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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. 

Connect with our PE product experts 

Product Information
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Contacts

Kyle Miller

Polyethylene Sales | US & Canada

Americas

832-813-4372

Email

Sammy Zuehlke

Polyethylene Sales | LATAM

Americas

832-813-4722

Email

Chevron Phillips Chemical Company LP

General

Americas

+1-832-813-4100

Norman Chua

China Country Manager / North Asia Polymers Manager

Asia

Email

Jack Wee

South Asia Polymers Sales Managers

Asia

Email

Chevron Phillips Chemicals Asia Pte Ltd

Asia Region Polymer sales

Asia

Email

Low Wah Chye

ASEAN Polymers Sales Manager

Asia

Email

Chevron Phillips Chemicals International N.V.

Europe, Middle East, Africa

+32-0-2-689-12-11

John Van Gansberghe

Polymers Sales

Europe, Middle East, Africa

+32-0-2-689-12-43

Email

Properties

PropertyTypical ValueTest Method
Density0.945 g/cm3ASTM D1505
Flow Rate (MI, 190°C/2.16 kg)6.0 g/10 minASTM D1238
Tensile Strength at Yield23 MPa (3,400 psi)ASTM D638
Elongation at Break1,000%ASTM D638
Flexural Modulus1,070 MPa (155,000 psi)ASTM D790
ESCR (Condition B, 100% Igepal, F50)90 hASTM D1693
Durometer Hardness (Shore D)62ASTM D2240
Vicat Softening Temperature121°C (250°F)ASTM D1525
Brittleness Temperature< -75°C (< -103°F)ASTM D746

Nominal properties reported are typical of the product but do not reflect normal testing variance and therefore should not be used for specification purposes. Values are rounded. Physical properties were determined on compression molded specimens prepared in accordance with Procedure C of ASTM D4703, Annex A1.

HDPE Resin for Rigid Injection Molded Parts and Containers

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

Rigid Applications

Injection Molding — 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

Key Characteristics of Marlex® 9005 HDPE  

Engineered for rigid injection molding applications, Marlex® 9005 HDPE delivers the balanced combination of flow, impact strength, and stress crack resistance that high-volume manufacturers rely on for durable molded parts.  

Key characteristics include:

  • Moderate Flow: Provides processing versatility for a wide range of part geometries and mold configurations  
  • Excellent Impact Strength: Withstands handling, drop, and end-use stresses without cracking or part failure
  • Excellent ESCR: Resists environmental stress cracking for long-term performance with aggressive contents and demanding service environments
  • Good Warpage Resistance: Maintains dimensional stability through cooling and across production runs for consistent part quality
  • Durability: Delivers the long-term mechanical performance required for industrial, agricultural, and reusable container applications

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

Contact our technical service team for processing recommendations

Why Choose CPChem as Your HDPE Supplier

Proven Polyethylene Expertise

With decades of polyethylene manufacturing experience, CPChem delivers the consistent quality and proven performance that converters and brand owners depend on.

Proprietary MarTECH® Process

Our MarTECH® loop slurry process and advanced catalyst technologies deliver uniform molecular structure and consistent resin quality for dependable injection molding performance.

Technical Service and Support

Our experienced technical teams partner with customers to support application development, troubleshoot processing challenges, and optimize end-use performance.

Reliable Global Supply

Our global manufacturing footprint provides the consistent quality and dependable supply that converters and brand owners require to keep their operations running.

Commitment to Sustainability

Marlex® Anew™ Circular Polyethylene supports circular economy goals by enabling recycled content in demanding polyethylene applications.