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HDPE — High-Density Polyethylene

What is HDPE?

High-Density Polyethylene (HDPE) is a thermoplastic polymer produced from ethylene. Its linear molecular structure, with few branches, provides high density, mechanical strength, and rigidity—ideal characteristics for infrastructure applications.

Chemical and physical properties

PropertyTypical value
Density0.941 – 0.965 g/cm³
Tensile strength25 – 45 MPa
Operating temperature-50°C to +60°C
Chemical resistanceAcids, bases, solvents
Estimated service life75+ years
Recyclability100%

Advantages over other materials

HDPE vs. PVC

HDPE offers greater flexibility, impact resistance, and durability in harsh environments. It is chlorine-free, making it more environmentally safe.

HDPE vs. metal

Corrosion-resistant, significantly lighter, lower transportation and installation costs, and no need for cathodic protection.

HDPE vs. concrete

Up to 10 times lighter, flexible (absorbs settlement), quick installation, no rigid joints that crack.

Applications

  • Protection of electrical and telecommunications cables
  • Agricultural and urban drainage
  • Road and rail infrastructure
  • Solar and wind power plants
  • Sanitation and landfills
  • Civil construction and housing developments

Environmental benefits

HDPE is 100% recyclable and inert—it does not release toxic substances into the soil or water. Its light weight reduces transportation emissions, and its 75+ year lifespan minimizes the need for replacements.

Learn more about HDPE recycling

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