UHMWPE Pipes

UHMWPE Pipe: Durable & High-Performance

“Revolutionizing Industries with Unmatched Performance”

UHMWPE (Ultra-High Molecular Weight Polyethylene) pipe offers exceptional durability, high strength-to-weight ratio, and resistance to abrasion, corrosion, and chemicals. Ideal for various industries like power generation, mining, and chemical processing.

Basalt tile lined pipes are used in industries such as power generation, mining, cement, steel, and chemical processing for abrasive material transportation.

UHMWPE is produced by co - extruding materials with an average molecular weight of 3.5 - 9.2 million under high temperature and high pressure through an extruder.

UHMWPE Pipe has excellent properties: 15 times more wear - resistant than steel, 8 times lighter, with a 5 - times lower friction coefficient and 1/10 the pressure loss of steel pipes. It's suitable for various applications like powder and coal ash transportation in thermal power systems, tailings and mud transportation in mining, and more.

Is UHMWPE stronger than HDPE?

UHMWPE is more durable and abrasion - resistant than HDPE. Its long polymer chains make it harder to wear down and can outlast HDPE up to 10 times in high - wear situations. However, HDPE is easier to machine or weld.

What are the disadvantages of UHMWPE?

  1. Low Melting Point: Limits use in high - temperature applications.

  2. Limited UV Resistance: Susceptible to degradation under prolonged sunlight.

  3. Difficult to Bond: Requires special treatments or adhesives for bonding.

  4. Limited Wear Resistance in Abrasive Environments: May not perform as well as ceramics or certain metals.

  5. Not Suitable for High Load Bearings: Low modulus of elasticity can cause deformation under heavy loads.

  6. Difficult to Machine: High molecular weight and low thermal conductivity require special tools.

  7. Sensitive to Oxidation: Can lead to reduced mechanical properties at elevated temperatures.

  8. Water Absorption: May affect mechanical properties and dimensional stability.

Despite these, UHMWPE is still valuable for applications where its unique properties are beneficial.

Which is better, HDPE or UHMW?

The choice depends on the application. UHMW is better for industrial applications with friction or wear concerns, while HDPE is preferred for items shaped by welding or 3D printing, like chemical - holding tanks.

What is UHMWPE

What is UHMWPE?

Ultra-high molecular weight polyethylene pipe has superior performance over conventional HDPE pipe such as very high wear resistance, impact resistance, excellent resistance to internal pressure strength, resistance to environmental stress cracking, intrinsically self-lubricating, anti-adhesion, low temperature resistance and excellent chemical resistance.

Ultra-high molecular weight polyethylene (UHMW full name is ultra-high molecular weight polyethylene pipe) is a thermoplastic engineering plastics with an average molecular weight greater than 1.5 million, which is polymerized by ethylene and butadiene monomer under the action of a catalyst.

Ultra-high-molecular-weight polyethyene (UHMWPE,UHMW is a subset of the thermoplastic polyethylene. Also known as high-modulus polyethylene, (HMPE) it hasextremely ong chains, with a mo ecular mas usually between 3.5 and 7.5 mllon amu. The loner chain serves to traster oad more eflectively to the polymer backboneby strenothening intermolecular interactions. This results in a very tough matera, with the highest impact strength of any thermoplastic presently made.UHMWPE is odories, tasteless, and nontoxic.t embodles al the characteristics of hioh-density polyethylene (HDPE with the added traits of being resistant toconcentrated acids and aka ls,as wel as numerous oroanic so vents. t is hichy resstant to corosve chemicas except oxidizina acids: nas extremey ow moisturebosorption and a very ow coeticent of friction: is self-ubricating see boundary ubrication; and is hiny resistant to abraso, in some torms being 15 times moreesstant to abrason han caron stee. s ce cent of rcton s son tcanty ower than that o nwon and arela and s comnarahe to that at nowtetratuornetnuene(PTFE, Teflon), but UHMWPE has better abrasion resistance than PTFE.

Ultrahigh-molecular-weight polyethylene (UHMWPE) has been the material of choice for the polymeric component in total joint replacements primarily because of its excellent combination of wear resistance, structural strength and biocompatibility and remains the gold standard thus far. Nevertheless, wear of UHMWPE prostheses produces billions of submicron particles annually,1 which may cause a foreign-body response, leading to extensive bone resorption and gross loosening of the implants.2–5 UHMWPE wear is of particular concern for young or active patients who may face one or more revisions with accumulative bone loss in their lifetime. Thus, improving the wear resistance of UHMWPE and, thereby, reducing the volume of wear particles released to the periarticular tissues should reduce the adverse biological responses and substantially extend the clinical lifespan of total joint replacements.

