Polyacrylate Dispersant SR PR642 Original Iranian
SR® PR642 is the sodium salt of a carboxylated polyacrylate, supplied in solution form. This high-performance dispersing agent is specifically engineered for aqueous coating systems, clay slurries, and pigmented paper and paperboard coatings. With a solids content of 42 ± 2%, viscosity of 750 ± 250 mPa·s (Brookfield LVT, Spindle 2, 60 rpm), pH of 10 ± 1, and density of approximately 1.2 g/cm³, it delivers low-foaming dispersing activity with excellent performance for a wide range of inorganic pigments and clays. It is especially useful for systems involving titanium dioxide and extenders, and demonstrates superior performance with reactive pigments such as zinc oxide or basic lead silicate.
The Supply Chain Department at Sahi Rasa Company supplies SR® PR642 polyacrylate dispersant for export to Afghanistan, Iraq, the Kurdistan Region, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, Syria, Oman, Kuwait, Jordan, and Russia. Whether for aqueous coating systems, clay slurry production, or pigmented paper coatings, the department ensures reliable supply, competitive pricing, and comprehensive logistics support. The product is available in drums and IBC totes with custom packaging options.
1. Introduction to the Supply Chain Department at Sahi Rasa Company
The Supply Chain Department at Sahi Rasa Company has developed a specialized expertise in the export of polymer dispersions and auxiliary chemicals, and SR® PR642 represents a critical dispersing agent in its portfolio for the paint, paper, and coating industries. The department understands that modern waterborne coating formulations demand dispersants that provide more than simple particle wetting; they require precise control over viscosity, stability, and compatibility with reactive pigments. SR® PR642, with its carefully engineered sodium polyacrylate chemistry, addresses these demands with a level of performance that meets the rigorous specifications of premium aqueous coatings.
The department sources SR® PR642 through qualified chemical manufacturers who operate under strict quality management systems. The product is manufactured through controlled polymerization of acrylic acid followed by neutralization with sodium hydroxide to form the sodium salt of a carboxylated polyacrylate. Each batch is tested against specification limits for solids content, viscosity, pH, and density before release. The department maintains rigorous incoming quality control and provides Certificates of Analysis with every shipment. The product is tested according to ISO 3251 for solids content, ISO 2555 for viscosity, and ISO 976 for pH value, ensuring full compliance with international standards.
For clients in Afghanistan, the Kurdistan Region, Iraq, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, Syria, Oman, Kuwait, Jordan, and Russia, the Supply Chain Department at Sahi Rasa Company offers a reliable and flexible supply of SR® PR642 polyacrylate dispersant. The department's multilingual staff can communicate in English, Arabic, Turkish, Persian, and Russian, facilitating smooth transactions across the Middle East and Central Asia. The department also has experience navigating the regulatory requirements of each destination country, ensuring that shipments clear customs without unnecessary delays.
Disclaimer: Please note that the analyses and specifications provided in this document are indicative and may vary depending on the specific product available at the time of order. For exact analysis and specifications tailored to your requirements, please contact us directly.
2. Product Overview
SR® PR642 is the sodium salt of a carboxylated polyacrylate, supplied in solution form. It is a low-foaming dispersant with excellent dispersing activity for a variety of inorganic pigments and clays in aqueous systems. The product is delivered as a clear to slightly hazy liquid with a solids content of 42 ± 2% and a viscosity of 750 ± 250 mPa·s.
Polyacrylate dispersants such as SR® PR642 have become essential components in modern waterborne coating technology. Unlike traditional dispersants such as polyphosphates, polyacrylate dispersants offer superior stability, especially in the presence of reactive pigments and at elevated temperatures. SR® PR642, with its optimized molecular weight and carboxylate content, delivers excellent dispersing activity for titanium dioxide, calcium carbonate, clay, and other inorganic pigments.
The primary applications of SR® PR642 include:
Aqueous Coating Systems: Used as a dispersing agent in waterborne paints, primers, and coatings.
Clay Slurries: Used in the preparation of clay slurries for paper coating, ceramics, and drilling fluids.
Pigmented Paper and Paperboard Coatings: Used as a dispersant in paper coating colors to ensure uniform pigment distribution and coating properties.
Paint Formulations: Used as a dispersing agent in various waterborne paint formulations.
The global dispersant market is projected to maintain steady growth, driven by increasing demand for waterborne coatings, growth in paper and packaging production, and demand for high-performance dispersants in emerging markets. The Supply Chain Department at Sahi Rasa Company is positioned to serve this growing demand by offering reliable access to high-quality SR® PR642 at competitive prices.
