40 . Typical Values. The maximum coefficients of friction for UHMWPE-1 and UHMWPE-2 are 0. Thickness ranges from . It has the same low coefficient of friction as standard UHMW while also offering slightly better wear resistance. Colors: White, Green and Customized. 930g/cm³. 02), and zero wear found by optical microscopy observations. 18 by adding only 0. It is one of the most wear-resistant plastics, and has toughness and impact resistance even at low temperatures. 75-. This Ultra High Molecular Weight (UHMW) Polyethylene will outwear all other materials, including metals, nylons, urethanes, and fluoroplastics. Low Coefficient of Friction. Can someone tell me the coefficient of friction between abs and delrin? I want something low. However, UHMW can provide maximum durability and resistance to chemicals or environmental stress cracking. 29 - - Ball indentation hardness 35 MPa 2039 -1 Shore hardness D 64 - 868 Thermal Properties Value Unit DIN/EN/ISO. 68 0. UHMW. J Mech Behav Biomed Mater. When considering the use of UHMWPE in total-joint replacement, there are several advantages. The UHMWPE has the lowest coefficient of friction among the polymers exhibited lower wear of the implant and risk to the patient (each year about 1. HDPE vs. UHMW possesses a unique combination of physical and mechanical properties which enable it to perform well under the most rigorous conditions. 12 0. UHMW-PE based products offer a host of exceptional attributes that include high abrasion resistance, low coefficient of friction and one of the highest impact strength ratings of any thermoplastic. 34e-4 - 3. The friction coefficient and specific wear rate were presented as a. It is categorized as an engineering material, and offers a unique combination of wear and corrosion resistance, a low-friction surface, and high impact strength. 96% for 720 h aging time and 80 °C. 05 N/mm2, v= 0. Therefore, it can be placed inside a patient without the human body reacting experiencing a negative action. UHMW (excluding reprocessed UHMW) has been approved by the Food and Drug. UHMW is an odorless, tasteless, and non-toxic material. 175 [34]. Furthermore, UHMWPE has a low coefficient of friction and a nonstick self lubricating surface. 2 0. – Extended Range High-Heat UHMW Sheet $ 437. Thus, UHMWPE has a wider. 12: against steel - static: 40 psi : 0. 19: 0. 0% untreated CNFs. A system in which f k = μ k N is described as a system in which friction behaves simply. 100 - 0. Extremely low moisture absorption. 6m/s 0. 8 1 PA 6/6 PA ‐ 6 POM H. UHMW is typically stocked in 48″ x 120″ sheets where PTFE comes in 48″ x 48″ plates. 1520 compliant , bearing grade with a built in dry lubricant that gives finished components a Coefficient of Friction (COF) reduction rate of up to 80%. 15 on this metric. 3 is it clear that for pv ≈ 0. Translucent, 10. Ultra High Molecular Weight (UHMW) Polyethylene combines a low coefficient of friction with excellent abrasion resistance to excel in a wide variety of sliding applications. Ultra-High Molecular Weight Polyethylene (UHMWPE) is used in biomedical applications due to its high wear-resistance, ductility, and biocompatibility. UHMW-PE with low coefficient of friction, electrical conductivity and silicone free. The exceptional hardness and slick. 60-Bronze: Cast Iron . Product Introduction. While polytetrafluoroethylene (PTFE, Teflon) is normally regarded as having a lower coefficient of friction versus UHMW, IPX UHMW has a comparable coefficient at . mg cos θ. The results show that the friction coefficient of the fiber-UHMWPE composites is lower than pure UHMWPE, with a minimum value of 0. When angle amplitudes are ±5°,. In addition, it is abrasion, impact, and corrosion resistant and is self-lubricating. 2 and 3. 