Sorry, you need to enable JavaScript to visit this website.
Skip to main content

Marlex® TRB-437LS High-Density Polyethylene (HDPE)

Performance Pipe Employee Checking Pipe Gauge

Marlex® TRB-437LS high-density polyethylene (HDPE) is a high-performance bimodal ethylene-hexene copolymer designed for pressure pipe applications.

Its long-term hydrostatic strength and resistance to crack propagation support demanding municipal and industrial pipeline 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)9.0 g/10 minASTM D1238
Density0.949 g/cm3ASTM D1505
Flexural Modulus (2% Secant)140,000 psiASTM D790
Tensile Strength at Yield3,500 psiASTM D638
PENT Slow Crack Growth>10,000 hASTM F1473

Key Characteristics of Marlex® TRB-437LS HDPE 

  • Excellent long-term hoop strength 
  • Excellent melt strength 
  • Exceptional resistance to slow and rapid crack growth 
  • Outstanding low-temperature toughness 

 

These HDPE resin properties make Marlex® TRB-437LS 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 Pressure Pipe

HDPE resins are engineered for a wide range of pipe and corrugated extrusion applications. Marlex® TRB-437LS PE is optimized for pressure pipe extrusion applications.

Typical Applications

Non-exhaustive list of applications:

  • Municipal pipe
  • Industrial pipe
  • Energy pipe
  • Mining applications
  • Potable water systems

 

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 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

Reliable Global Supply

Reliable global supply from ISO 9001–certified manufacturing facilities

Innovation and Sustainability

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