China High Molecular Weight Anionic Polyacrylamide Supplier & Factories

World-Class Enzymatic Synthesized Water-Soluble Polymers (APAM) for Industrial Wastewater Treatment, Enhanced Oil Recovery (EOR), Mining & Paper Manufacturing

Primary Anionic & Ionic Polyacrylamide Catalog

Explore our flagship high molecular weight flocculants engineered for industrial solid-liquid separation

Wholesale Cationic Polyacrylamide Flocculant for Textile
Wholesale Cationic Polyacrylamide (CAS 9003-05-8) Flocculant for Textile & Dyeing Wastewater Manufacturer, Supplier
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China Nonionic Polyacrylamide Thickener for Oilfield
China Nonionic Polyacrylamide (PAM) Thickener for Oilfield Drilling Fluid Manufacturers, Suppliers
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Wholesale Anionic Polyacrylamide Manufacturers
Wholesale Anionic Polyacrylamide Manufacturers, Supplier
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Wholesale PAM Anionic Polyacrylamide Manufacturer
Wholesale PAM Anionic Polyacrylamide Manufacturer, Suppliers
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Cationic Polyacrylamide for Sludge Dewatering
Wholesale Cationic Polyacrylamide (CPAM) for Sludge Dewatering & Industrial Wastewater Flocculation Supplier, Factories
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Anionic Polyacrylamide for Municipal Sewage
Wholesale Anionic Polyacrylamide (APAM) for Municipal Sewage Treatment & Sludge Dewatering Manufacturers, Suppliers
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High Molecular Weight Anionic Polyacrylamide for Petrochemical
Wholesale High Molecular Weight Anionic Polyacrylamide for Petrochemical & Metallurgical Wastewater Suppliers, Factories
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High Molecular Weight Nonionic Polyacrylamide for Coal Washing
Wholesale High Molecular Weight Nonionic Polyacrylamide for Coal Washing & Tailings Dewatering Manufacturers, Suppliers
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Enterprise Excellence: Qingdao Oubo Chemical Co., Ltd

A Decade of Leadership in Water-Soluble Polymer Science & Global Chemical Manufacturing

Industrial Heritage & Strategic Manufacturing

Established in 2011, Oubo Chemical Co., Ltd is strategically situated in the Free Trade Zone of Qingdao, China. Operating within a premier logistics hub, Oubo has engineered an advanced chemical production ecosystem. Over the past decade, our annual business growth rate has sustained a consistent 10% YoY increase, solidifying our standing as an elite global manufacturer of Polyacrylamide (PAM).

Qingdao Oubo Chemical Co., Ltd is highly committed to uncompromising quality standards, client-first technical support, and strict environmental stewardship during polymer synthesis and field execution. The quality management system of Oubo has been certified under ISO9001:2008, ensuring rigorous compliance at every stage of production.

"Our annual production capacity of polyacrylamide surpassed 50,000 Metric Tons in 2018. We leverage patented biological enzymatic polymerization to deliver ultra-high molecular weight polymers with minimal environmental footprint."

Global Supply Chain Integrity & Technical Mastery

To guarantee maximum polymer chain stability and zero batch-to-batch variation, our global supply chain sources key monomers from premier international raw material partners including SINOPEC, Eni, and other world-leading chemical suppliers.

Every production line in our Qingdao facility operates on full automation. Our dedicated Quality Control (QC) team executes a mandatory 3-stage testing protocol for every production lot prior to dispatch. Furthermore, Oubo invests over €2 hundred million into R&D per year to drive technical accumulation and process innovations.

50,000+
Annual Tons Capacity
€200M
Annual R&D Investment
ISO9001
Certified Quality System
10%
Annual YoY Growth

Industry Whitepaper: High Molecular Weight Anionic Polyacrylamide (APAM)

Chemical Structure, Molecular Dynamics, and Synthesis Breakthroughs

Polymer Chemistry & Architecture

Polyacrylamide (PAM) is a synthetic, water-soluble resin polymer derived from polymerized acrylamide monomers. Anionic Polyacrylamide (APAM) is produced by copolymerizing acrylamide with acrylic acid or sodium acrylate, imparting a negative electrical charge (-COO⁻) along the linear macromolecular backbone.

Molecular Weight (MW) Spectrum

Our High Molecular Weight APAM ranges from 8 Million to over 25 Million Daltons. High MW provides extensive polymer chain lengths, enabling powerful inter-particle bridging mechanisms during coagulation and flocculation processes in liquid-solid separation.

Degree of Hydrolysis (HD)

The charge density (degree of hydrolysis) of APAM can be custom-synthesized from 10% to 50%. This flexibility allows precise tuning to match the Zeta Potential of target suspended solids in industrial effluents, mining slurries, and municipal sludge.

Technical Innovation: Biological Enzymatic Synthesis (Oubo Patent)

Traditional chemical synthesis of acrylamide relies on copper-catalyzed hydration of acrylonitrile, which yields residual monomer impurities, unwanted side reactions, and unreacted metallic traces. Oubo Chemical utilizes an advanced Microbiological Enzymatic Polymerization Process (patent applied).