6e-4: strain/°C: 130 - 200: µstrain/°F. Higher wear resistant then Delrin and about the same coefficient of friction as Teflon. In food processing applications UHMW is and excellent choice for applications where strong smells or discoloration from food is an issue. Dynamic Coefficient of Friction (-) ISO 7148-2 (18) 0. This advanced product uses oil filled polymers to lubricate mating surfaces with a dynamic coefficient of friction formula of less than 0. Its strength and ability to resist wear and tear can, in some cases, outperform. Coefficient of Friction, Static : 0. The coefficient of friction of aged UHMWPE specimens for different aging periods is shown in Figure 4. UHMWPE pipes have reduced coefficient of friction, improved abrasion resistance, lower wear rates over conventional HDPE pipes such as PE100. More economical that PTFE tapes. FMorin (Mechanical) (OP) 12 Feb 05 13:57. Wear coefficient of UHMWPE as function of pv for friction pairs with steels of different grades: 45 steel (⚪); 18X2H4MA steel. Industrial Belting on UHMW-PE . In order to find the friction force, μ has. Dynamic friction coefficient curves exhibited HDPE vs UHMW Friction. 87 and 0. 2The friction and wear behavior of ultra-high molecular weight polyethylene (UHMWPE) sliding against GCr15 steel and electroless Ni-P alloy coating under the lubrication of seawater was investigated and compared with that under dry sliding and lubrication of pure water and 3. 2 to 1. Texturing of UHMWPE in lubricated contact with an AISI 316L ball increases friction. 25 . 15-. A spray-painted pure GNP layer decreases the friction coefficient by a 40–50%, but the layer adhesion and. UHMW PE is processed by compression molding or ram extrusion into sheets, plates or rods. 76 0. PTFE can only handle about 1/5th the load of UHMW. In their reciprocating friction test, the friction coefficient was increased from 0. 13 . The coefficients of friction of UHMWPE against Si 3 N 4 ball in eight-figure sliding track under plasma lubrication locate at the range of 0. A vaclue of 100 was designated for the amount of volumetric abrasion. 10 - 0. Regards, Peter P . Exact values tend to vary between manufacturer and grade, but UHMW is generally lower, with an average value of around 0. Interstate Plastics provides many grades of UHMW-PE (ultra high molecular weight polyethylene) for a variety of wear, friction, and high-impact related applications from guard rails and wear strips to power. Coefficient of Friction, Plastics to Steel Static 0. Its coefficient of friction is significantly lower than that of nylon and acetal and is comparable to that of polytetrafluoroethylene (PTFE, Teflon), but UHMWPE has better abrasion resistance than PTFE. 5 MPa) depending on the ionizing radiation dose of PE-UHMW (in the range 25-250. Five. It has extremely low moisture absorption and a very low coefficient of friction. Select options; Tivar® H. Friction coefficient versus friction time curves of the UHMWPE/HDPE and the nanocomposites with untreated CNF. TIVAR Cestigreen UHMW-PE is a permanently static dissipative material with extremely high molecular weight. UHMWPE liners. It's the reason that the data found in the many reference tables available may show a large. This grade is often. Polyethylene PE500-1000 (UHMWPE) Sheet to solve friction, wear and material flow problems in many areas of industry. The OMEGA- ULTRA® UHMWPE is defined as polyethylene whose molecular weight is 3,100,000 or higher. UHMW is used in: Knee,. Nylon, Acetal - for bearing and wear applications. It looks like the coefficient for HDPE is . Low coefficient of friction; Corrosion, abrasion, wear and impact resistant;. UHMW Reprocessed is also self-lubricating with an extremely low coefficient of friction. Applied normal loads were 203 N; *applied normal load was 122 N. 11, and it has good self-lubrication. 12: against self - dynamic: 40 psi/50fpm : 0. 15-0. 5 10-4: UHMW Electrical Properties. 6 g and 3. Due to an extremely low coefficient of friction, its inherent lubricity minimizes heat-generating friction that tends to. It can be easily machined for augers, bushings, and more. UHMW Polyethylene. Due to its low coefficient of friction, parts made from UHMW will also produce less noise when in motion. Reprinted with permission from [88]. UHMW, also known as UHMW-PE (Ultra High Molecular Weight Polyethylene), is a semi-crystalline thermoplastic material, with a continuous use temperature range of up to 180° F (82° C). 