Polyvinylpyrrolidone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 9003-39-8 |
| Product name | Polyvinylpyrrolidone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeElectronic GradeMaterial GradeFood GradeCosmetic Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Polyvinylpyrrolidone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Polyvinylpyrrolidone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Polyvinylpyrrolidone
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a pharmaceutical excipient for tablet and capsule binding and thickening | Wet granulation, direct compression |
| Pharmaceuticals | Used to enhance drug solubility and bioavailability | Solution blending, nanoparticle encapsulation |
| Pharmaceuticals | Used as a plasma expander (e.g., PVP-12) in shock treatment | Intravenous solution preparation |
| Medical Devices | Used as a wetting and lubricating agent in contact lenses | Surface coating, hydrogel preparation |
| Cosmetics | Used as a styling agent in hair sprays and mousses | Solution spraying, aerosol filling |
| Cosmetics | Used as a thickener and stabilizer in emulsions and creams | Emulsification, homogenization |
| Food Industry | Used as a clarifying agent in beer and wine production | Addition prior to filtration, adsorption precipitation |
| Water Treatment | Used as a coagulation aid for suspended solids removal | Coagulation-flocculation-sedimentation |
| Electronics | Used as a film-forming agent and stabilizer in photoresists | Photolithographic coating, thermal curing |
| Agriculture | Used as a pesticide suspension agent and controlled-release carrier | Suspension formulation, microencapsulation |
Manufacturing Quality Control of Polyvinylpyrrolidone
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Assessment of physical state and color under controlled lighting conditions |
| Solubility in Water | Gravimetric Dissolution Test | Determination of complete dissolution in specified water volume at defined temperature |
| pH (1% aqueous solution) | Potentiometric Titration | Measurement of hydrogen ion activity using calibrated pH electrode |
| Viscosity (4% aqueous solution) | Capillary Viscometry | Quantification of flow time through calibrated capillary tube under gravity |
| K-value (Fikentscher) | Capillary Viscometry | Calculation of reduced viscosity-derived dimensionless parameter reflecting molecular weight |
| Residue on Ignition | Gravimetric Ashing | Determination of non-volatile inorganic residue after high-temperature combustion |
| Loss on Drying | Thermogravimetric Weighing | Measurement of mass loss after heating under controlled temperature and humidity |
| Heavy Metals (as Pb) | AAS (Atomic Absorption Spectroscopy) | Quantification of metal content via absorption of characteristic atomic spectral lines |
| Total Organic Carbon (TOC) | Combustion-NDIR | Oxidation of organic carbon to CO2 followed by non-dispersive infrared detection |
| Peroxide Value | Iodometric Titration | Measurement of peroxide content based on iodine liberation from potassium iodide |
| Residual Vinylpyrrolidone (Vp) | GC-FID (Gas Chromatography with Flame Ionization Detection) | Separation and quantification of monomer impurity using thermal desorption and flame ionization |
| Microbial Contamination (Total Aerobic Count) | Membrane Filtration and Plate Count | Enumeration of viable aerobic microorganisms grown on nutrient agar after filtration |
Technical Specifications of Polyvinylpyrrolidone
| Test Item | Specification |
|---|---|
| Appearance | White to off-white powder |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Residue on Ignition | <=0.5% |
| Heavy Metals | <=20 ppm |
| Solubility | Freely soluble in water; practically insoluble in diethyl ether and chloroform |
| Color (APHA/Pt-Co) | <=100 |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Polyvinylpyrrolidone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Polyvinylpyrrolidone
Industrial Polyvinylpyrrolidone Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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