Ultra-high molecular weight polyethylene is a polymer compound, which is difficult to process, and has excellent wear resistance, self-lubricating properties, high strength, stable chemical properties, and strong anti-aging properties. When it comes to ethylene, be sure to pay attention to these characteristics. The specific methods are as follows:

  1. Weighing rule: The product made of pure ultra-high molecular weight polyethylene has a specific gravity of 0.93-0.95, and the density is small, and it can float on the water surface. If it is not a pure polyethylene material, it will sink to the bottom.
  2. Temperature measurement: Pure ultra-high molecular weight polyethylene products will not melt at 200 ° C, will not deform, but will become soft. If it is not pure ultra-high molecular weight polyethylene material, it will be deformed at 200 degrees Celsius.
  3. Visual method: The true ultra-high molecular weight polyethylene surface is flat, uniform, smooth and the density of the cut surface is very uniform. If it is not pure polyethylene material, the color is dim and the density is uneven.
  4. Edge test method: The pure UHMWPE flanging end face is round, uniform and smooth. If it is not a pure polyethylene material, there will be cracks on the flanged end face, and the slag phenomenon will occur when the flanging is heated.

Due to its many excellent properties, UHMWPE has shown great advantages in the high performance fiber market, from mooring ropes in offshore oil fields to high performance lightweight composites, in modern warfare and aviation, Aerospace, marine defense equipment and other fields play a pivotal role.

  1. Ultra-high molecular weight polyethylene can be used as a lining for trailers, silos, and chutes for loading coal, lime, cement, mineral powder, salt, grain, etc., because it has excellent self-lubricating properties and non-stickiness. The above-mentioned powder file can prevent the adhesion scene from being stored and transported, and the guarantee is guaranteed.
  2. Ultra-high molecular weight polyethylene is used for liquid-supporting pipelines such as sand flow. Compared with other pipelines, the outstanding performance is as follows: the life expectancy is increased by 18 times compared with the bamboo tube, and the interest rate is reduced to 1/25, compared with the nylon tube. The number is increased by 3 times and the interest is reduced to 1/8. At the time of sponsorship, the inner barrier is 25% smaller than the non-metallic tube, which greatly increases the frequency of sponsorship.
  3. In the range of linings of chutes, buckets and ore compartments, when using traditional non-metallic documents, in cold and humid weather, the items will be thawed on non-metal, and the adoption of high-molecular polyethylene sheets will never , which greatly reduces the cost of unloading. After lining a layer of high-molecular-weight polyethylene sheet on the self-unloading leaker of the bulk carrier, the uniform unloading time was reduced from the original 16~20h to 8h.
  4. In the defense military equipment, due to its good impact resistance and greater energy absorption, it can be made into protective clothing, helmets and bulletproof materials in the military, such as helicopters, tanks and ships. Protective cover, missile cover, body armor, stab-resistant clothing, shield, parachute, etc.
  5. In aerospace engineering, due to its light weight, high strength and good impact resistance, it is suitable for wingtip structures, spacecraft structures and buoy aircraft of various aircraft. At the same time, it can also be used as a speed-reducing parachute for space shuttle landings and as a rope for hanging heavy objects on the aircraft, replacing traditional steel cables and synthetic fiber ropes, and its development speed is extremely rapid.
  6. In the civil field, ropes, cables, sails and fishing gears are suitable for marine engineering. The length of the break under self-weight is 8 times that of steel rope and twice that of aramid. The rope is used for fixed anchor ropes of supertankers, marine operating platforms, lighthouses, etc., which solves the corrosion and the corrosion and hydrolyzed degradation of the nylon and polyester cables caused by the corrosion of the steel cables used in the past. , the problem of frequent replacement.
  7. In industrial applications, it can be used as pressure-resistant containers, conveyor belts, filter materials, automobile buffer boards, etc.; construction can be used as wall, partition structure, etc., it can be used to strengthen cement composite materials to improve the toughness of cement. Improve its impact resistance. Due to its excellent wear resistance and impact resistance, it is widely used in the mechanical manufacturing industry to produce a variety of gears, cams, impellers, rollers, pulleys, bearings, bushings, bushings, shafts, gaskets, Mechanical parts such as gaskets, elastic couplings, and screws.
  8. In sports goods, helmets, snowboards, sail boards, fishing rods, rackets and bicycles, glides, ultra-lightweight aircraft parts, etc. have been made, which are superior to traditional materials.
  9. In medicine, it is used in the fields of tray materials, medical implants and plastic sutures. It has good biocompatibility and durability, high stability, no allergies, and has been used clinically.

