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Marlex® 9012C High-Density Polyethylene (HDPE)

water bottle caps

Marlex® 9012C high-density polyethylene (HDPE) is a controlled-rheology injection molding grade engineered for applications requiring dependable process consistency and reliable part performance. It offers a balanced combination of stiffness, toughness and chemical resistance, making it well suited for caps, closures and rigid containers produced in high-volume molding environments.

Designed to support precise mold filling and repeatable processing, Marlex® 9012C PE helps converters achieve consistent part quality, dimensional stability and reliable performance across a range of packaging applications. Its controlled flow behavior supports efficient production while maintaining structural integrity in finished parts.

Produced using CPChem’s proprietary MarTECH® loop slurry process and advanced catalyst technologies, Marlex® HDPE resins deliver uniform molecular structure, efficient processing and dependable performance across injection molding platforms.

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Properties 

PropertyTypical ValueTest Method
Melt Index (190°C/2.16 kg)11.5 g/10 minASTM D1238
Density0.952 g/cm3ASTM D1505
Impact Strength (Notched Izod)0.8 ft·lbf/inASTM D256
Flexural Modulus (1% Secant)170,000 psiASTM D790
Tensile Strength at Yield3,500 psiASTM D638

Key Characteristics of Marlex® 9012C HDPE 

  • Good flow performance 
  • Slip agent with food organoleptics and high oxidative stability 
  • High impact strength 
  • Excellent stiffness 

 

These HDPE resin properties make Marlex® 9012C PE a dependable choice for precision injection molded polyethylene components requiring consistent processing and reliable end-use performance.

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HDPE Resin for Injection Molding

HDPE resins are engineered for both rigid and flexible processing methods. Marlex® 9012C PE is optimized for rigid injection molding applications.

Rigid Applications

Non-exhaustive list of applications:

  • Caps
  • Closures
  • Containers

 

These applications benefit from controlled flow profile, consistent molding behavior and ability to maintain part geometry across high-volume production runs.

Contact our polyethylene specialists for processing support

Why Choose CPChem as Your HDPE Supplier

Proven Polyethylene Leadership

A leading HDPE producer since the 1950s with deep polymer science expertise

Broad Polyethylene Portfolio

Broad HDPE portfolio spanning multiple processing technologies and performance ranges

R&D and Technical Service

World-class R&D and technical service teams supporting application development

Reliable Global Supply

Reliable global supply from ISO 9001–certified manufacturing facilities

Commitment to Sustainability

Commitment to innovation and sustainability, including Marlex® Anew Circular Polyethylene