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

Marlex® 4538A Low-Density Polyethylene (LDPE)

Collection of personal care bottles

Marlex® 4538A LDPE is engineered for blow molding applications, providing the combination of optical quality, flexibility and seal performance that converters rely on. 

Leveraging decades of polyethylene manufacturing expertise, CPChem produces Marlex® LDPE resins using advanced polymerization and process control technologies. Our proprietary autoclave process delivers uniform molecular structure and consistent resin quality, enabling predictable processing behavior and dependable performance for blow molded LDPE products. 

Connect with our PE product experts 

Properties

PropertyTypical ValueTest Method
Density0.925 g/cm3ASTM D1505
Flow Rate (MI, 190°C/2.16 kg)2.0 g/10 minASTM D1238
Tensile Strength at Yield17 MPa (2,500 psi)ASTM D638
Elongation at Break600%ASTM D638
Flexural Modulus340 MPa (50,000 psi)ASTM D790
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.


LDPE Resin for Blow Molded Flexible Packaging and Containers

Non-exhaustive list of applications:

  • Pharmaceutical bottles
  • Squeeze bottles
  • Flexible toys

Contact our polyethylene specialists for processing support

Key Characteristics of Marlex® 4538A LDPE  

Engineered for blow molding applications, Marlex® 4538A LDPE delivers the combination of optical quality, flexibility, and seal performance that converters rely on for demanding flexible packaging and container applications.  

Key characteristics include:

  • Good Impact Resistance: Withstands handling, transport, and end-use stresses without compromising container integrity  
  • Excellent Flexibility: Delivers the squeezability and resilience required for dispensing and flexible packaging applications
  • Good Clarity: Provides optical quality that showcases product contents and supports brand presentation
  • Good Gloss: Offers a polished surface finish that enhances shelf appeal and visual quality
  • No Slip or Antiblock: Clean formulation suited for applications where additive-free resin performance is required

 

To learn more about Marlex® 4538A LDPE, contact our PE team.

Why Choose CPChem as Your Polyethylene 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.

Broad Marlex® Portfolio

Our comprehensive range of Marlex® HDPE, MDPE, LDPE, LLDPE, and metallocene resins supports diverse applications across film, packaging, pipe, and molded parts.

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.