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                  Ultra High Molecular Weight Polyethylene Wear Resistant Pipe

                  Ultra High Molecular Weight Polyethylene Wear Resistant Pipe

                  UHMWPE <a href='http://www.2020bubvk.tw' target='_blank' style='color:#0000FF; text-decoration:underline;'>floating pipe</a>

                  Ultra High Molecular Weight Polyethylene(UHMWPE for short)wear reisistant floating pipe was extruded  out with 3.5~9.2  million  viscosity-average molecular weight material by extruding  machine in high temperature and pressure situation.  The UHMWPE wear resistant floating pipeline is widely applied in  the fields of hydraulic reclamation,dredging,  mine tailing,ash transporting and so on. 

                    UHMWPE wear resistant floating pipe Benefits:


                  1. High Wear Resistance

                   UHMW-PE has the best wear resistant ability among all the engineering plastics.  The higher molecular weight  of the material,  the more wear resistant of the pipeline. The UHMWPE pipeline  manufactured by Shandong Buoy&Pipe  Industry Co.,Ltd is 4~6 times higher in wear resistance than that of Q235 carbon steel and 2.7  times wear resistance  than that  of silicon- manganese 13 wear  resistant steel.The ultra high  wear resistant ability of  the material will prolong  the UHMWPE pipeline using life effectively.  

                   

                  2, Low Coefficient of Flow Resistance, Low Friction Resistance, High Transmission Efficiency


                  The internal wall of UHMWPE pipe is very smooth with little roughness and friction resistance. The roughness of UHMWPE pipe is only 0.0065 while steel pipe is 0.012. It can greatly improve transport efficiency and bring significant economic benefits.


                  Surface Comparison of UHMWPE and HDPE at 5000x magnification

                            


                  3.Easy Installation


                  The density of UHMWPE material is 0.945g/cm3, so the pipe is light in weight, which is easy for transportation and do not need large-scale mechanical construction.  The length of the UHMWPE pipeline is optional from 4.5~14m.  The above properties contribute to short installation period. 




                  4.Low Temperature Resistance

                  At the temperature of -70℃~80℃, UHMWPE pipe can work with normal excellent mechanical performance and offer long term working life. 




                  5. High Corrosion Resistance


                  UHMWPE pipe can resist corrosion to strong acid, alkali, salt, seawater, sewage and corrosive soil which can avoid losses caused by corrosion.



                  6.Non-toxic and Tasteless, High Environmental Friendly


                  Polyethylene is a kind of national certified and environmental friendly material and non-toxic. It will not be attached by shellfish,fungus and other microorganisms in the seawater or sewage. It will not have any scale and microbial growth without increasing the roughness which can guarantee the stability of flow medium.



                  7. Good long-term Comprehensive Benefit and Low Maintenance Cost


                  Comprehensive benefit is a kind of long-term benefit formed by a variety of factors like construction investment, installation costs, run maintenance costs, service life and energy saving, ect. The comprehensive benefit of UHMWPE pipe is very high, especially the diameter gets larger, its cost gets lower.


                  Technical comparison of UHMWPE and other material

                   

                  Item

                  Test Method

                  Unit

                  UHMWPE Pipe

                  HDPE Pipe

                  PA66 Pipe

                  PVC Pipe

                  Steel Pipe

                  Viscosity-average
                  Molecular Weight

                  ISO1628-3

                  104g/mol

                  500-1050

                  <50

                  Approx Melting
                  Temperature

                  ISO11357.3

                  136

                  129

                  255

                  160

                  1410

                  Water Absorption

                  ISO62-1999

                  %

                  <0.01

                  <0.01

                  3.8

                  0.5

                  Coefficient of Linear Thermal
                  Expansion

                  ISO11359-2

                  10-4/℃

                  1.5

                  1.2

                  0.8

                  0.9

                  0.17

                  Density

                  ISO1183-1-2004

                  g/cm3

                  0.935-0.945

                  >0.940

                  1.13-1.15

                  1.4

                  7.8

                  (0.45MPa)
                  Heat Deformation Temp at 0.45Mpa

                  ISO75

                  85

                  71

                  182-224

                  ≥54

                  1230

                  Tensile Strength

                  ISO527

                  MPa

                  >39

                  <25

                  61

                  40

                  550

                  Yield Strength

                  ISO527

                  MPa

                  ≥22

                  20

                  19

                  ≥245

                  Tensile Elongation

                  ISO527

                  %

                  ≥250

                  ≥350

                  60-300

                  60

                  20

                  Gap Beam Impact
                  Strength

                  ISO179

                  KJ/m2

                  No fracture

                  <27

                  5.9-10.8

                  <10

                  No
                  fracture

                  Rockwell Hardness

                  ISO2039-2

                  R

                  40

                  33

                  85-120

                  118

                  45(C)

                  Friction
                  Coefficient

                  ISO8295

                  0.05-0.11

                  0.28

                  0.37

                  0.4-0.6

                  0.58

                  Mortar WearIndex

                  1

                  10

                  5

                  10

                  7

                  Scaling

                  NoScaling

                  Slight

                  Slight

                  Slight

                  Heavy

                  Corrosion
                  Resistance

                  Excellent

                  Common

                  Common

                  Common

                  Bad

                  Engineering Construction Benefits of UHMWPE pipe:


                  1.High Efficiency of Construction


                  Traditional wear resistant steel pipe has a series of shortcomings like easy corrosion,heavy in weight, not easy to handle, low construction efficiency ect.; While UHMWPE wear-resistant pipe is lightweight, flexible, convenient in handling, transportation, installation and use, which make the construction efficiency improved greatly, and reduced the cost of transportation and installation.


                  2.Convenient and Quick Installation


                  Wear resistant UHMWPE pipe is connected by flanges and fastened by bolts and nuts, do not need the sealing pad, so it has fast connection, easy disassembly, high strength, good sealing and other advantages; the pipe joints need no anti-corrosion treatment, so the installation and maintenance costs have been greatly reduced, and economic efficiency improved meanwhile.



                  3.Low maintenance cost


                  UHMWPE pipe has excellent wear resistance, under the same conditions, the service life is much higher than the traditional steel wear-resistant pipe, which can effectively reduce the rolling over maintenance work, and extending the replacement cycle of the pipeline, reducing the overall cost of the project.

                  Wear resistant UHMWPE pipe has good resistance to adhesion, the pipeline is not easy to scale in its operation time, avoiding the pickling process during the time.

                  Wear resistant UHMWPE pipe has good corrosion resistance characteristics, the anti-corrosion maintenance can be exempted during the pipe service time.

                  UHMWPE floating pipe


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