Ⅱ. Core Physical and Chemical Characteristics of the Product

2.1 Exclusive Performance Highlights

• High-efficiency dissolution without heating: The molecular weight ranges from 3 million to 8 million, with short molecular chains that do not entangle. It can be completely dissolved within 30-60 minutes at room temperature, and the dissolution rate is 2-3 times that of high molecular weight APAM. There is no need for long-term stirring or heating, which significantly shortens the drug preparation cycle and improves work efficiency.
• 
  
• Low viscosity and high fluidity, no risk of blockage: After dissolution, the aqueous solution is clear and transparent with extremely low viscosity (≤50mPa·s at 0.2% concentration) and excellent fluidity. There is no phenomenon of sticky wall-hanging or agglomeration and difficult dissolution, and it will not block pipelines, metering pumps, filter nozzles, or spray heads. It is suitable for fully automatic precision dosing systems, with zero operation and maintenance burden.
• 
  
• Excellent dispersibility and strong stability: The negative charge density is moderate. After being added, it can quickly and evenly disperse in water and slurry, taking effect rapidly. It is not easy to cross-link and gel when encountering high-valent metal ions, and is resistant to high-hardness water quality and a small amount of salt impurities. The performance fluctuation during long-term storage is extremely small.
• 
  
• Wide operating conditions and high adaptability: The effective pH range is 5-12, and it can work stably in weakly acidic, neutral, and weakly alkaline environments; it can withstand water temperatures of 5-50°C, is not affected by conventional operating condition fluctuations, and is suitable for various refined industrial production scenarios.
• 
  
• Effective in small doses with controllable costs: The dosage can be precisely controlled. Small doses can achieve the effects of dispersion, resistance reduction, bonding, and light flocculation. There is no problem of system viscosity caused by excessive dosage. The agent utilization rate is high, with little loss, and the comprehensive use cost is much lower than that of high molecular weight products.
• 
  
• Safe, environmentally friendly, compliant and up to standard: in solid form, it is non-toxic, non-corrosive, free from flammable and explosive risks, does not contain heavy metals or harmful volatile substances, with residual acrylamide monomer ≤ 0.05%. There is no secondary pollution after use, and it meets the relevant standards for environmental protection and safe production.

• 2.2 Differences in performance and comparison of advantages and disadvantages with other types of PAM

  To clearly distinguish product positioning and facilitate accurate selection, we now conduct a comprehensive comparison of the performance, advantages and disadvantages, and applicable scenarios between low-molecular-weight solid anionic APAM, high-molecular-weight anionic APAM, cationic PAM, and non-ionic PAM, so as to completely avoid selection errors.

  
  

  Comparison Items	Low molecular weight solid anionic APAM	High molecular weight anionic APAM	Cationic PAM	Non-ionic PAM
  Molecular weight range	3 million - 8 million	15 million - 25 million	8 million - 12 million	5 million - 10 million
  Charge property	Weak to moderate negative charge	Medium - High strength negative charge	Positive charge	No charge/extremely weak charge
  Viscosity of aqueous solution	Extremely low, good fluidity	Extremely high, viscous gel-like	Medium viscosity	Low to medium viscosity
  Dissolution rate	Extremely fast, 30-60min	Slow, 60-120min	Slower, 60-90min	Medium, 40-70min
  Core Functions	Dispersion, resistance reduction, adhesion, mild flocculation	Strong flocculation, high thickening, solid-liquid separation	Sludge dewatering, flocculation of organic wastewater	Weak flocculation, dispersion, purification
  Advantages and Highlights	Low viscosity without blockage, fast dissolution, hard water resistance, precise dosing, suitable for refined low viscosity scenarios	Strong flocculation ability, thorough solid-liquid separation, suitable for high-turbidity wastewater and tailings treatment	Adsorbs negatively charged organic matter, has excellent sludge dewatering effect, and is suitable for municipal/organic sludge	Acid-resistant, with good stability, suitable for acidic weak turbidity systems
  Own Disadvantages	Weak flocculation capacity, not suitable for high turbidity and high suspended solid systems	Slow dissolution, high viscosity, easy to block equipment, not suitable for scenarios requiring low viscosity	High cost, poor acid and alkali resistance, not suitable for high-salt and strong alkaline systems	Weak flocculation, narrow applicable scenarios, only suitable for special acidic working conditions
  Applicable pH range	5-12 (broad)	6-14 (slightly alkaline)	4-8 (slightly acidic)	3-9 (slightly acidic)
  Applicable Scenarios	Textile sizing, fluid drag reduction, papermaking dispersion, building materials additives, daily chemical formulation	Industrial wastewater, mine tailings, oilfield oil displacement, high-turbidity water treatment	Municipal sludge, food/pharmaceutical organic wastewater, sludge dewatering	Acidic wastewater treatment, metal ore beneficiation, purification of weak turbidity systems

