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What is UHMWPE Material and How Is It Used?

There are many possibilities available when selecting the appropriate polymers for your special projects, which can make it challenging to make a decision. UHMW plastic could be the best option for you if you&#;re looking for a robust, lightweight, and long-lasting plastic. This plastic, often referred to as Ultra High Molecular Weight Polyethylene frequently goes under the radar and is not widely used by manufacturers and enterprises.

But as it turns out, this plastic is perfect for industrial and commercial uses. For a good reason, too&#;it offers a wealth of advantages over other kinds of plastic available on the market. Look at this:

What is UHMWPE Material?

UHMW stands for Ultra High Molecular Weight Polyethylene, as was previously mentioned. This material is robust and adaptable, with good abrasion, impact, and wear resistance while yet being relatively light. The large molecular weight and surface of UHMW&#;between 3 and 6 million molecules&#;are the key to this material&#;s exceptional qualities. Since of this, UHMW is perfect for high-temperature locations because it won&#;t melt or transform into molten liquid.

What is Polyethylene Plastic Used For?

In general, polyethylene plastic has a number of beneficial uses. When precautions must be taken as well, it is appropriate due to its strength and longevity. Let&#;s examine UHMWPE Material and how it may benefit you, spanning a range of commercial and industrial usage.

Automotives

UHMWPE does not meet the criterion since PTFE is often used in automotive applications in high-temperature settings. However, there are a variety of applications where the components function at room temperature, e.g., automobile doors, seats, hand levers, etc., and UHMWPE can find a lot of use here. We are aware that UHMWPE is employed in the worn strip found within automobile doors. UHMWPE wear strips are often a good, affordable substitute for PTFE wear strips.

Infrastructure

Although legal limitations forbid the use of materials other than PTFE in POT bearings, there are several sliding bearing applications that do not comply with government regulations and are thus potential uses for UHMWPE. UHMWPE might be used to make plain sliding pads and sliding bearings successfully.

Electronics

PTFE has historically been utilized as insulation in many electronics component parts. We have successfully tested UHMWPE for these applications in a number of instances and persuaded the customer to switch.

Food Service Cabinetry

Materials used in food service must be simple to sanitize while preventing the growth of mold and germs. Additionally, materials must be durable enough to withstand potentially harsh cleansers. UHMW is robust enough to withstand all kinds of cleansers and is rust-resistant. The best part is that it is available in a variety of finishes, making it simple to match a UHMW food shelf to existing decor.

UHMW polyethylene conveyor system

UHMWPE material is ideally suited for conveyor systems because of its capacity to tolerate high temperatures, frequent stress, and chemical exposure. This material is also perfect for making star wheels for conveyor systems, which hasten and effectively move goods through assembly and sorting processes.

UHMW polyethylene dock

If you are looking for more details, kindly visit UHMWPE Fiber.

UHMW is frequently used to make docks and dock fenders for a good cause. This material can survive moisture for a long time and is water-resistant. Additionally, it is resistant to abrasion. Thus there is almost little risk that it will sustain damage when boats crash into it when docking.

Boom Trucks and Outrigger Pads

UHMW is frequently used for boom trucks and outrigger pads. UHMWPE Material performs well in these high-stress applications due to its low friction coefficient and excellent impact strength. Outrigger pads can prevent cranes and boom trucks from slipping on unsteady construction sites. Furthermore, UHMWPE Material performs well outdoors since it can withstand a broad range of temperatures.

UHMW Polyethylene Body armor

It might surprise you to hear that impact resistance makes UHMW plastic the perfect material for body armor. Additionally, it is flexible and lightweight, which makes it pleasant to wear and allows it to be twisted into the various sizes and forms required to shape armor properly.

The advantages of UHMWPE include, but are not limited to:

• Excellent stress resistance and strong fracture resistance
• 15 times more resistant to abrasion than carbon steel in terms of wear resistance
• Its 40% stronger yarns than Aramid
• Its excellent chemical resistance makes it extremely resistant to the majority of alkalis and acids, organic solvents, degreasers, and electrolytic assault
• It is harmless.
• Outstanding dielectric characteristics
• Very low coefficient of friction and self-lubricating (comparable to PTFE)
• Non-staining
• Endorsed by the FDA for use in food and medicine
• Will float in water due to low specific gravity.

Although this can seem like the perfect material, there are a few drawbacks you need to be aware of. UHMWPE is not appropriate for high-temperature applications since it has a lower melting point (297° to 305° F) than several popular polymers. It also has a low coefficient of friction, which may be a disadvantage depending on the application.

Under steady stress, UHMWPE Material yarns can also experience &#;creep,&#; which is a progressive elongation of the fibers. Some individuals would see the cost as a drawback, but with UHMWPE, less really is more. Given this material&#;s robustness, you wouldn&#;t need to purchase as much as you could with other materials.

Still unsure if UHMWPE is the best material for your product? For the benefit of our clients, Service Thread creates and provides engineered yarns and sewing threads to address product and processing issues. We weave proactive, individualized service throughout all we do. Get in touch with us to learn which fiber is suitable for your application.

Final Thoughts

UHMW can be the ideal choice for you if you&#;re looking for a new abrasion-resistant plastic or need one that will last for a long period. Looking at a few of the practical uses that highlight these advantages can encourage you to choose UHMWPE Material for your upcoming project. Please visit the website of Petron Thermoplast and learn more about the product online.

Imagine a velvety, soft material that is extremely light, but also strong enough to stop a bullet. This is close to a description of ultra-high molecular weight polyethylene (UHMWPE), a super-plastic material commercially known as Dyneema or Spectra, which is already taking over from the para-aramid fibrous material, Kevlar, in e.g. bullet-proof jackets.

There is also much need for the super material in many other applications than body armour, and therefore researchers have now set up guidelines and failure maps for use of the material in joints with steel bolts. The research team is being led by Simon Skovsgård, Ph.D. and MSc in engineering at the Department of Engineering, Aarhus University, and Professor Norman Fleck at the University of Cambridge.

The results have just been published in the International Journal of Solids and Structures.

"The tests we've done showed that the material began to deform at the joints, but the fibres weren't broken. This is interesting in relation to other popular composite materials, such as carbon fibre composites, which snaps suddenly. Here, although we can tear the material, it's really difficult to actually break the fibres," says Simon Skovsgård.

UHMWPE consists of extremely long chains of polyethylene (PE). And these long chains strengthen the intermolecular interactions of the substance and enable the material to transfer stress loads effectively to the polymer skeleton.

This means that UHMWPE fibres have an incredibly high tensile strength compared to many other thermoplastics, and this also means that the material is much stronger than steel in the fibre direction. The tensile strength of high-strength steel is approx. 900 MPa, but in order to break the fibres in UHMWPE, you need approximately MPa.

"UHMWPE fibre plates are a collection of these incredibly strong fibres. It's almost impossible to extend and break the fibres, but if you twist or shear the material, it is soft. This combination makes it easy for the material to absorb energy," says Simon Skovsgård.

The new research results are good news for the commercial use of UHMWPE, which is increasingly being introduced in the shipping industry in containers, ropes and nets, as well as armour for vehicles and personnel and in the textile industry. So far, there has been no experience with using the material combined with other materials.

More information: S.P.H. Skovsgaard et al, Load transfer within the bolted joint of a laminate made from ultra-high molecular weight polyethylene fibres, International Journal of Solids and Structures (). DOI: 10./j.ijsolstr..08.014

Citation: New research identifies the strengths and weaknesses of super material (, October 1) retrieved 1 September from https://phys.org/news/-10-strengths-weaknesses-super-material.html

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