Multi-Purpose Vinyl Acetate Resin SR 320 Iranian Supplier
SR® 320 is an aqueous dispersion based on vinyl acetate, plasticized with dibutyl phthalate and stabilized with polyvinyl alcohol. This multi-purpose adhesive and coating binder is suitable for woven carpet back coating, paper and packaging adhesives, wood adhesives, and book binding adhesives. With a solids content of 50 ± 1%, viscosity of 75000 ± 15000 mPa·s (Brookfield RVT, Spindle 7, 20 rpm), pH of 4.0 ± 1.0, and a minimum film forming temperature of approximately 2°C, it delivers tack-free, clear, and flexible films with a Koenig hardness of 71 s.
The Supply Chain Department at Sahi Rasa Company supplies SR® 320 vinyl acetate resin for export to Afghanistan, Iraq, the Kurdistan Region, Tajikistan, Uzbekistan, Armenia, Georgia, Turkey, Syria, Oman, Kuwait, Jordan, and Russia. Whether for woven carpet back coating, paper and packaging adhesives, or book binding, 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 resin products, and SR® 320 represents a versatile vinyl acetate adhesive binder in its portfolio for the carpet, paper, packaging, and bookbinding industries. The department understands that modern adhesive applications demand binders that offer more than simple bonding; they require precise control over viscosity, adhesion development, flexibility, and compatibility with a wide range of substrates. SR® 320, with its carefully engineered vinyl acetate backbone, dibutyl phthalate plasticization, and polyvinyl alcohol stabilization, addresses these demands with a level of performance that meets the rigorous specifications of multiple industries.
The department sources SR® 320 through qualified polymer manufacturers who operate under strict quality management systems. The product is manufactured through emulsion polymerization of vinyl acetate, followed by plasticization with dibutyl phthalate and precise adjustment of solids content, viscosity, and pH. Each batch is tested against specification limits before release. The department maintains rigorous incoming quality control and provides Certificates of Analysis with every shipment.
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® 320 vinyl acetate resin.
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® 320 is an aqueous dispersion based on vinyl acetate, plasticized with dibutyl phthalate and stabilized with polyvinyl alcohol. It is a multi-purpose adhesive and coating binder suitable for woven carpet back coating, paper and packaging adhesives, wood adhesives, and book binding adhesives. The product is delivered as a white liquid with a solids content of 50 ± 1% and a viscosity of 75000 ± 15000 mPa·s.
Vinyl acetate dispersions such as SR® 320 have become important in modern adhesive technology due to their versatility, adhesion to a wide range of substrates, and compatibility with other adhesive components. SR® 320, with its dibutyl phthalate plasticization and polyvinyl alcohol stabilization, delivers excellent adhesion and flexibility, making it suitable for multiple applications.
The primary applications of SR® 320 include:
Woven Carpet Back Coating: Used for back coating and preventing fraying of cut woven carpet.
Paper and Packaging Adhesives: Used in fast-setting paper and packaging adhesive formulations.
Wood Adhesives: Used as a component in wood glue formulations for furniture and joinery.
Book Binding Adhesives: Used in adhesives for book spine gluing and page bonding.
The global adhesive market is projected to maintain steady growth, driven by increasing demand for packaging, growth in construction activity, and demand for high-performance adhesives. The Supply Chain Department at Sahi Rasa Company is positioned to serve this growing demand.
3. Physical Specifications Table
| Parameter | Specification |
|---|---|
| Product Name | SR® 320 Vinyl Acetate Multi-Purpose Dispersion |
| Appearance | White liquid |
| Solids Content (ISO 3251: 1h; 105°C) | 50 ± 1% |
| Viscosity (ISO 2555; Spindle No. 7; 20 rpm; 23°C) | 75000 ± 15000 mPa·s (cP) |
| pH Value (ISO 976) | 4.0 ± 1.0 |
| Minimum Film Forming Temperature (MFFT) (ISO 2115) | Approx. 2°C |
| Density (ISO 2811) | Approx. 1.06 g/cm³ |
| Hardness, Koenig (ISO 1522) | 71 s |
| Film Appearance | Tack-free, clear and flexible |
| Stabilization | Polyvinyl Alcohol |
| Plasticizer | Dibutyl Phthalate |
| Packaging | 200 L drums, 1000 L IBC totes |
Note: Film properties measured after force drying at 60°C for 2hr and at 21°C for 24hr and 53% relative humidity (ISO 3270). Tested at 23°C and 53% relative humidity (ISO 3270).