  Ⅲ. Detailed Explanation of Product Subdivision Uses

  3.1 Textile Dyeing and Printing Industry (Core Preferred Scenario)

  This product is an exclusive high-efficiency sizing agent and yarn finishing agent for the textile industry. With the advantages of low viscosity, high adhesiveness, and no residue, it is perfectly suitable for sizing yarns of cotton, linen, chemical fibers, and blended fabrics. It can form a uniform, thin, and tough protective film on the surface of the yarn, significantly improving the smoothness, toughness, and fracture resistance of the yarn, reducing breakages, hairiness, and pilling during weaving, and increasing weaving efficiency and fabric yield. At the same time, it can be used as a dyeing leveling agent and dispersant, enhancing the uniformity of dye dispersion, avoiding problems such as color spots, color flowers, and color differences, improving the fastness of dyeing adhesion, and endowing fabrics with softness, antistatic, and wrinkle-resistant properties. Moreover, its low viscosity characteristic will not cause the fabric to feel stiff or harden, which is different from the heavy feeling after sizing with high molecular weight PAM, making it suitable for the production of high-end fabrics and thin fabrics.

  
  

  

  3.2 Industrial Fluid Drag Reduction Field (Energy Saving and Efficiency Improvement Scenarios)

  As an efficient and environmentally friendly fluid drag-reducing and friction-reducing agent, it is widely used in scenarios such as industrial circulating water, long-distance water transportation, oilfield clear water drilling, municipal water supply and drainage, and fire water supply. Adding a small dose can significantly reduce the frictional resistance between fluid molecules, reduce the energy consumption of fluid transportation by more than 30%, improve transportation efficiency, reduce pipeline pressure, and ensure the stable operation of the transportation system. Compared with high molecular weight PAM, this product has low viscosity and no residue, will not adhere to and scale on the inner wall of the pipeline or block the pipeline, does not affect the smoothness of the pipeline during long-term use, and has stable and long-lasting drag reduction effect. It is an ideal additive for long-distance and large-flow fluid transportation.

  
  

  

  3.3 Papermaking Industry (Fine Production Scenarios)

  Used as a special dispersant, retention aid, and paper smoothing agent in the papermaking industry, it is suitable for the production of high-end paper products such as cultural paper, toilet paper, thin paper, and specialty paper: it can efficiently disperse pulp fibers and fillers, prevent fiber agglomeration, flocculation, and clumping, improve paper uniformity and fineness, making the paper evenly thick and smooth on the surface; at the same time, it helps to increase the retention rate of fine fibers and fillers, reduce raw material loss, and lower production costs. Moreover, its low viscosity characteristic does not affect the pulp dewatering rate, ensuring the high-speed and stable operation of the papermaking machine, and avoiding problems such as slow pulp dewatering and paper wrinkling caused by high molecular weight PAM.

  
  

  

  3.4 Construction and Building Materials Industry (Modification and Efficiency Enhancement Scenario)

  Used as a cement additive, special mortar water-retaining agent, water-based coating dispersant, and ceramic slurry dispersant: When added to cement, concrete, and plastering mortar, it can improve the workability and water retention of the slurry, reduce bleeding, segregation, and cracking, delay the setting time, and enhance the forming strength and compactness of building materials; as a dispersant for water-based coatings and ceramic slurries, it can uniformly disperse pigments, fillers, and powders, avoid sedimentation and agglomeration, improve the fineness, fluidity, and brushing/forming performance of the slurry, and its low viscosity does not affect the construction leveling property, which is better than the high viscosity feeling of high molecular weight PAM.

