Description
Technical Specifications of PVC SG3
| Property | Specification |
|---|---|
| Product Name | Polyvinyl Chloride Resin SG3 |
| Grade | Suspension Grade (SG) |
| K-Value | 72 – 73 |
| Viscosity Number (ml/g) | 122 – 132 |
| Bulk Density (g/cm³) | 0.45 – 0.55 |
| Volatile Content (%) | ≤ 0.40 |
| Particle Size (200 mesh) | ≥ 98% passing |
| Whiteness (160°C, 10 mins) | ≥ 80% |
| Plasticizer Absorption (DOP) | ≥ 20% |
| Impurity Particles | ≤ 16 |
| Moisture Content (%) | ≤ 0.3 |
Key Features and Benefits of PVC SG3
✅ High Plasticizer Absorption
PVC SG3 absorbs more plasticizer compared to lower-viscosity PVC grades, resulting in highly flexible end-products with excellent elasticity and softness.
✅ Good Transparency and Surface Quality
This resin is highly transparent and ensures a smooth, glossy surface finish, making it ideal for packaging films, medical tubes, and artificial leather.
✅ Excellent Chemical and Electrical Resistance
PVC SG3 exhibits superior resistance to chemicals, oils, and electrical conductivity, making it suitable for cable insulation, coated fabrics, and chemical-resistant films.
✅ Strong Mechanical Properties
Despite its flexibility, PVC SG3 maintains good tensile strength and impact resistance, ensuring durability in long-term applications.
Common Applications of PVC SG3
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Soft PVC Films and Packaging Materials
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Used for cling films, stretch wraps, and flexible sheets due to its excellent transparency and sealing properties.
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Artificial Leather and Coated Fabrics
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Common in furniture, car interiors, handbags, and fashion accessories because of its soft texture and durability.
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Medical Products
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Ideal for IV tubing, blood bags, and surgical gloves due to its biocompatibility and flexibility.
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Wire and Cable Insulation
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Used in electrical and communication cables due to its excellent dielectric properties and heat resistance.
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Rubber and Shoe Soles
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Integrated into soft and durable footwear materials, enhancing wear resistance and flexibility.
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Wallpaper and Decorative Sheets
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Ensures a smooth, printable surface for aesthetically appealing interior decorations.
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Packaging and Storage
PVC SG3 is typically packaged in 25 kg woven bags or jumbo bags for bulk transport. It should be stored in a dry, ventilated area, away from direct sunlight and moisture, to prevent agglomeration and degradation.
Conclusion
High-Viscosity Polyvinyl Chloride (PVC SG3) is a versatile, flexible, and high-performance resin suitable for soft PVC applications. Its high plasticizer absorption, excellent mechanical properties, and chemical resistance make it an ideal material for films, medical products, cables, artificial leather, and coated fabrics. Whether in packaging, healthcare, or electrical industries, PVC SG3 continues to be a key material for manufacturers seeking high-quality, durable, and flexible polymer solutions.