Specifications of UHMWPE pipe

The specifications of Ultra-High Molecular Weight Polyethylene (UHMWPE) pipes can vary based on the manufacturer, application, and specific requirements. However, here are some common specifications that are often associated with UHMWPE pipes:

DN
mm
Wall thickness (mm)
0.6Mpa 0.8Mpa 1.0Mpa 1.25Mpa 1.6Mpa 2.0Mpa
65         8 9
96         9 10
110         8 10
130       8 10 12
159       10 12 15
168     8 10 13 16
205   8 10 12 15 18
219   9 11 13 16 20
236   10 12 14 18 22
250   10 12 15 19 23
273 9 11 13 16 21 25
280 9 11 14 17 21 26
300 10 12 15 18 23 27
315 10 12 15 19 24 29
325 10 13 16 19 24 30
350 11 14 17 21 26 32
377 12 15 18 22 28 35
400 12 16 19 24 30 36
415 13 16 20 25 31  
426 13 17 20 25 32  
536 16 21 26 23    
560 16 22 27 33    
630 19 25 30 37    
652 20 26 32 38    
710 21 27 34      
800 23 31 38      

Custom sizes available, where moulds already exist from 20-1400mm OD, up to 65 WT. Product can be manufactured in any colour, and to all conformance requirements.

What is UHMWPE used for?

UHMWPE has high wear-resistance, toughness, durability, and biocompatibility. Compare with existing plastic pipes, Wear resistant UNMWPE pipe has the most excellent wear resistance which is 4 to 7 times that of Q235 steel pipe and 2.7 times that of wear-resistant steel 16Mn. Therefore it increases pipe flow rate and improves the transmission efficiency of more than 20%. The working life of UHMWPE pipes is more than 3 times that of wear-resistant steel pipe.

Usage

Dredging

UHMWPE pipes are widely used in the industries of dredging, mining, metallurgy, electric power, oil, textile, paper, food, chemical, mechanics, gas, tunneling ect.

UHMWPE mining pipe

UHMWPE mining pipe

Mining tailings pipe is the tailings slurry discharged from non-ferrous metal ore beneficiation and ferrous metal ore beneficiation, which needs to be transported to the tailings inventory.

Easy-Flexible joint connection

UHMWPE Slurry Pipe

UHMWPE has the following impressive statistics: up to 15 times the abrasion resistance of steel while being 8 times lighter than steel and having 5 times lower coefficient of friction than steel and offering as low as 1/10 the pressure loss of steel pipes.

Easy-Flexible joint connection

Easy-Flexible joint connection

UHMWPE has the following impressive statistics: up to 15 times the abrasion resistance of steel while being 8 times lighter than steel and having 5 times lower coefficient of friction than steel and offering as low as 1/10 the pressure loss of steel pipes.

【H】 Ceramic lined pipe

Ceramic lined pipe is made through self-propagating high-temperature synthesis (SHS) technique.

【H】 Cast basalt lined steel pipe

Cast basalt lined steel pipe is composed by lined with cast basalt pipe, outside steel pipe and cement mortar filling between the two layers.

【H】 Ceramic Tile Lined Pipes

Ceramic tile lined pipes have very uniform coating of specially formulated ceramic material that is affixed to the inner of the pipe.

【H】 Rare earth alloy wear-resistant pipe

The material of the rare earth alloy wear-resistant pipe is ZG40CrMnMoNiSiRe, which is also the grade of rare earth alloy steel.

【H】 Tubes Erosion Shields

Tubes Erosion Shields are used to protect boiler tubing from the highly erosive effects of high temperatures and pressures thereby greatly extending tube life.

【H】 ASTM A213 T91 Alloy Tube

The ASTM A213 T91 seamless tubes are primarily used for boiler, superheater, and heat-exchanger.

The White Glove Service You Deserve

When you partner with Sunny Steel, you can stop worrying about meeting deadlines thanks to our responsive and timely service. You'll also say goodbye to unnecessary shopping around. Instead, you'll get white glove service from an expert who understands your needs and can get you the materials you need quickly.

application

Materials delivered on-time and at a fair price

application

No delays in production or manufacturing process

application

Meet engineering specifications to ensure top quality

application

World-class customer service ready to help