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What is HDPE - Legacy Innovations HDPE Guide

Everything you need to know about HDPE

What is HDPE ? High Density Poly Ethylene (HDPE) is a thermoplastic polymer derived from petroleum. Being one of the best plastics, HDPE is used in many applications, including bottles, boats, cutting boards, truck beds, rbb boats and so much more. The thermal properties also allow it to withstand higher heads compared to other plastics. 

What is High-Density Polyethylene

What is HDPE?

Developed in the 1950s, HDPE has become a cornerstone material in various industries due to its exceptional properties and broad range of applications. High-Density Polyethylene (HDPE) with a generalized chemical formula (C2H4)n is a robust, and highly durable thermoplastic polymer widely recognized for its impressive strength-to-density ratio.
High-Density Polyethylene material for workboats, HDPE material for workboats, HDPE sheets, what is HDPE

What is HDPE ?

How is HDPE recycled?

HDPE pipes, Delivery of HDPE POLY PIPE in Wyoming, Florida, Michigan, South Carolina

HDPE Plastic is found everywhere around you. You probably could even find HDPE around where you are sitting right now. Common bottles, detergent containers, and cleaning supply containers. In a city or business, pipes that deal with chemicals or long-distance pipes are almost always HDPE. Poly Pipe and the recycling process has a growing industry helping reuse and recycle existing plastics rather than producing more. 

Why use HDPE pipe?

Recycling, Reusing,
Selling and Delivering Poly Pipe

Our mission is to actively innovate the polyethylene pipeline industry. With unique techniques in recycling, reusing, selling and delivering, we pride ourselves in being the area’s leading used pipeline supplier. Our products surpass standard quality, and Legacy Innovations is devoted to bringing the very best to you.
HDPE pipe

High Density Polyethylene (HDPE) piping is uniquely immune to rust and corrosion, making it an ideal choice for various applications, from potable water transport to chemical delivery systems. This resistance extends the lifespan of HDPE pipes significantly compared to traditional metal pipes.

HDPE’s flexibility allows it to withstand constant pressures and the stresses of dynamic loads without suffering wear and tear. This characteristic makes it exceptionally durable in applications requiring the piping to flex under stress, ensuring long-term reliability.

Thanks to its seamless jointing methods, HDPE piping offers a virtually leak-free system. The fusion process used to join HDPE pipes creates a bond as strong as the pipe itself, eliminating the risk of leaks that are common in the joints of other types of piping systems.

HDPE piping is made from recyclable materials, contributing to its eco-friendly profile. Its long service life and low maintenance requirements reduce the need for frequent replacements and repairs, minimizing its environmental footprint over time.

 
 
 
Plastic pipes, Polyethylene (HDPE) Pipes in Wyoming, Michigan, Florida, South Carolina and Beyond; eco-friendly HDpe pipe | Used HDPE pipe for sale

What are the primary benefits of HDPE plastic?

HDPE plastic is approved by the USFDA to hold food, allows for easily handlable texture, and is entirely reusable, moldable, and easy to work with. HDPE is a wonder plastic.

Easy to Work With: Versatile and Malleable 

HDPE (High-Density Polyethylene) stands out for its remarkable flexibility. Despite its high melting point, which keeps it rigid at elevated temperatures, HDPE can be easily shaped once melted. This makes it perfect for various products such as cutting boards, milk jugs, detergent bottles, food storage containers, corrosion-resistant piping, geomembranes, and plastic lumber.

Withstanding the Elements: Resistant to Corrosion

This material is extremely resistant to mold, mildew, and rotting, making it an excellent choice for underground water pipes. HDPE’s durability and resistance to weather conditions also allow it to be boiled for sterilization, which is ideal for food and beverage containers. Additionally, it withstands most strong mineral acids and bases, as well as naturally occurring chemicals in soil, and is almost impervious to water, solvents, acids, detergents, and cleaning fluids.

