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Marlex® HXB TR-494 High-Density Polyethylene (HDPE)

Performance Pipe Employee Checking Pipe Gauge

Marlex® HXB TR-494 high-density polyethylene (HDPE) is a broad molecular weight distribution, extra-high molecular weight ethylene-hexene copolymer engineered for corrugated pipe applications.

Its mechanical profile supports structural integrity and long service life in drainage and roadway 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
HLMI (190°C/21.6 kg)5.5 g/10 minASTM D1238
Density0.954 g/cm3ASTM D1505
Flexural Modulus (2% Secant)155,000 psiASTM D790
Tensile Strength at Yield4,200 psiASTM D638
NCLS>24 hASTM F2136

Key Characteristics of Marlex® HXB TR-494 HDPE 

  • Excellent melt strength 
  • High pipe stiffness 
  • Creep resistance 
  • Impact resistance 
  • Slow crack growth resistance 
  • Chemical resistance 

 

These HDPE resin properties make Marlex® HXB TR-494 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 Corrugated Pipe

HDPE resins are engineered for a wide range of pipe and corrugated extrusion applications. Marlex® HXB TR-494 PE is optimized for corrugated pipe extrusion applications.

Typical Applications

Non-exhaustive list of applications:

  • Roadway culverts
  • Storm sewers
  • Land drainage
  • Conduit and duct

 

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