4. Chemical Specifications Table
| Component | Specification |
|---|---|
| Base Chemistry | Vinyl Acetate Homopolymer |
| Polymer Type | Plasticized aqueous dispersion |
| Stabilization System | Polyvinyl Alcohol |
| Plasticizer | Dibutyl Phthalate |
| Solids Content | 50 ± 1% |
| pH Value | 4.0 ± 1.0 |
| MFFT | Approx. 2°C |
| Density | Approx. 1.06 g/cm³ |
| Volatile Content | Approx. 50% (water) |
| Standards Reference | ISO 3251, ISO 2555, ISO 976, ISO 2115, ISO 2811, ISO 1522, ISO 3270 |
5. Industries & Factories Using This Product
SR® 320 vinyl acetate resin is utilized across a diverse range of industries. The following industries and their factories are the primary users of this product:
Carpet Manufacturers: Woven carpet producers, carpet finishing companies, and floor covering manufacturers use SR® 320 for back coating and anti-fraying applications.
Paper and Packaging Factories: Paper adhesive producers, envelope manufacturers, and packaging companies use SR® 320 in fast-setting paper and packaging adhesives.
Book Binding Plants: Bookbinding companies and print finishing plants use SR® 320 in book spine gluing and page bonding adhesives.
Woodworking Shops: Furniture manufacturers and joinery workshops use SR® 320 in wood adhesive formulations.
Textile Finishing Plants: Textile finishing companies use SR® 320 for woven fabric finishing and anti-fraying applications.
6. Key Properties & Advantages
SR® 320 offers a distinctive combination of properties that make it a versatile choice for multiple adhesive and coating applications:
Multi-Purpose Versatility: SR® 320 is suitable for a wide range of applications, including carpet back coating, paper and packaging adhesives, wood adhesives, and book binding adhesives.
Excellent Adhesion: The vinyl acetate backbone provides strong adhesion to a wide range of substrates, including fibers, paper, wood, and other cellulosic materials.
Clear and Flexible Films: Dried films are clear and flexible, accommodating dimensional changes in substrates.
Tack-Free Surface: The tack-free surface of dried films prevents blocking and sticking during storage and handling.
Nonionic Nature: SR® 320 is nonionic, allowing it to be applied together with anionic and cationic textile auxiliaries in a single bath.
pH Flexibility: SR® 320 can be applied at neutral or weakly alkaline pH.
Compatibility with Plasticizers: Good compatibility with commonly used phthalates and benzoate plasticizers, allowing formulators to adjust flexibility.
Viscosity Adjustability: Various thickeners, including Tylose® grades and acrylic thickeners, can be used to adjust viscosity.
Environmentally Friendly: As a waterborne dispersion, SR® 320 enables the formulation of low-VOC adhesives.
7. Chemical Formula / Size & Packaging Specifications
SR® 320 is a polymer dispersion, not a single chemical compound. Its polymer backbone is based on polyvinyl acetate.
General Structure: [-CH₂-CH(OCOCH₃)-]ₙ
CAS Number: 9003-20-7 (polyvinyl acetate)
Packaging Options:
200 L standard steel or plastic drums
1000 L IBC (Intermediate Bulk Container) totes
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 | Viscosity | MFFT | Application |
|---|---|---|---|---|
| SR® 320 | 50 ± 1% | 75000 ± 15000 mPa·s | Approx. 2°C | Carpet back coating, paper adhesives |
| SR® 321 | 49 ± 1% | 65000 ± 15000 mPa·s | 4°C | Paper and packaging adhesives |
| SR 300 | 50 ± 1% | 85000 ± 15000 mPa·s | 14°C | Carpet finishing, wood glue |
| SR 301 | 50 ± 1% | 12000 ± 2000 mPa·s | 12°C | Wood glue, paper adhesives |
Quality Grades: Industrial Grade, Professional Grade, Premium Grade.
Custom Options: Custom solids content, custom viscosity, custom pH adjustment, and private labeling available.
9. Sahi Rasa Supply Chain Department Services for International Factories
The Supply Chain Department at Sahi Rasa Company offers a comprehensive suite of services for international factories procuring SR® 320, including Monthly & Weekly Supply Planning, Sourcing & Procurement, Sample Dispatch, Custom Manufacturing (OEM/ODM), Pre-Shipment Quality Control, Loading & Handling, Export Documentation, International Transportation, Export Customs Clearance, Import Customs Clearance, On-Site Technical Team Deployment, and Training & Knowledge Transfer. Each service is delivered with the same rigor and attention to detail described in previous product sections.
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® 320 vinyl acetate resin 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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