Sodium polyacrylate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 9003-04-7 |
| Product name | Sodium polyacrylate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 Sodium polyacrylate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Sodium polyacrylate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Sodium polyacrylate
| Industry | Application | Process |
|---|---|---|
| Water Treatment | Scale inhibitor and dispersant for recirculating cooling water, boiler water, and wastewater treatment | Polymerization; added to water systems to adsorb fine particles and prevent crystalline scale formation |
| Papermaking | Pulp dispersant, sizing agent stabilizer, and retention/drainage aid | Added to pulp to improve fiber dispersion, enhance filler retention, and reduce white water solids concentration |
| Household & Industrial Cleaning | Builder and anti-redeposition agent in laundry detergents, powders, and dishwasher detergents | Blended with surfactants to chelate calcium and magnesium ions and suspend soil particles to prevent redeposition |
| Construction Materials | Concrete water reducer and retarder | Dosed into concrete mixtures to adsorb onto cement particles, generate electrostatic repulsion, and release entrapped water |
| Ceramics | Green body strength enhancer and deflocculant | Added to ceramic slips to reduce viscosity and improve flowability via electrostatic dispersion |
| Oilfield Operations | Fluid loss control agent, viscosifier, and profile control/water shutoff agent for drilling fluids | Formulated into drilling muds to adjust rheology and improve sweep efficiency during water injection |
| Mineral Processing | Dispersion and flocculation agent in mineral beneficiation | Used during flotation or sedimentation to regulate slurry surface potential and separate valuable minerals from gangue |
| Coatings & Inks | Dispersant and thickener for water-based coatings and pigments | Disperses pigment particles, prevents flocculation, and improves rheological behavior and storage stability |
| Agriculture | Soil conditioner and superabsorbent polymer (crosslinked type) for water retention | Mixed with soil to absorb and retain moisture and improve soil aggregate structure (crosslinked sodium polyacrylate used in some formulations) |
| Textile Dyeing & Printing | Thickener for printing pastes and fabric finishing agent | Used in印花 pastes to adjust viscosity and improve hand feel and dye uniformity |
| Pharmaceuticals | Pharmaceutical excipient (disintegrant and binder) | Employed in tablet manufacturing; swells upon contact with water to promote disintegration or functions as a binder |
Manufacturing Quality Control of Sodium polyacrylate
| Detection Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the sample's color, physical state (e.g., white or off-white powder, granules), and presence of impurities with the naked eye. |
| pH Value | pH Meter Method | Measure the acidity or alkalinity of a polyacrylic acid sodium aqueous solution (e.g., 1%) at a specified temperature using a calibrated pH meter. |
| Solid Content (Dry Basis) | Drying Loss Method | Weigh a certain amount of sample, dry it to constant weight at a specified temperature (e.g., 105±2°C), and calculate the percentage of residual solids relative to the original sample mass. |
| Water Absorption / Saline Absorption Capacity | Tea-Bag Method | Place the sample in a non-woven fabric bag, immerse it in deionized water or 0.9% NaCl solution for a set time, then remove and drain. Calculate the liquid absorption capacity (absorption ratio). |
| Residual Monomer (Acrylic Acid) | Gas Chromatography (GC) or High-Performance Liquid Chromatography (HPLC) | Dissolve and dilute the sample, then analyze the unreacted acrylic acid monomer content using GC or HPLC to assess the completeness of the polymerization reaction. |
| Viscosity | Rotational Viscometer Method | Prepare a solution of polyacrylic acid sodium at a specified concentration, and measure its dynamic viscosity using a rotational viscometer under defined temperature and shear rate conditions. |
| Particle Size Distribution | Sieve Analysis or Laser Particle Size Analysis | Determine particle size distribution using standard sieve sets or a laser particle analyzer to evaluate product uniformity and suitability for application. |
| Ash Content | High-Temperature Incineration Method | Incinerate the sample at high temperature (e.g., 600–800°C) in a muffle furnace until constant weight is achieved, then calculate the percentage of inorganic residue relative to the sample mass. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After sample digestion, use AAS or ICP-MS to determine levels of heavy metals such as lead, arsenic, mercury, and cadmium to ensure compliance with safety standards. |
| Infrared Spectral Identification | Fourier Transform Infrared Spectroscopy (FT-IR) | Confirm the structure of polyacrylic acid sodium by identifying characteristic infrared absorption peaks (e.g., C=O stretching vibration of carboxylate group at approximately 1550–1610 cm⁻¹). |
Technical Specifications of Sodium polyacrylate
| Test Item | Specification |
|---|---|
| Appearance | White powder |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.3% |
| Heavy Metals | <=10 ppm |
| Solubility | Freely soluble in water |
| Odor | Characteristic, faint |
| Color (APHA/Pt-Co) | <=50 |
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 Sodium polyacrylate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Sodium polyacrylate
Packaging of Sodium polyacrylate
Industrial Sodium polyacrylate 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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