Ultra-High Purity & Low Residual Monomer

Enzymatic catalysis converts acrylonitrile at near 100% efficiency at room temperature, maintaining residual monomer content below 0.05% (500 ppm), making it safe for delicate ecological applications and municipal water purification.

Linear Polymer Architecture & Superior Dissolution

The bio-enzymatic path prevents branching or cross-linking. This creates ultra-linear polymer chains with extremely high intrinsic viscosity and dissolution times under 45 minutes, dramatically cutting energy consumption during makeup.

Complete Polyacrylamide Ionic Classifications

Targeted Polymer Solutions across Cationic, Anionic, and Nonionic Types

Cationic Polyacrylamide

Cationic Polyacrylamide (CPAM)

Positive charge density (5%-80%). Specially formulated for organic sludge dewatering (belt press, centrifuge), municipal sewage clarification, and paper retention.

Anionic Polyacrylamide

Anionic Polyacrylamide (APAM)

Negative charge density (10%-50%), ultra-high molecular weight. Designed for inorganic wastewater treatment, mineral dressing, EOR oilfield operations, and clay settling.

Nonionic Polyacrylamide

Nonionic Polyacrylamide (NPAM)

Neutral electrical charge, high hydrogen bonding capability. Perfect for acidic wastewater flocculation, mineral leaching tailings, and textile sizing agents.

MACRO INDUSTRY SOLUTIONS & LOCAL APPLICATION SCENARIOS

Engineering customized flocculation, thickening, and separation performance across global sectors

Municipal & Industrial Wastewater Treatment

As a master flocculating agent, High Molecular Weight APAM is primarily utilized in solid-liquid separation processes including primary clarification, sedimentation, sludge thickening, and centrifuge dewatering. Increasingly stringent environmental regulations promote continuous demand for advanced PAM flocculants.

Key Segments: Urban Municipal Sewage, Tannery/Leather Effluents, Paper Mill Effluents, Citric Acid Processing, Vegetable Protein Extract, Pharmaceutical Wastewater, Dyeing Wastewater, and Incense Production.

Paper & Pulp Manufacturing Chemicals

In the paper industry, polyacrylamide serves as a retention aid, drainage aid, dispersant, and dry/wet strength enhancer. It improves sheet formation, reduces fiber loss, and optimizes white water closed-loop recycling systems while aiding deinking flotation.

  • Paper Retention Agent: Improves retention of short fibers and fillers (calcium carbonate, titanium dioxide), accelerating dewatering speed.
  • Anionic Garbage Capture Agent: Neutralizes charge interference from pitch and dissolved organics in wet-end chemistry.
  • Paper Strength Agent: Ionic linkages and covalent hydrogen bonds between amide groups and pulp fibers increase burst and tensile index.
  • Dispersant Agent: Promotes uniform fiber distribution for low basis weight specialty sheets.

Oilfield EOR & Drilling Fluids Industry

Polyacrylamide plays a critical role in onshore and offshore petroleum engineering. It functions as a mobility control agent in polymer flooding, friction reducer in hydraulic fracturing, and shale stabilizer in water-based drilling muds.

Key Solutions: Enhanced Oil Recovery (EOR), Hydraulic Fracturing Slickwater Additives, High-Temperature/Salt-Resistant Drilling Fluid Additives, Profile Control & Water Shut-Off Gels, and Oil Sands Processing Flocculants.

Mining & Mineral Processing Solutions

In mineral beneficiation, PAM accelerates sedimentation rates in thickeners and improves vacuum filtration cake dryness. Oubo's full range of nonionic, anionic, and cationic polymers are tailored for extreme mineral pH environments.

Applications: Coal Washing Slurry Flocculation, Tailing Thickening & Backfill Dewatering, Counter-Current Decantation (CCD) Circuits for Copper, Gold, Silver, Iron Ore, Nickel, and Uranium Extraction.

Sugar Juice Clarification & Refining

During sugar cane and sugar beet processing, high molecular weight APAM accelerates the settling of suspended mud impurities in raw juice clarifiers, producing sparkling clear syrup while maximizing sugar yield recovery.

Textile Sizing & Dyeing Wastewater

PAM acts as a high-performance warp sizing agent, fabric finishing sizing fluid, and anti-static protective film supplier in textile weaving mills, as well as a primary coagulant aid for color de-colorization in textile dyeing effluent plants.

So Why Choose OuBo Chemical?

World-Class Engineering, Rigorous Quality Control, and Direct Factory Supply

Professional Producer

Qingdao OUBO Chemical Co., Ltd is a world-leading polyacrylamide manufacturer. We utilize patented biological methods to synthesize polyacrylamide, investing over €200M in research annually to maintain technological leadership.

Quality Assurance

Fully integrated global supply chain. Key raw materials sourced from tier-one providers like SINOPEC and Eni. Fully automated production lines certified by ISO9001, with 3x QC batch testing prior to shipment.

Specialized & Efficient

Over a decade of specialized PAM production expertise. Our senior technical teams provide end-to-end support across pre-sales jar testing, sample selection, product optimization, and seamless field dosing deployment.