07 and became more stable during the. For pipe sizes of 1. 19 vol. 19: Brass: Cast Iron . 2. It has all of the properties of high-density polyethylene (HDPE), the ability to withstand intense acids and alkalis, and a variety of organic solvents. 04-. This characteristic was also found in total hip replacement by Wang et al. 20 dynamic and complies with FDA, USDA,. [10] studied the effect of surface texturing of UHMWPE, acting as a bearing material lubricated with distilled water, on the coefficient of friction, µ, under high applied loads, L, and low sliding-rolling ratios, SRR; however, such conditions, did not correspond to those of the walking cycle for a commercial model of knee prosthesis. 59 0. However, UHMW will be the preferred material where greater resistance to impacts is desired. 64 – $ 5,251. 15-. PTFE is more slippery than UHMW (despite both having a low coefficient of friction) UHMW has far better wear properties than PTFE. 32 to ∼0. 03. 45 – 0. There is a need for UHMW-PE with low friction properties and electrical conductivity in the automobile production industry. TIVAR®1000 UHMW TIVAR®1000 UHMW is an excellent general purpose wear material that meets FDA, USDA, & 3-A Dairy guidelines for pharmaceutical processing and food contact applications. PTFE and PE Wax show a low initial coefficient which quickly increases. La. 189, 0. Reduces coefficient of friction in finished components by up to 80%. Coefficient of Friction, Static - - 0. The considerably lower coefficient of friction of LubX® eliminates the possibility of the slip-stick effect (backsliding) almost completely and thus increases process stability. Uhmwpe Coefficient Of Friction (245 products available) Low coefficient of friction high molecular raw material UHMWPE Powder for UHMWPE washer $2. Call: 01992 515880. Variation of coefficient of friction with surface roughness under (a) dry and (b) lubricated conditions. A subset of the thermoplastic polyethylene, UHMW (aka UHMWPE) is characterized as one of the miracle polymers of the 20th century. Coefficient of linear thermal expansion (-40 to 150 °C) (-40 to 300°F) ASTM E-831 (TMA). 020 in. UHMW Mechanical Properties Comparison of dynamic coefficient of friction on polished steel PROPERTYThere are a few standout tests that have lower friction coefficients and seem to increase with pressure (the off-axis cases involving a short 45°- bottom uncoated strip on a 45° or. Its coefficient of friction is comparable to that of PTFE (Polytetrafluoroethylene) but it has. Providing abrasion resistance, anti-stick, and anti-friction at temperatures up to 225F, this product is suitable for lining chutes and conveyors. 2 (b) demonstrated that the friction coefficient of aged UHMWPE varied from 0. Saikko [33,34] confirmed that the friction coefficient of UHMWPE decreased exponentially with increasing contact pressure in the range of 1–10 MPa. Coefficient of friction Compression set after 24 hr at 175C % Compressive modulus GPa Compressive strength MPa Elongation at break % Hardness - Rockwell -1 Izod impact strengt h J m-1 Poisson's ratio Tear strength N mm Tensile modulus GPa Tensile strength MPa Polypropylene PP 13-16 0. % UHMWPE in polyester resin brought down the value of μ to nearly half to that of polyester resin and 1/3rd of cotton polyester. The friction coefficient of virgin UHMWPE was 0. 11, and it has good self-lubrication. Stellit balls or ZrO2 balls Figures - available via license: Creative Commons Attribution 3. It is typically used in chain guides, wear rails, chute liners, truck liners, hopper liners, and other high wear applications. 75. 22:. Available Geometries. The coefficients of friction between yarns were tested by means of Capstan method. For different friction coefficient ratios of dual mobility hip implant, (1) contact pressure and contact area varied with applied loads. A higher load will destroy the colloidal anti-friction layer. 5 yrs CN Supplier . 15 -0. Other than these, UHMWPE’s excellent biocompatibility, self-lubrication, low moisture absorption and coefficient of friction make it one of the best choices for biomaterial implants . 