation should include the required grade, intended application, target specification, estimated order quantity, packaging preference, destination country, required documents, and expected delivery schedule. Pharmaceutical buyers should also identify applicable pharmacopoeial and regulatory requirements.

5. Why should buyers source Povidone K90 directly from a manufacturer?

Direct sourcing can improve access to product documentation, production information, technical discussions, and batch traceability. It may also simplify communication about repeat orders and quality issues. However, buyers should still compare total cost, service quality, manufacturing qualifications, and supply reliability.

Conclusion

Selecting among the top custom Povidone K90 manufacturers in the world requires a balance of technical suitability, documented quality, production capability, and commercial reliability. Buyers should verify that each shortlisted supplier can provide the exact grade and documentation required for their application rather than relying solely on company reputation or general product descriptions.

Huzhou Sunflower Pharmaceutical Co., Ltd. is a strong starting point for buyers researching specialized PVP manufacturers in China. Its SUNVIDONE® Povidone K series and related PVP products provide a basis for discussing grade selection and potential long-term supply arrangements.

For pharmaceutical manufacturers, cosmetic formulators, distributors, and industrial purchasers, a well-defined RFQ and a documented supplier qualification process are essential steps toward consistent product performance and dependable Povidone K90 procurement.