Perfect for agility & strength 

Despite having a density ranging from 0.93 to 0.97 g/cm³, slightly more than LDPE (Low-Density Polyethylene), HDPE’s linear structure with minimal branching offers superior intermolecular forces and tensile strength. This enables a lightweight HDPE container, weighing just 60 grams, to hold over a gallon of liquid or about eight pounds.

Eco-Friendly and Recyclable

HDPE’s recyclability is one of its key advantages, helping reduce the amount of non-biodegradable waste in landfills and cutting plastic production by up to 50%. This makes it a cost-effective and environmentally responsible material choice.

Advantages of using HDPE
over aluminum material

For the proper application, the use of HDPE drives out significant cost by providing the longevity of a product. We would like to demonstrate the benefits of HDPE over aluminum material in the following dropdown, specifically with our marine vessels. An average aluminum hull may cost thousands of dollars more in maintenance and repair costs throughout the span of its life than the same vessel made of HDPE material.

HDPE (High Density Polyethylene) has many superior material properties for the manufacturing of products across a wide range of markets when the environment conditions demand the toughest products.

The highly elastic and high toughness properties of HDPE allow impacts and sudden intense loads to be taken and absorbed into the vessel without permanent deformation. With a 700% elongation at failure, HDPE will “spring” back to its original shape. With this highly elastic nature of HDPE, a vessel could almost be folded in half before the hull bottom sheets would fracture!
Percent Elongation at Fracture (HDPE & Aluminum)

High density polyethylene provides excellent resistance against acid, bases, alcohols, salts and much more with little or no effect. PE100 grade HDPE used in Legacy Innovation’s vessels has been compounded with carbon black stabilizer (ASTM D3350) to be resistant to ultraviolet (UV) radiation from the sun.

HDPE is a thermoplastic and is 100% recyclable, meaning the marine vessel can be cleaned, granulated, and reprocessed into new sheet stock.
Above are the static surface friction coefficients between HDPE and aluminum against a common solid material. It takes approximately 1/3 the force to slide an object on HDPE vs. aluminum. Although more complicated, water sliding under the surface of an HDPE vessel will stay in a smooth (laminar) flow for longer than that of an aluminum hull, therefore decreasing the overall skin friction of the vessel and increasing the fuel economy of the vessel. Friction Coefficients

Aluminum has a thermal conductivity 504 times greater than HDPE. HDPE insulates the hull floor from the cold water below giving an HDPE hull a much warmer feel in cold conditions than an aluminum hull.

Fatigue is a failure criterion of a material which undergoes stress reversals, from compression to tension, for example when a vessel encounters a wave and rolls over the crest. Due to the elastic recovery of HDPE in stress reversal scenario, HDPE is highly resistant to stress cracking.

With a specific gravity of 0.94, HDPE is lighter than water. Although this is only relevant once the vessel is swamped, the lightweight property of HDPE minimizes the total volume of floatation material when required. The overall weight of an HDPE vessel will be similar to an aluminum vessel to provide the “feel good” rigidity of the vessel although an HDPE vessel can safely undergo significantly more deflection (movement) than can an aluminum vessel.

Common uses for HDPE

Plastic has a reputation for surviving for hundreds of years. That has caused concern for items that are thrown out. We take that a different direction, and utilize its strengths to its advantage. 

HDPE Pipe

SDR 17 HDPE pipe, Polyethylene Pipe, SUPPLYING USED HDPE POLY PIPE

HDPE Boats

HDPE Workboats in USa

HDPE Sheets

HDPE material plastic, HDPE sheets recyclable for rbb workboats | poly water tanks for fire trucks

FAQ

HDPE is a polymer material, that has a designation of rubber code 2 and is 100% recyclable. This material is widely used for its durability, strength, chemical resistance and, for ease of processing.

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HDPE pipe is typically joined using butt fusion, electrofusion, or mechanical fittings.

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HDPE sheets can be cut using a circular saw, table saw, or jigsaw with appropriate blades for plastic.

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HDPE is ideal for plastic workboats due to its high impact resistance, durability, and ability to withstand harsh marine environments without corroding.

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Legacy Innovations LLC | Legacy HDPE

Chuck
Chuck
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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
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“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
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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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