Chevron Phillips Marlex 7120X LLDPE Resin

Chevron Phillips Marlex 7120X is a linear low-density polyethylene (LLDPE) resin produced by Chevron Phillips Chemical, specifically designed for blown film extrusion.

Physical Properties

  • Specific Gravity: Measured following ASTM D1505, the specific gravity is 0.919 g/cc (0.919 g/cc).
  • Melt Flow: Per ASTM D1238, at 190 °C/2.16 kg, the melt flow rate of 2.0 g/10 min enhances processing, enabling faster and more complex film formation.

Polymer Properties:

  • Base Material: Linear Low – Density Polyethylene (LLDPE)
  • Key Features:
    • Balanced Processability: A good balance of melt strength and flow properties is achieved.
    • Superior Mechanical Strength: The resin has excellent mechanical properties, which ensures the durability and stretchability of the film.
    • High Tear Resistance: Marlex® 7120X has extremely high tear strength, making it ideal for applications requiring tear resistance.
    • Good Film Stiffness: The density of the resin helps to achieve good film stiffness.

Applications:

The combination of balanced mechanical properties and good processability makes Marlex® 7120X a reliable material for general-purpose and high-performance film applications.

  • General Purpose Bags: Ideal for producing shopping bags, produce bags, and other consumer bags that require a good balance of strength and clarity.
  • Industrial and Food Packaging: Used for various types of packaging films that require durability and consistency, including those for food contact applications.
  • Stretch Film: The puncture resistance and strength are well-suited for stretch wrap and pallet wrapping, providing secure load stability.
  • Industrial Liners: The resin’s toughness makes it a strong choice for industrial liners and protective covers.

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