PVC S65 is one of the widely used grades of polyvinyl chloride, known for its superior technical properties such as suitable intrinsic viscosity, high bulk density, and excellent chemical resistance. This product is used in various industries including wires and cables, films and sheets, injection molding, and construction. High-quality PVC S65 is produced by Iranian manufacturers such as Ghadir Petrochemical, Bandar Imam Petrochemical, and Arvand Petrochemical, playing a significant role in meeting domestic needs and exports. Due to its high safety and ease of processing, PVC S65 is an ideal choice for industrial and medical applications.
Technical Features
Features
K-Value
Residual VCM Content
Inherent Viscosity
Bulk Density
Porosity
Unit
—
ppm
—
gr/lit
mlDop/grPVC
Test Method
ASTM D 1243-79
ASTM D 3749-78
ASTM D 1243-79
ASTM D 1895-69
BFG 1094-A
Value
1 max
50-60
0.85 – 0.91
530 – 590
0.1 – 0.25
Applications
- Wire and Cable Industry
- Film and Sheet Industry
- Injection Molding Industry
- Construction Industry
- Medical Industry
Introduction
Polyvinyl chloride (PVC) is one of the most widely used polymers in the world due to its unique physical and chemical properties, making it a material of choice in various industries. In this article, the features, advantages, and applications of PVC S65 will be explored. Additionally, the role of Iranian producers such as Ghadir Petrochemical, Bandar Imam Petrochemical, and Arvand Petrochemical in the production of this product will be examined.
Features of PVC S65
PVC S65 is one of the significant grades of polyvinyl chloride and possesses specific technical characteristics. According to the provided data, this grade has the following specifications:
- K-Value
The K-Value for PVC S65 is 65, indicating the average molecular weight and suitable rheological properties of this grade.
- Intrinsic Viscosity
The intrinsic viscosity of this grade ranges between 0.85 and 0.91, reflecting the high quality of the polymer and its applicability in various processes.
- Bulk Density
The bulk density of PVC S65 ranges between 530 and 590 grams per liter, indicating a dense and uniform structure of this polymer.
- Porosity
The porosity of this grade ranges between 0.1 and 0.25 milliliters of dioctyl phthalate per gram of PVC, reflecting the high quality of the polymerization process.
- Dark Particles and Fish Eyes
The number of dark particles and fish eyes in this grade is less than 30 and 25, respectively, indicating high purity and suitability for sensitive applications.
- Flow Time
The flow time of PVC S65 ranges between 15 and 30 seconds, indicating easy processability in production processes.
- Residual VCM Content
This value is less than 1 ppm, indicating high safety and environmental compatibility.
- Particle Size
More than 95% of the particles in this grade are smaller than 63 microns, and less than 5% are larger than 250 microns, reflecting uniformity and high product quality.
Advantages of PVC S65
Easy Processability
Due to its intrinsic viscosity and suitable flow time, this grade can be easily used in extrusion and injection processes.
High Chemical Resistance
PVC S65 exhibits high resistance to chemicals, acids, and bases.
Safety and Environmental Compatibility
Owing to its very low residual vinyl chloride monomer content, this grade is suitable for food and medical applications.
Mechanical Strength
This grade has high mechanical strength and wear resistance.
Cost-Effectiveness
Thanks to domestic production by companies such as Ghadir Petrochemical, this product is competitively priced.
Applications of PVC S65
Due to its unique properties, PVC S65 is used in various industries:
-
Wire and Cable Industry
Due to its high electrical resistance and flexibility, it is used in wire and cable insulation.
-
Film and Sheet Industry
It is used to produce packaging films and PVC sheets.
-
Injection Molding Industry
Due to its easy processability, it is used in the production of plastic parts.
-
Construction Industry
It is used in the production of PVC pipes, door and window profiles, and flooring.
-
Medical Industry
Owing to its high safety, it is used in the production of medical devices and drug packaging.
Role of Iranian Producers in the Production of PVC S65
PVC S65 is produced in Iran by major companies such as Ghadir Petrochemical, Bandar Imam Petrochemical, and Arvand Petrochemical. By using advanced technologies and adhering to international standards, these companies have been able to produce a globally competitive product.
-
Ghadir Petrochemical
As one of the leading PVC producers in Iran, Ghadir Petrochemical produces PVC S65 with high quality and in compliance with ASTM standards.
-
Bandar Imam Petrochemical
Utilizing cutting-edge technologies, this company plays a significant role in meeting domestic needs and exporting PVC S65.
-
Arvand Petrochemical
This company also contributes significantly to the domestic and regional markets by producing PVC S65.
Conclusion
PVC S65 (PVC S65), due to its superior technical properties, has wide applications in various industries. The production of this product by Iranian companies such as Ghadir Petrochemical, Bandar Imam Petrochemical, and Arvand Petrochemical not only meets domestic needs but also boosts exports and generates revenue for the country. Given the advantages of this grade, it can be considered one of the most important industrial polymers in Iran and the world.
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