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Marlex® TRB-223 High-Density Polyethylene (HDPE)

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Marlex® TRB-223 high-density polyethylene (HDPE) is a bimodal, high molecular weight ethylene-hexene copolymer tailored for conduit pipe applications.

Its enhanced stiffness and slow crack growth resistance support long-term structural performance in buried conduit systems.

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

Connect with our PE product experts 

Properties 

PropertyTypical ValueTest Method
Melt Index (190°C/2.16 kg)0.35 g/10 minASTM D1238
Density0.951 g/cm3ASTM D1505
Flexural Modulus (2% Secant)150,000 psiASTM D790
Tensile Strength at Yield3,800 psiASTM D638
ESCR (Condition B)> 1,000 hASTM D1693

Key Characteristics of Marlex® TRB-223 HDPE 

  • Outstanding processability 
  • Exceptional melt strength 
  • Excellent slow crack growth resistance 
  • Good balance between pipe stiffness and toughness 

 

These HDPE resin properties make Marlex® TRB-223 PE a dependable choice for pipe and corrugated extrusion applications requiring long-term durability and reliable processing.

Contact our technical service team for processing recommendations

HDPE Resin for Conduit

HDPE resins are engineered for a wide range of pipe and corrugated extrusion applications. Marlex® TRB-223 PE is optimized for conduit pipe extrusion applications.

Typical Applications

Non-exhaustive list of applications:

  • Telecommunications
  • Data transmission
  • Electrical

 

These applications benefit from balance of stiffness, toughness, environmental stress crack resistance and long-term performance in pipe systems.

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 Resin Portfolio

Broad HDPE portfolio supporting pressure pipe, conduit and corrugated infrastructure

R&D and Technical Service

World-class R&D and technical service teams supporting pipe system design

Proven Pipe Performance

Reliable global supply from ISO 9001–certified manufacturing facilities

Innovation and Sustainability

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