Cement Modifier Styrene Acrylic SR PR620 Supplied from Iran
SR® PR620 is a non-plasticized aqueous dispersion based on acrylic acid ester and styrene, stabilized with surfactants. It is a high-solids, flexible resin with cement compatibility designed to modify hydraulic binders. With a solids content of 56 ± 1%, viscosity of 200 ± 50 mPa·s (Brookfield LVT, Spindle 4, 60 rpm), pH of 8 ± 0.5, particle size of approximately 0.2 μm, MFFT of 0°C, density of approximately 1.03 g/cm³, and Tg of approximately -6°C, it demonstrates water-tightness, impermeability, good adhesion to old surfaces, and improved freeze-thaw resistance of cement mixtures.
The Supply Chain Department at Sahi Rasa Company supplies SR® PR620 for export to Afghanistan, Iraq, the Kurdistan Region, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, Syria, Oman, Kuwait, Jordan, and Russia.
1. Introduction to the Supply Chain Department at Sahi Rasa Company
The Supply Chain Department at Sahi Rasa Company has developed specialized expertise in polymer dispersion exports, and SR® PR620 represents a high-solids flexible cement modifier in its portfolio for the construction chemicals industry. The department understands that modern cementitious waterproofing slurries and flexible tile adhesives demand polymers with excellent cement compatibility, water-tightness, flexibility, and freeze-thaw resistance. SR® PR620, with its styrene/acrylic backbone and high solids content of 56%, addresses these demands with performance that meets the rigorous specifications of premium construction chemicals.
The department sources SR® PR620 through qualified polymer manufacturers. Every batch is tested per ISO standards with Certificates of Analysis.
For clients in Afghanistan, Kurdistan, Iraq, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, Syria, Oman, Kuwait, Jordan, and Russia, the department offers reliable and flexible supply.
Disclaimer: Specifications are indicative and may vary. For exact analysis, please contact us directly.
2. Product Overview
SR® PR620 is a non-plasticized aqueous dispersion based on acrylic acid ester and styrene. It is a high-solids, flexible resin with cement compatibility designed to modify hydraulic binders. It demonstrates water-tightness, impermeability, good adhesion to old surfaces, and improved freeze-thaw resistance.
Primary applications: Flexible cementitious waterproofing slurries, hydraulic binder additives, flexible coatings, adhesives, crack-bridging systems, elastomeric wall coatings, roof coverings, high-flexibility tile adhesives.
3. Physical Specifications Table
| Parameter | Specification |
|---|---|
| Product Name | SR® PR620 Acrylic/Styrene Dispersion |
| Appearance | White liquid |
| Solids Content (ISO 3251) | 56 ± 1% |
| Viscosity (ISO 2555, Spindle 4, 60 rpm) | 200 ± 50 mPa·s |
| pH Value (ISO 976) | 8 ± 0.5 |
| Particle Size | Approx. 0.2 μm |
| MFFT (ISO 2115) | 0°C |
| Density (ISO 2811) | Approx. 1.03 g/cm³ |
| Tg (Calculated) | Approx. -6°C |
| Hardness | 8 s |
| Film Appearance | Clear, transparent, tacky |
| Packaging | 200 L drums, 1000 L IBC totes |
4. Chemical Specifications Table
| Component | Specification |
|---|---|
| Base Chemistry | Acrylic Acid Ester/Styrene Copolymer |
| Stabilization | Surfactants |
| Solids Content | 56 ± 1% |
| pH Value | 8 ± 0.5 |
| MFFT | 0°C |
| Tg (Calculated) | Approx. -6°C |
| Density | Approx. 1.03 g/cm³ |
| Standards | ISO 3251, 2555, 976, 2115, 2811, 1522, 3270 |
5. Industries & Factories Using This Product
Construction chemical manufacturers, waterproofing companies, tile adhesive producers, cement modifier factories, roof coating manufacturers, crack-bridging system producers, elastomeric wall coating producers.
6. Key Properties & Advantages
High solids content (56%), excellent cement compatibility, water-tightness and impermeability, good adhesion to old surfaces, improved freeze-thaw resistance of cement mixtures, high flexibility (Tg of -6°C, hardness of 8 s), low MFFT (0°C) for cold-weather application, wide range of uses for flexible waterproofing, sealing, protective coatings, and high-flexibility tile adhesives.
7. Chemical Formula / Size & Packaging Specifications
General Structure: Acrylic acid ester/styrene copolymer [-CH₂-CH(C₆H₅)-]ₙ-co-[-CH₂-CH(COOR)-]ₘ
CAS Number: 9003-53-6 / 9003-01-4
Packaging: 200 L drums, 1000 L IBC totes, bulk tankers on request
Storage: 5–25°C, protected from frost; shelf life 6 months
8. Available Grades, Sizes, Qualities & Custom Colors
| Grade | Solids | MFFT | Application |
|---|---|---|---|
| SR® PR620 | 56% | 0°C | Cement modifier, waterproofing |
| SR® 765 | 50% | 0°C | Flexible roof coatings |
| SR 708 | 50% | 21°C | Flexible coatings |
| SR® 735 | 50% | 15°C | Building adhesives |
Quality grades: Industrial, Professional, Premium. Custom options: solids, viscosity, pH, private labeling.
9. Sahi Rasa Supply Chain Department Services for International Factories
Monthly & Weekly Supply Planning, Sourcing & Procurement, Sample Dispatch, Custom Manufacturing (OEM/ODM), Pre-Shipment Quality Control, Loading & Handling, Export Documentation, International Transportation (FCL/LCL), Export Customs Clearance, Import Customs Clearance, On-Site Technical Team Deployment, and Training & Knowledge Transfer.
10. Why Choose the Supply Chain Department at Sahi Rasa Company?
Reliable Iranian supply, rigorous quality assurance, flexible logistics, comprehensive support services, competitive pricing, regional expertise across Afghanistan, Iraq, Kurdistan, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, Syria, Oman, Kuwait, Jordan, and Russia, and customer-centric approach.
11. Ordering & Contact Information
International customers can place orders through the Request for Quotation (RFQ) form at the bottom of this page. The team at the Supply Chain Department at Sahi Rasa Company responds to all inquiries as soon as possible.
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