Technical Support

Our dedicated chemical engineers collaborate closely with international municipal and industrial clients to select optimal molecular weight and charge density parameters tailored to site-specific water conditions.

Custom Packaging Options & Export Logistics

Moisture-proof, durable industrial packaging options tailored for global sea and land transport

Blank Kraft Bag Packaging

Blank Neutral Bag

25kg PE-lined inner plastic bag with neutral unbranded outer paper kraft craft bag, ideal for distributors.

Normal Oubo Standard Bag

Standard Printed Bag

25kg standard O'brien branded bag multi-wall paper-plastic composite bag with full product specs.

Bulk Container Packaging

Jumbo Bulk Ton Bag

750kg - 1000kg heavy-duty FIBC super sacks designed for high-capacity mining and oilfield automated make-up systems.

Palletized Export Packaging

Palletized Container Load

Fumigated wooden or plastic pallets wrapped with shrink film, securing 1.2 to 1.5 Metric Tons per pallet for ocean shipping.

Frequently Asked Questions & Procurement Guidance

Expert insights covering selection, field preparation, storage, and purchasing

How do I determine whether my process requires Anionic, Cationic, or Nonionic PAM?
The choice depends primarily on the electrical charge of the suspended particles (Zeta Potential) in your slurry or wastewater. Inorganic suspended solids (such as silica, clay, minerals, and metal hydroxides) carry positive charges and are best aggregated by Anionic Polyacrylamide (APAM). Organic sludges (such as biological municipal sewage sludge) carry negative charges and require Cationic Polyacrylamide (CPAM). Neutral or complex acidic industrial slurries respond best to Nonionic Polyacrylamide (NPAM). We recommend conducting standard jar testing in our lab or your facility to verify optimal polymer selection.
What is the standard procedure for preparing dry Polyacrylamide powder solutions?
Polyacrylamide powder must be dissolved in clean water at a concentration between 0.1% and 0.3% (w/v).
  1. Use clean water with a neutral pH (temperatures between 15°C and 40°C). Avoid using hot water above 60°C as it degrades polymer chains.
  2. Slowly sprinkle the dry powder into the vortex of stirring water to prevent fish-eye agglomeration.
  3. Agitate continuously at low speed (200 - 400 RPM) for 45 to 60 minutes until the granules are completely dissolved.
What is the shelf life of Oubo dry Polyacrylamide powder and prepared stock liquid?
Unopened dry powder packaged in moisture-proof bags has a shelf life of 24 months when stored in a cool, dry, and ventilated warehouse. Once dissolved into aqueous solution, the stock liquid should ideally be consumed within 24 to 48 hours for Anionic/Nonionic PAM, and within 24 hours for Cationic PAM, as diluted aqueous solutions gradually undergo shear degradation over time.
What advantages does Qingdao Oubo Chemical offer over European or North American suppliers?
Oubo Chemical delivers an optimal combination of tier-one chemical quality and cost competitiveness. Operating out of the Qingdao Free Trade Zone with a 50,000 MT annual capacity, we secure raw materials from global giants like Sinopec and Eni. Combined with our patented bio-enzymatic synthesis process and ISO9001 quality management, our customers achieve identical or superior technical performance at 20-30% lower procurement costs.
Can Oubo Chemical supply customized OEM packaging and white-label products?
Yes, we provide full OEM and private-label manufacturing services. We can customize bag designs, printing languages, pallet dimensions, and bag sizes (25kg bags, 750kg/1000kg jumbo bulk bags) to align with your brand requirements and regional commercial compliance standards.

Secondary Product Portfolio & Specialty Grades

Direct manufacturer supply for sugar refining, paper additives, acidic wastewater, and mining

Anionic Polyacrylamide Powder for Food Processing
Wholesale Anionic Polyacrylamide Powder Flocculant for Food Processing & Sugar Refining Wastewater Manufacturer, Factories
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China Nonionic Polyacrylamide Manufacturers
China Nonionic Polyacrylamide Manufacturers, Supplier
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China Cationic Polyacrylamide Paper Making
China Cationic Polyacrylamide Retention & Drainage Aid for Paper Making Industry Supplier, Factories
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Cationic Polyacrylamide Powder for Wastewater
Wholesale Cationic Polyacrylamide Powder for Municipal & Industrial Wastewater Treatment Supplier, Suppliers
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China Cationic polyacrylamide Manufacturer
China Cationic polyacrylamide Manufacturer, Supplier
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Nonionic Polyacrylamide for Mineral Processing
Wholesale Nonionic Polyacrylamide (NPAM) for Mineral Processing & Metallurgical Ore Dressing Suppliers, Factories
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PAM Anionic Polyacrylamide Dry & Wet Strength Agent
China PAM Anionic Polyacrylamide Dry & Wet Strength Agent for Paper Industry Manufacturers, Factories
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Nonionic Polyacrylamide Flocculant for Acidic Wastewater
China Nonionic Polyacrylamide Flocculant for Acidic Industrial Wastewater Treatment Manufacturers, Factories
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