Flexible Waterproof Coating Styrene SR 708 Acrylic Original Iranian
SR 708 is an emulsion copolymer of styrene and 2-ethylhexyl acrylate, stabilized with surfactants. This high-performance binder is designed for silicate paints, building mortars/plasters, flexible and waterproof coatings, primers/sizing, interior and exterior building paints, elastic roof waterproofing, textured coatings, and silicone paints. With a solids content of 50 ± 1%, viscosity of 4000 ± 1000 mPa·s (Brookfield LVT, Spindle 4, 60 rpm), pH of 8 ± 1, MFFT of 21°C, and density of 1.008 g/cm³, it delivers transparent, glossy, flexible, tack-free films with a Koenig hardness of 55 s and a calculated Tg of 17°C.
The Supply Chain Department at Sahi Rasa Company supplies SR 708 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 708 represents a high-performance styrene/acrylic flexible coating binder in its portfolio for the construction and waterproofing industries. The department understands that modern waterproofing and elastic roof coatings demand binders with very high resistance to water absorption, excellent toughness, and tensile strength. SR 708, with its styrene/2-EHA copolymer backbone, addresses these demands with performance that meets the rigorous specifications of elastic roof waterproofing and flexible building coatings.
The department sources SR 708 through qualified polymer manufacturers operating under strict quality management systems. Every batch is tested per ISO standards and accompanied by a Certificate 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 708 is an emulsion copolymer of styrene and 2-ethylhexyl acrylate. It is an anionic dispersion of medium viscosity with very fine particles, high pigment/filler-loading capacity, and very high resistance to water absorption.
Primary applications: Silicate paints, building mortars/plasters, flexible and waterproof coatings, primers/sizing, interior and exterior building paints, elastic roof waterproofing, textured coatings, silicone paints.
3. Physical Specifications Table
| Parameter | Specification |
|---|---|
| Product Name | SR 708 Styrene/2-EHA Copolymer Dispersion |
| Appearance | White liquid |
| Solids Content (ISO 3251) | 50 ± 1% |
| Viscosity (ISO 2555, Spindle 4, 60 rpm) | 4000 ± 1000 mPa·s |
| pH Value (ISO 976) | 8 ± 1 |
| MFFT (ISO 2115) | 21°C |
| Density (ISO 2811) | 1.008 g/cm³ |
| Tg (Calculated) | 17°C |
| Hardness (Koenig) | 55 s |
| Film Appearance | Transparent, glossy, flexible, no surface tack |
| Packaging | 200 L drums, 1000 L IBC totes |
4. Chemical Specifications Table
| Component | Specification |
|---|---|
| Base Chemistry | Styrene/2-Ethylhexyl Acrylate Copolymer |
| Stabilization | Surfactants |
| Solids Content | 50 ± 1% |
| pH Value | 8 ± 1 |
| MFFT | 21°C |
| Density | 1.008 g/cm³ |
| Standards | ISO 3251, 2555, 976, 2115, 2811, 1522, 3270 |
5. Industries & Factories Using This Product
Waterproofing manufacturers (elastic roof coatings, basement waterproofing), construction chemical companies (mortars, plasters, primers), silicate paint producers, silicone resin emulsion paint producers, textured coating manufacturers, concrete protection coating producers, EIFS system manufacturers.
6. Key Properties & Advantages
Very high water resistance, excellent toughness and tensile strength, high pigment/filler-loading capacity, fine particle size, high gloss levels, alkali resistance, compatibility with TiO₂ and common fillers (except zinc oxide and calcium sulfate which may increase viscosity), excellent for flexible exterior coatings.
7. Chemical Formula / Size & Packaging Specifications
General Structure: Styrene/2-EHA copolymer: [-CH₂-CH(C₆H₅)-]ₙ-co-[-CH₂-CH(COO-C₈H₁₇)-]ₘ
CAS Number: 9003-53-6 (polystyrene) / 9003-01-4 (acrylic)
Packaging: 200 L drums, 1000 L IBC totes, bulk tankers on request
Storage: 5–35°C, protected from frost and sunlight; shelf life 6 months
8. Available Grades, Sizes, Qualities & Custom Colors
| Grade | Solids | MFFT | Application |
|---|---|---|---|
| SR 708 | 50% | 21°C | Flexible waterproofing |
| SR® 765 | 50% | 0°C | Flexible roof coatings |
| SR® PR620 | 56% | 0°C | Cement modifier |
| 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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