  
  

  

  3.5 Other Refined Application Scenarios

  • Mining and mineral processing: Used as a slurry dispersant to prevent slime from agglomerating and caking, improve slurry fluidity, and assist in mineral flotation. For low-turbidity mineral processing wastewater, it can achieve mild flocculation and clarification, simplify the treatment process, and does not affect subsequent mineral processing operations.
  • 
    

  

  • 
    
  • Incense making and feed processing: Used as a binder for incense blanks and feed pellets, it improves the formability, hardness and water resistance of the blanks/pellets. It has low viscosity and is easy to stir. The surface of the incense blanks is smooth without cracks and not easy to break. The feed pellets do not scatter. Moreover, it is non-toxic and harmless, and does not affect product quality.
  • 
    

  

  • 
    
  • Daily chemical industry: Used as a thickening stabilizer and dispersant in daily chemical products such as detergent, laundry detergent, and hand sanitizer. It has low viscosity and is easy to prepare, improves the uniformity and stability of products, avoids stratification and precipitation, and optimizes the user experience.
  • 
    

  

  • 
    
  • Electroplating and industrial cleaning: Used as a dispersant in electroplating solutions and a cleaning aid, it improves the uniformity of the electroplating layer, assists the cleaning solution in dispersing stains, leaves no residues or precipitates, and ensures the effectiveness of electroplating and cleaning.

  
  

  

  Ⅳ. Product Specification Parameters (Low Molecular Weight Solid Version)

  This product is divided into three major conventional specifications based on molecular weight and degree of hydrolysis. Exclusive parameters can be customized according to customers' special needs. The core parameters of various specifications accurately match the corresponding scenarios. The specific parameters are as follows:

  
  

  Parameter Items	Low Molecular Weight Standard Type	Low molecular weight and low hydrolysis type	Low molecular weight and high hydrolysis type
  Molecular weight (10,000)	500-800	300-500	600-800
  Degree of hydrolysis (%)	15-25	10-15	25-30
  Appearance and Form	White fine particles/powder	White fine particles/powder	White fine particles/powder
  Solid content (%)	≥88	≥88	≥88
  Dissolution time (min, normal temperature)	40-60	30-40	45-60
  Aqueous solution viscosity (mPa·s, 0.2% concentration)	≤50	≤30	≤50
  Applicable pH range	5-12	5-10	7-12
  Insoluble matter content (%)	≤0.1	≤0.1	≤0.1
  Particle Size Standard	1.0mm sieve residue ≤5%	0.2mm sieve residue ≤8%	1.0mm sieve residue ≤5%
  Mainly focusing on applicable scenarios	Textile sizing, papermaking dispersion	Fluid drag reduction, daily chemical dispersion	Construction additives, mild flocculation

  Ⅴ. Product Quality Standards

  This product strictly complies with the national industry standard "Water Treatment Agent - Anionic Polyacrylamide" (GB/T 17514-2017) and also follows the enterprise's high-end internal quality control standards. All indicators are strictly controlled to ensure stable product performance, qualified quality, and to eliminate problems such as adulteration and poor quality. The specific quality standards are as follows:

  5.1 Core Quality Control Indicators

  • Solid content: premium grade ≥90%, qualified grade ≥88%. Strictly control moisture content to prevent the product from absorbing moisture and caking, and from molecular weight attenuation, ensuring sufficient active ingredients and avoiding invalid feeding.
  • 
    
  • Residual acrylamide monomer: ≤0.05%, which meets the national environmental protection and safe use requirements, with no toxic residues, avoiding harm to the human body and secondary pollution of water bodies, and is suitable for compliant scenarios such as food-related and textile printing and dyeing.
  • 
    
  • Molecular weight deviation: within ±5%, ensuring low molecular weight stability, eliminating the increase in viscosity and slow dissolution caused by excessive molecular weight, and guaranteeing the core performance of the product such as low viscosity and fast dissolution.
  • 
    
  • Degree of hydrolysis deviation: within ±2%, precisely controlling the negative charge density, ensuring that the performance of dispersion, resistance reduction, bonding, and light flocculation meets the standards, and adapting to the usage requirements of corresponding scenarios.
  • 
    
