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Marlex® 9005 High-Density Polyethylene (HDPE)

Multicolored Crates

Marlex® 9005 high-density polyethylene (HDPE) is an injection molding grade designed to deliver dependable mechanical performance across a wide range of rigid applications. It provides a balanced combination of stiffness, toughness and chemical resistance, making it well suited for industrial parts, reusable containers, seating components and demanding agricultural end uses.

Backed by Chevron Phillips Chemical’s long-standing leadership in polyethylene development, Marlex® 9005 PE is engineered to provide consistent part quality and reliable processing performance in high-volume manufacturing environments where durability and dimensional stability are critical.

Produced using CPChem’s proprietary MarTECH® loop slurry process and advanced catalyst technologies, Marlex® HDPE resins offer 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)6.0 g/10 minASTM D1238
Density0.945 g/cm3ASTM D1505
Flexural Modulus (Tangent)155,000 psiASTM D790
Tensile Strength at Yield3,400 psiASTM D638

Key Characteristics of Marlex® 9005 HDPE 

  • Moderate flow 
  • Excellent impact strength 
  • Excellent ESCR 
  • Good warpage resistance 
  • Durability 

 

These HDPE resin properties make Marlex® 9005 PE a versatile choice for manufacturers producing rigid polyethylene components that require long-term performance and repeatability.

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HDPE Resin for Injection Molding

HDPE resins are engineered for both rigid and flexible processing methods. Marlex® 9005 is optimized for rigid injection molding applications.

Rigid Applications

Non-exhaustive list of applications:

  • Industrial molded parts
  • Seats
  • Food and household containers
  • Agricultural containers and parts

 

These applications benefit from Marlex® 9005 PE’s ability to maintain structural integrity, resist cracking and deliver consistent molded parts across 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 profiles

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