3. Physical Specifications Table
| Parameter | Specification |
|---|---|
| Product Name | SR® PR642 Polyacrylate Dispersant |
| Appearance | Clear to slightly hazy liquid |
| Solids Content (ISO 3251: 1h; 105°C) | 42 ± 2% |
| Viscosity (ISO 2555; Spindle No. 2; 60 rpm; 23°C) | 750 ± 250 mPa·s (cP) |
| pH Value (ISO 976) | 10 ± 1 |
| Density (ISO 2811) | Approx. 1.2 g/cm³ |
| Solubility | Soluble in water, glycerin, ethylene glycol |
| Packaging | 200 L drums, 1000 L IBC totes |
4. Chemical Specifications Table
| Component | Specification |
|---|---|
| Base Chemistry | Sodium Salt of Carboxylated Polyacrylate |
| Polymer Type | Anionic dispersant solution |
| Solids Content | 42 ± 2% |
| pH Value | 10 ± 1 |
| Density | Approx. 1.2 g/cm³ |
| Active Substance | Carboxylated Polyacrylate Sodium Salt |
| Volatile Content | Approx. 58% (water) |
| Standards Reference | ISO 3251, ISO 2555, ISO 976, ISO 2811 |
5. Industries & Factories Using This Product
SR® PR642 polyacrylate dispersant is utilized across a diverse range of industries. The following industries and their factories are the primary users of this product:
Paint and Coating Manufacturers: Waterborne paint producers, emulsion paint factories, and industrial coating manufacturers use SR® PR642 as a dispersing agent for titanium dioxide and extenders. The product's low-foaming characteristics and excellent dispersing activity are particularly valuable in high-performance coating formulations.
Paper and Paperboard Coating Plants: Paper coating companies, paperboard manufacturers, and pigment slurry producers use SR® PR642 in paper coating colors to ensure uniform pigment distribution. The product's performance in the presence of reactive pigments makes it ideal for specialty paper coatings.
Clay Slurry Producers: Clay processing companies, kaolin slurry producers, and ceramic raw material suppliers use SR® PR642 to prepare stable clay slurries with controlled viscosity.
Construction Chemical Factories: Construction chemical manufacturers use SR® PR642 in cementitious systems, grouts, and tile adhesives to disperse pigments and fillers.
Adhesive Manufacturers: Adhesive producers use SR® PR642 in waterborne adhesive formulations to disperse fillers and pigments.
Ceramic Tile Factories: Ceramic tile manufacturers use SR® PR642 in glaze preparation to disperse pigments and other inorganic solids.
Ink Manufacturers: Water-based ink producers use SR® PR642 as a dispersing agent for inorganic pigments in aqueous ink systems.
6. Key Properties & Advantages
SR® PR642 offers a distinctive combination of properties that make it a superior choice for dispersing applications:
Low Foaming: The product produces minimal foam during processing, reducing the need for defoamers and improving production efficiency.
Excellent Dispersing Activity: SR® PR642 provides excellent dispersing activity for a wide range of inorganic pigments and clays, ensuring uniform particle distribution and stable formulations.
Superior Performance with Reactive Pigments: The product demonstrates superior performance in formulations containing reactive pigments such as zinc oxide or basic lead silicate, imparting improved stability to such systems.
Wide pH Range: SR® PR642 is efficient over a wide pH range in numerous dispersion systems, with maximum effectiveness in acrylic emulsion systems at pH 9.0 to 10.0.
Specificity: The product is specific in that it does not disperse organic solids such as carbon black, organic pigments, or dyestuffs, making it ideal for selective dispersing applications.
Solubility: SR® PR642 is soluble in very polar solvents such as water, glycerin, and ethylene glycol.
Environmentally Friendly: As a waterborne dispersant, SR® PR642 enables the formulation of low-VOC coatings and paper coatings, helping manufacturers comply with increasingly strict environmental regulations.
7. Chemical Formula / Size & Packaging Specifications
SR® PR642 is a polymer solution, not a single chemical compound, and therefore does not have a simple molecular formula. Its polymer backbone is based on sodium polyacrylate. The general repeating unit of sodium polyacrylate is:
General Structure: [-CH₂-CH(COONa)-]ₙ
CAS Number: 9003-04-7 (sodium polyacrylate)
Packaging Options:
200 L standard steel or plastic drums
1000 L IBC (Intermediate Bulk Container) totes
Bulk tanker deliveries available on request
Custom packaging upon request
Storage Conditions: Store between 0°C and 35°C, protected from frost and direct sunlight. Shelf life: 6 months from date of production when stored in unopened containers.
8. Available Grades, Sizes, Qualities & Custom Colors
| Grade | Solids Content | pH | Application |
|---|---|---|---|
| SR® PR642 | 42 ± 2% | 10 ± 1 | Aqueous coatings, paper coatings, clay slurries |
| SR® 101 | 30 – 40% | 7 – 9 | General dispersing agent |
| SR® 103 | 30 – 40% | 6 – 8 | Acrylic thickener |
Quality Grades: Industrial Grade, Professional Grade, Premium Grade.