  • Water-insoluble substances: ≤0.1%, ensuring complete dissolution of the product, no residual impurities, no clogging of dosing equipment, pipelines, filters, and nozzles, and suitable for high-precision and refined operations.
  • 
    
  • Viscosity stability: For a 0.2% concentration aqueous solution left standing at room temperature for 24 hours, the viscosity reduction rate is ≤6%, ensuring stable performance after drug preparation, with no problems of rapid degradation or failure.
  • 
    
  • Appearance and purity: Pure white uniform fine particles/powder, no visible impurities to the naked eye, no agglomeration, no yellowing or mildew, no peculiar smell, the product purity meets the standard, and no inferior fillers are mixed.

  • 5.2 Factory Quality Control Requirements

    1. All items of indicators for each batch of products must be tested before leaving the factory, covering core items such as molecular weight, solid content, degree of hydrolysis, insoluble substances, residual monomers, and viscosity. Formal quality inspection reports and product qualification certificates are attached, and unqualified products are strictly prohibited from leaving the factory; 2. Adulteration and counterfeiting are prohibited throughout the production process to ensure the quality of pure powder, with no addition of inferior fillers such as talcum powder, so as to safeguard the rights and interests of customers in use; 3. The packaging tightness meets the standards, effectively blocking moisture and impurities, and preventing moisture, damage, and caking during storage and transportation; 4. The shelf life of unopened products is 24 months, and the performance attenuation rate within the shelf life is ≤4%, which does not affect the normal use effect.

    Ⅵ. Precautions for Storage, Transportation, and Operation and Use

    6.1 Storage Specifications

    This product should be stored in a dedicated indoor warehouse that is cool, dry, and well-ventilated, with the ambient temperature controlled between 5-30℃. It should be kept away from fire sources, heat sources, strong oxidizing substances, and strong acids and alkalis. Direct sunlight, rain, and moisture should be avoided. The warehouse floor must be treated to prevent moisture and seepage. The products should be stacked at a height of more than 15cm, and direct contact with the ground is strictly prohibited. The stacking height should not exceed 20 bags to prevent the packaging bags from being damaged due to pressure and the products from caking. After opening, it must be sealed and compacted immediately. It is recommended to use it up within 1 month to avoid moisture absorption, degradation, and loss of effectiveness due to long-term exposure.

    
    

    

    6.2 Transportation Specifications

    Throughout the transportation process, measures to prevent rain, moisture, and sun exposure must be taken. Closed transport vehicles are preferred, and mixed transportation in the open air is strictly prohibited. Transportation with flammable, explosive, toxic, harmful, strong acid, or strong alkali substances in the same vehicle is not allowed to avoid cross-contamination and product deterioration. During handling, goods must be loaded and unloaded gently; throwing, dragging, and violent collisions are prohibited to prevent damage to packaging bags and leakage of materials. The transportation process should be kept stable to avoid particle breakage and packaging cracking caused by jolting, ensuring the products are delivered intact.

    6.3 Operating and Usage Instructions

    • For water used in preparing the solution, clean tap water or clear water is preferred. Avoid using wastewater with high hardness and high impurity content. Although this product is resistant to hard water and not easily cross-linked, poor-quality water can still slightly affect the usage effect. When adding the product, it should be sprinkled slowly and evenly into the stirring water body. Do not add the entire amount at once to prevent local agglomeration and prolonged dissolution time.
    • 
      
    • The dissolving equipment can be made of plastic, fiberglass reinforced plastic, stainless steel, or carbon steel, with no special material restrictions. The stirring speed should be controlled at 100-300 r/min, and stirring can be stopped once complete dissolution is achieved. There is no need for long-term high-speed stirring, which saves energy consumption and avoids molecular chain breakage.
    • 
      
    • Operators are advised to wear rubber gloves and dust masks to avoid inhaling the powder into the respiratory tract or having it come into contact with the skin and mucous membranes. If contact occurs accidentally, simply rinse with plenty of running water. The product is non-corrosive and non-toxic, posing no harmful risks.
    • 
      