16,17 The mean coefficient of friction (COF) (f av) represents the average value calculated from the data of the second half of the experiment. 300: 0. The friction coefficient value changes not only with material but also with the position and. UHMW PE, Static Control. When the object is not moving there is static friction. UHMWPE has no odor, no taste, and is harmless. Recommend testing. UHMW Guide Rail. 14. UHMW’s coefficient of friction is also quite low. The low friction coefficient and high abrasion resistance of UHMW-PE provide an ultra-smooth surface for the vessel to berth easily along. 20-. The coefficient of friction, with glass, of the coated rubber sheet was measured. Excellent abrasion resistance and wear characteristics. 6 – 0. Coefficient of Linear Expansion: -200 to -100°C: D696: K-1 ~0. 1 to 0. Low coefficient of friction Moisture resistance applications Tanks and containers Food storage containers Laboratory equipment Disposable formed products Surface structures Vacuum formed end caps and tops Moisture barrier TYPICAL PROPERTIES of POLYETHYLENE ASTM or UL test Property LDPE HDPE UHMW PHYSICAL D792. The variation of friction coefficient and wear loss with test time for UHMWPE composites under dry sliding and water sliding is shown in Figure 2. The data was fitted to a. With TIVAR® Oil Filled, conveyors operate more. Its UPMW-PE (ultra-high molecular weight polyethylene) thermoplastic backing enables its low-friction and resistance to chemicals, abrasion, and vibration in demanding situations. Length, width, thickness, and diameter tolerances vary by size, by manufacturer, brand, and grade. Ultra-high molecular weight polyethylene (UHMW-PE) is defined as polyethylene with a molecular weight of 3. Coefficient of friction, ASTM 1894 metal= Rz 2,5 V, Pm= 2 N/mm2 V= 150 mm/min Shore-hardness, 3-s-value 6mm ate Water absorption Flammability Method ASTM 0792 ISO 1183-1Fig. Trelleborg's FQ1000 ultra-high molecular weight polyethylene (UHMW-PE) is the first choice material for facing steel fender panels and other heavy duty applications. conductivity of the UHMW PE assuming similar. P PBT UHMW PTFE ABS PC PPO PSU PEI PEEK PPS PAI PI HDPE PP PVC Coefficient of Friction (Lower has less friction) 0 2 4 6 8 10 12 14 16 PA 6/6 PA 6 POM H ‐ C PET ‐ P PBT UHMW PTFE ABS PC PPO PSU PEI PEEK PPS PAI PI HDPE PP PVC Impact Strength (Ft. Surface Condition Force Applied Coefficient of Friction 1 Wet Rubber 37. 60-Rubber (60 A Belt) Urethane 80A . 28 Coefficient of Friction, Plastics to Plastic Static 0. It is inert meaning that it doesn't react to many chemicals. Most material orientation cases have a static coefficient range of 0. 8Mpa (264psi) D648 °F 116. The results of the friction coefficient measurements are presented in Figure 15. These sheets are ideal for food, medical and cleanroom applications. 35. Please ask your Curbell Plastics representative for more specific information about. g. Steady-state coefficient of friction (COF) for CoCrMo or Ti6Al4V pin-like specimens against UHMWPE flat surfaces in Ringer’s solution at 37 °C (Fn = 30 N, L = 4 mm, frequency = 1 Hz and time = 3600 s). UHMWPE wear-resistant guide wheels are made of UHMWPE material, which has an extremely low coefficient of friction and excellent sliding properties. People often mistake the coefficient of friction μ for the frictional force F f . e. 03. 2 (but can vary with surface finish and speed). 76 Dynamic 0. The average price for HDPE is roughly $1. 5 inches and lower a UHMW pad of 3 mm thickness and for pipe sizes NPS 2 inches and higher a UHMW pad of minimum thickness of 6 mm is used in between pipe support and secondary structural member for isolation purposes and friction reduction. 