Custom Options: Custom solids content, custom pH adjustment, and custom molecular weights available upon request. Private labeling available for large-volume orders.
9. Sahi Rasa Supply Chain Department Services for International Factories
The Supply Chain Department at Sahi Rasa Company offers a comprehensive suite of services designed to support international factories in procuring SR® PR642 and other polymer dispersions. Each service is delivered with precision, professionalism, and a focus on client success.
Monthly & Weekly Supply Planning
The department collaborates with client factories to establish monthly and weekly supply schedules based on production forecasts, inventory levels, and lead times. Using advanced demand forecasting tools and historical consumption data, the department predicts demand for SR® PR642, reserves production capacity, and coordinates shipments to ensure that raw material arrives exactly when needed. For clients in Turkey, Iraq, Afghanistan, and Central Asia, the department also takes into account seasonal factors and production peaks to optimize delivery schedules.
Sourcing & Procurement
The department's procurement team has established long-term relationships with qualified chemical manufacturers who operate under strict quality management systems. This diversified sourcing strategy ensures that the department can secure high-quality SR® PR642 at competitive prices, even during periods of market volatility. The procurement team conducts rigorous supplier evaluations, including audits of production facilities, testing of product samples, and verification of certifications.
Sample Dispatch
Before committing to bulk orders, clients can request samples of SR® PR642 for laboratory testing and production trials. The department arranges for samples to be dispatched via courier or air freight, typically within 5 to 10 business days. Each sample is accompanied by a Certificate of Analysis (COA), Technical Data Sheet (TDS), Material Safety Data Sheet (MSDS), and other relevant documentation. Clients can use these samples to evaluate dispersing activity, compatibility with their pigments, and performance in their formulations.
Custom Manufacturing (OEM/ODM)
For clients with specific requirements, the department offers custom manufacturing services. This includes custom solids content, custom pH adjustment, custom molecular weights, and private-label packaging. The department coordinates with qualified manufacturers to produce SR® PR642 variants that meet the client's exact specifications.
Pre-Shipment Quality Control
Quality is paramount at the Supply Chain Department at Sahi Rasa Company. Before any shipment leaves the supplier, the department's quality control team conducts a thorough inspection. This includes verification of solids content, viscosity, pH, and density against the agreed specification. A detailed inspection report is prepared and shared with the client, along with retained samples for future reference.
Loading & Handling
Proper loading and handling are critical to maintaining the quality of SR® PR642 during transportation. The department supervises all loading operations to ensure that drums and IBC totes are properly secured and protected from damage.
Export Documentation
The Supply Chain Department at Sahi Rasa Company prepares and manages all export documentation required for SR® PR642 shipments, including Commercial Invoice, Packing List, Certificate of Origin, Certificate of Analysis, Material Safety Data Sheet, Technical Data Sheet, Bill of Lading, and Insurance Certificate (upon request).
International Transportation
The department arranges international transportation for SR® PR642 via sea, air, or land, depending on the destination and urgency. For bulk shipments, sea freight is the most cost-effective option, with FCL and LCL services available.
Export Customs Clearance
The department's customs brokers handle all export clearance formalities at Iranian ports and border crossings, ensuring compliance with Iranian export regulations and minimizing delays.
Import Customs Clearance
For clients who require assistance at the destination, the department can arrange import customs clearance through its network of trusted partners in Iraq, Turkey, Afghanistan, and Central Asian countries.
On-Site Technical Team Deployment
For large-scale or technically complex applications, the Supply Chain Department at Sahi Rasa Company can deploy a technical team to the client's factory to assist with the integration of SR® PR642 into the client's formulation and to provide on-the-job training.
Training & Knowledge Transfer
The department offers training and knowledge transfer programs for client personnel, covering proper storage and handling of SR® PR642, formulation guidelines, dispersing techniques, and troubleshooting common issues.
10. Why Choose the Supply Chain Department at Sahi Rasa Company?
Choosing the Supply Chain Department at Sahi Rasa Company as your supplier of SR® PR642 polyacrylate dispersant offers numerous advantages, including reliable Iranian supply, quality assurance, flexible logistics, comprehensive services, competitive pricing, regional expertise in Afghanistan, Iraq, Kurdistan, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, Syria, Oman, Kuwait, Jordan, and Russia, and a customer-centric approach.
11. Ordering & Contact Information
International customers can place orders through the Request for Quotation (RFQ) form located at the bottom of this page. The expert team at the Supply Chain Department at Sahi Rasa Company will respond to all inquiries as soon as possible, providing complete information on pricing, delivery schedules, shipping terms, and export documentation.
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