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What Are the Main Properties of HDPE?

Mechanical Properties of HDPE Material

  • Tensile Strength: HDPE can withstand considerable force, with a typical tensile strength of around 25 MPa. This property ensures that material can handle tension without breaking.
  • Elongation at Yield: With an elongation rate of about 9% at yield, it offers flexibility under stress.
  • Modulus of Elasticity: The modulus of elasticity in tension stands at approximately 1000 MPa. This one indicates that HDPE is able to deform under tensile stress.

Thermal Properties

  • Glass Transition Temperature: It has a low glass transition temperature of around -95°C, which helps it remain flexible under extremely cold conditions.
  • Melting Point: The material softens around 130°C, useful in thermal forming processes.
  • Service Temperature: It is effective within a service temperature range of -30 to 90°C, works well in various climates.

Electrical Properties

HDPE also offers excellent insulation properties, which makes it suitable for electrical applications:

  • Dielectric Strength: With a dielectric strength of 50 kV/mm, HDPE can resist high voltages, making it ideal for insulating electrical components.

Other Relevant Properties

  • Impact Resistance: HDPE’s resilience is highlighted by its high impact strength, ensuring durability against mechanical shocks.
  • Water Absorption: It exhibits minimal water absorption (<0.05%), which prevents swelling and maintains integrity in moist environments.
  • Chemical Resistance: The material is resistant to most acids, alcohols, and bases, making it suitable for containers and pipework in chemical processing.

Below is a table summarizing some of the typical properties of HDPE:

PropertyUnitValue
Tensile StrengthMPa25
Elongation at Yield%9
Modulus of Elasticity in TensionMPa1000
Glass Transition Temperature°C-95
Melting Point°C130
Service Temperature°C-30 to 90
Dielectric StrengthkV/mm50
Water Absorption%<0.05

Get in Touch With Legacy HDPE

HDPE’s extensive range of properties can be tailored to meet  specific needs, which maks it a highly adaptable solution for a myriad of challenges. Whether in consumer goods, industrial applications, or infrastructure projects, HDPE continues to be a dependable choice for engineers and designers alike.

If you are looking for high-quality solutions tailored to the specific requirements of your HDPE boat production, contact Legacy HDPE. We prioritize quality and customer satisfaction, ensuring durability, efficiency, and cost-effectiveness. For more information about our products and services, please contact us directly at Tel: 307-299-3049.

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Legacy Innovations LLC | Legacy HDPE

Chuck
Chuck
Legacy is the only company that harvests abandon HDPE pipe line and recycle it into environmentally friendly vessels, that fact is important to me, my company and our customers, and recycling should be important to all of us that work on the water.”
Chad Marquardt
Chad Marquardt
“I'm very impressed with your craftsmanship and how clean everything turned out! I've got a 4 year old Bradford bed that is already rusting out , having a hdpe bed is inferior to anything else!! No rust, no paint! My favorite is the dog box , you have the structural integrity to be abused, but lightweight and very clean! Lightweight and skid along snow/ice easily!
Wainright
Wainright
The difference for us is the in-house engineering staff. We needed a platform that was mission specific and did not exist prior to working with Legacy.
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