Sinopec PVC S-1000 is a general-purpose suspension polyvinyl chloride resin. The product appears as a white, free-flowing powder with medium-to-high molecular weight, offering an excellent balance between mechanical strength, processability, and formulation flexibility. S-1000 is widely used in both rigid and plasticized PVC applications, making it a versatile grade suitable for a broad range of industrial and consumer products.

Technical Properties of Sinopec PVC S-1000

Item

Typical Value

Appearance

White powder

Polymerization Method

Suspension

K-Value

66–68

Degree of Polymerization

Approx. 970–1070

Bulk Density

0.48–0.60 g/cm³

Volatile Content

≤ 0.30%

Residual VCM

≤ 3 ppm

Plasticizer Absorption

≥ 20–26 g/100 g

Particle Size

Uniform, low fish-eye content

Main Applications

  • Flexible and Semi-Rigid Products include PVC films and sheets, artificial leather, flexible hoses and tubing, wire and cable insulation and sheathing, as well as footwear components and various soft molded parts.
  • Rigid and Structural Products cover pipes and conduits, PVC profiles and decorative sections, electrical trunking systems, and general-purpose molded components.
  • Other Applications include household plastic goods, appliance and electrical components, and a variety of construction and interior decoration materials.

Key Product Advantages

  • Excellent Processability. With uniform particle size distribution and stable powder flow, PVC S-1000 offers smooth melting behavior and a wide processing window. It performs well in extrusion, injection molding, and calendering processes, helping improve production efficiency and product consistency.
  • Balanced Mechanical Performance. This material features a moderate to high molecular weight, providing a good balance of strength, toughness, and dimensional stability. It is suitable for both rigid and flexible formulations, ensuring reliable performance in a wide range of applications.
  • High Plasticizer Absorption. The resin exhibits good plasticizer absorption capacity, allowing formulators to precisely control flexibility and softness. This makes PVC S-1000 particularly suitable for flexible and semi-rigid PVC products.
  • Good Chemical and Corrosion Resistance. The resin shows excellent resistance to acids, alkalis, salts, and many inorganic chemicals. Its chemical stability ensures long service life in demanding industrial and construction environments.
  • Reliable Electrical Insulation and Flame Retardancy. The inherent electrical insulation properties and self-extinguishing behavior of S-1000 resin make it an ideal material for wire, cable, and electrical protection applications.

Packaging & Storage

  • PVC S-1000 is typically supplied in 25 kg bags or jumbo bags.
  • The product should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, moisture, and heat sources. Proper storage helps maintain product quality and flow characteristics.

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