    • The aqueous solution of this product has low viscosity and good stability. It can be prepared and used immediately. When stored at room temperature for 24-48 hours, its performance does not significantly deteriorate. Short-term storage does not affect its use, eliminating the need for frequent preparation of the solution and improving operational convenience.
    • 
      
    • The dosage needs to be adjusted on-site according to the actual scenario and the characteristics of water quality/slurry, following the principle of "trial addition with small doses and gradual increase". Excessive addition has no negative safety impact, but will only slightly increase the cost. It is recommended to precisely control the dosage to achieve the optimal cost performance.
    • 
      
    • It is strictly prohibited to mix and dissolve with cationic PAM or add them simultaneously. The two have opposite charges and are prone to react and flocculate, leading to product failure and equipment blockage. They must be stored and added separately.

    • Ⅶ. Product Packaging Instructions

      This product adopts a double-layer moisture-proof sealed packaging. The outer layer is a thickened and wear-resistant polypropylene woven bag, and the inner layer is a high-pressure polyethylene moisture-proof inner film, with a net weight of 25kg per bag. The packaging is sturdy and durable with excellent sealing performance, effectively blocking moisture, impurities, and dust, and is suitable for long-distance transportation and long-term storage. The surface of the packaging bag clearly prints key information such as product name, model, molecular weight specification, degree of hydrolysis, net weight, manufacturer, production date, shelf life, execution standard, storage and transportation warnings, and anti-counterfeiting marks, with clear and traceable identification. Small packages of 1kg, 5kg, and 10kg, or large 1-ton container bags can be customized according to customer needs to meet different storage and feeding requirements, and prevent problems such as material leakage, moisture, and caking.

      
      

      

      Ⅷ. Dissolution and Dosing Methods

      1. Preparation concentration: For regular scenarios, prepare a 0.1%-0.5% concentration aqueous solution; for special refined scenarios (such as textile sizing, daily chemical preparation), it can be diluted to 0.05%-0.1%, and flexibly prepared as needed.
      2. 
         
      3. Dissolution operation: Add a sufficient amount of clean water to the dissolution tank, turn on the stirring equipment, slowly and evenly sprinkle this product into the water, and continue stirring until it is completely dissolved, with no particles or agglomerations remaining. There is no need for heating or long-term stirring.
      4. 
         
      5. Dosing method: Precisely add to the operation system through metering pumps, droppers, sprayers, gravity flow, etc. After stirring evenly, it will take effect quickly, and there is no need for long-term static reaction.
      6. 
         
      7. Combination recommendations: For scenarios requiring only dispersion, drag reduction, sizing, and bonding, this product can be used alone; if mild flocculation and purification are needed, it can be combined with a small amount of inorganic flocculants such as polyaluminum chloride to enhance the purification effect. It must not be combined with cationic PAM.

      8. Ⅸ、Safety and Environmental Protection Instructions

         This product is not a dangerous chemical; it is non-toxic, non-corrosive, and has no risk of being flammable or explosive. Normal storage, transportation, and use of the product will not cause harm to humans, animals, plants, or the environment. Avoid large amounts of direct discharge of the product into natural water bodies. In case of a small amount of leakage, clean up and recover it in a timely manner, and do not discard it randomly. The product packaging waste can be recycled and disposed of in a classified manner, which is green and environmentally friendly. In case of a large amount of spillage, collect it with dry tools and store it in a sealed container to avoid dust diffusion. The cleaning site can be rinsed with clean water, leaving no residual pollution.

         Ⅹ、After-sales Service and Selection Notes

         This product is an exclusive low-molecular-weight anionic product, with significantly different performance positioning from high-molecular-weight anionic APAM, cationic PAM, and non-ionic PAM. Blind mixing and substitution are strictly prohibited. Before use, it is recommended to conduct small-scale tests in combination with your own working conditions (system pH, viscosity requirements, core uses) to determine the optimal model, dosage concentration, and usage method, so as to ensure the best use effect. Our company can provide after-sales services such as free product selection, on-site dosage debugging, technical consultation, and sample testing. Each batch of products can provide complete quality inspection reports, MSDS, and other materials to help customers accurately select models, use them efficiently, and reduce trial-and-error costs.