03-0. X-LINKED or CROSS-LINKED UHMW is 60% better than VIRGIN UHMW in sand slurry abrasion tests, has a lower coefficient of friction and UV stabilization for outdoor use. 71 0. UHMW has surface and chemical properties that are rare to find in high-performance polymers. LubX® C is a specially formulated high-performance material that is a mixture of UHMW Polyethylene with added solid lubricants to reduce friction. Superior sliding performance and high limiting pressure velocity. Reprocessed UHMW – Polystone® M Reprocessed offers an economical UHMW solution with a low friction coefficient and superior wear resistance, perfect for applications demanding high durability and. This property allows it to be used as containers and pipelines for reactive chemicals. UHMW-PE with low coefficient of friction and electrical conductivity. 25 1 4 1 4X48 X96 1. For instance, a large aluminum block has the same coefficient of friction as a small aluminum block. Polyurethane’s Coefficient of Friction is similar to that of rubber. The friction coefficient of the chain guide is small, only 0. 1 m/s. Friction responses of the diamond scratch. 40 . UHMW is an odorless, tasteless, and non-toxic material. Excellent abrasion resistance and wear characteristics. . 8 g. 10b). It can also be customized according to your requirements. Considering the porosity, mechanical properties, and friction coefficient, the optimal process parameters of the UHMWPE porous material were as follows: The sintering temperature was 180 °C or 190 °C, and the charging amount was between 3. 35 TYPICAL PROPERTIES OF ACETAL Values may vary according to brand name. Testsamples arespunforatotalof7 hoursat1,750rpmina water-sandmixture. I'll rather test after having a good approximation of the process. The friction coefficients of UHMWPE/PMF-2. The UHMWPE coating (thickness = 27 ± 2 µm) was very effective in reducing the coefficient of friction rom 0. COEFFICIENT of FRICTION (DRY) against self - static: 40 psi : 0. UHMW=100: Minimum Mating Surface Hardness : 20: Rockwell (Brinnell) Coefficient of Linear Thermal Expansion: E-831 (TMA) 4. Though the friction coefficients of the materials are well distinct, all polymers exhibit a similar behavior, with a change in the friction force less than proportional to the applied load, resulting in a decrease of the coefficient of friction as pressure increases. Reduces maintenance and downtime in high-precision applications. 40 . toughness, the low coecient of friction of UHMWPE yields a self-lubricating, nonstick surface. Coefficient of friction: It is difficult to beat PTFE on this parameter, although UHMWPE comes fairly close. Acetal (brand name Delrin) does pretty good In all these categories. 5 – 0. The friction coefficient in general can be reduced by (i) introducing lubricant between two surfaces, (ii) changing the nature of sliding friction to rolling friction using ball bearings, and (iii) reducing the normal force. Introduction. B Trouble understanding what rolling friction is. PTFE is substantially much more expensive than UHMW. Generally, the UHMWPE panel set in front of the steel panel. PTFE can only handle about 1/5th the load of UHMW. The initial friction coefficient of UHMWPE/Al 2 O 3 friction pair in dry friction, saline and distilled water lubrication conditions is higher and quite identical, and in plasma lubrication condition, the initial friction coefficient is the lowest. 25 : Maximum Static Bearing Load (P) PTM 55007:. g. Ultra High Molecular Weight. , rubber on pavement. UHMW has surface and chemical properties that are rare to find in high-performance polymers. It is odorless, tasteless, and nontoxic. UHMW’s host of exceptional attributes such as high abrasion resistance, low coefficient of friction and unparalleled impact resistance, even in cryogenic environments, make it a favorite. Under water sliding condition, the friction coefficient of the UHMWPE. To further strengthen these properties, different types of micro/nanofillers such as carbon nanotubes, nanoclay,. 46 with increasing depth, but the static friction coefficient increases only from ∼0. 0. 1 under oil lubrication. 21-Bronze Sintered : Steel-. 