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Application: pipe fitting, wpc or PVC foam board, PVC film
Brand: Sanyou, Tianhu, Shihua,Beiyuan
WSD CHEMICAL supplies high-quality SG-8 Polyvinyl Chloride (PVC) Resin, a suspension-grade polymer characterized by its high molecular weight and viscosity. It is engineered to deliver exceptional mechanical strength, rigidity, and thermal stability, making it the ideal base material for demanding rigid PVC applications.
Item | Index |
Viscosity ml/g | 73-86 |
K-Value | 55-59 |
Average degree of Polymerization | 650-750 |
Number of impurity particles ≤ | 20 |
Volatile content (incl. water) % ≤ | 0.4 |
Apparent density ≥ | 0.5 |
Particle size(≥ 0.25mm ≤) | 0.4 |
Particle size(≥ 0.063mm ≥) | 95 |
Number of Fish Eye (/400 cm2) ≤ | 30 |
Plasticizer absorption of 100g resin ≥ | 22 |
Whiteness ( 160°C, after 10 min.) % ≥ | 75 |
Core Features & Benefits
High Mechanical Strength & Rigidity: The high molecular weight of SG-8 resin contributes to outstanding tensile strength, modulus of elasticity, and impact resistance in the final product, essential for structural applications.
Excellent Thermal Stability & Processability: WSD CHEMICAL offered SG-8 resin features a uniform particle size distribution and high porosity, ensuring excellent plasticizer absorption (for flexible compounds) and facilitating smooth, stable fusion during processing with appropriate stabilizers (e.g., WSD CHEMICAL's lead-based or calcium-zinc systems).
Superior Hydrostatic Pressure Strength: Particularly suited for pressure pipe applications, compounds made with SG-8 resin exhibit high hydrostatic pressure resistance and long-term durability.
Good Electrical Insulation Properties: Maintains excellent electrical insulation, making it suitable for electrical conduit and fittings.
Consistent Quality & Batch-to-Batch Uniformity: WSD CHEMICAL ensures strict quality control, providing resin with consistent rheological and physical properties for reliable and efficient production.
· PVC rigid film& Sheets: .
· PVC or WPC foam board
· Fittings & Injection Molded Parts: Pipe fittings, valves, and other components
· Electrical Conduits & Ducts: For protective cable management systems.
· Typical Formulation: Used in rigid (unplasticized) formulations. Requires the addition of appropriate heat stabilizers (recommended: WSD CHEMICAL's one-pack stabilizers), lubricants, fillers (e.g., CaCO3), and processing aids as needed.
· Processing Methods: Well-suited for twin-screw extrusion (for pipes and profiles) and calendering (for sheets). Recommended processing temperature range: 175°C - 195°C.
· Technical Support: WSD CHEMICAL provides comprehensive technical support for compound formulation and process optimization to achieve optimal performance.
· Packaging: Standard packaging is 25 kg woven bags with inner plastic liner. Bulk packaging (500 kg or 1000 kg big bags) is available upon request.
· Storage: Store in a cool, dry, and well-ventilated warehouse away from moisture, heat sources, and open flames. Keep bags sealed.
· Shelf Life: 12 months from the date of production when stored under recommended conditions.
Application: pipe fitting, wpc or PVC foam board, PVC film
Brand: Sanyou, Tianhu, Shihua,Beiyuan