20 IZOD impact strength 73°F KJ/m. Price Add to Cart; Item 45714. Aug 19, 2022; Replies 9 Views 693. It was found that physical properties increased rapidly as lower molecular weight values increased and then leveled off at this value. The coefficient of friction would be determined by the force required to move the block divided by the weight of the block as measured with gravity. Low moisture absorption Coefficient of Friction (on steel, static) Coefficient of Friction (on steel, dynamic) Continuous Service Temperature Hardness, Shore D UHMW is a tough, wear resistant mechanical plastic that combines an incredibly low coefficient of friction with outstanding impact strength at low temperatures, ideal for reducing wear and friction in Coefficient of friction Compression set after 24 hr at 175C % Compressive modulus GPa Compressive strength MPa Elongation at break % Hardness - Rockwell -1 Izod impact strengt h J m-1 Poisson's ratio Tear strength N mm Tensile modulus GPa Tensile strength MPa Polypropylene PP 13-16 0. The chain's coefficient of friction differs by type of chain, by material, and by type of roller; it is shown in the manufacturer's catalog. 16: Cadmium: Cadmium. Learn more at Curbell Plastics. There are so many differences between the products that a list is the best way to explain: PTFE is substantially much more expensive than UHMW. 1-800-553-0335 Ask a Plastics Expert Locations Sign In Cart (0) There are so many differences between products that they are best described in the list. Figure 6 shows that the time-varying curves of the swing and composite motion friction coefficient of CoCrMo/UHMWPE contact pair in 25% bovine serum. Coefficient of Friction (COF) between Chain and Wearstrips 0. Tensile Strength: 3,100psi; Flexural Modulus: 110,000psi; Coefficient of Friction: 0. Redco™ UHMW is proven to outlast mild and hardened steel by as much as 10 to 1. Both materials have a lower friction coefficient than many metals, such as stainless steel. 76 3 Wet Rubber 38. TIVAR® 88 plastics are alloyed to enhanced performance properties and tailored for specific applications within the bulk material handling industry. The coefficient of friction of aged UHMWPE specimens for different aging periods is shown in Figure 4. Low Coefficient of Friction Reprocessed UHMW is used in applications where high levels of friction are likely to arise including conveyor guard rails, augers and wear strips, belt scrapers, chain guides, and idler. UHMW-PE has a coefficient of friction of 0. will deliver for you. UHMW machining produces parts with exceptional abrasion and impact resistance suitable for a wide range of applications. They have values of friction coefficient for HDPE and UHMWPE . Buy Uhmw Coefficient Of Friction China Direct From Uhmw Coefficient Of Friction Factories at Alibaba. UHMW is often used in the manufacturing of food processing equipment, conveyor systems, medical devices, and other industrial. The design requirements for these parts have four slides supporting a total of 200 lbs and sliding at a maximum rate of 1 FPS for short bursts. 5. More than 20 vol. Because there are so many influencing factors that are not mutually independent, it is not possible to quote exact values for the coefficient of friction. ofGAR-DUR®UHMW isclearlydemonstrated bymeasuringitslossof volume against other materials. It has extremely long chains, with molecular weight numbering in the millions, usually between 2 and 6 million. 44 0. 1-0. Melting Point D3418 °F 275° Maximum Service Temperature, Air - °F 180° Deflection Temperature at 1. This tape line is designed for mechanical applications where high abrasion resistance and a low coefficient of friction is required. UHMW Applications Typical applications include gears, springs, plates, bushings and housings. It could be seen that the friction coefficient of UHMWPE under dry sliding is about 0. Ultra high molecular weight (UHMW) polyethylene (PE) combines outstanding abrasion resistance and low coefficient of friction with outstanding impact strength. Table 1. Comparison of Dynamic Coefficient of Friction on Polished Steel. Coefficients of friction between materials are best determined through. 44 Thermal Properties DSC Melting Point Homopolymer 320 - 329 °F 160 - 165 °C Copolymer 275 – 318 °F 135 – 159 °C Specific Heat (@ 23°C) 70 -80 J/°K/mol The dynamic friction coefficient increases from ∼0. 30 QTM 55007 (20)Test No. Uhmw High Density Polyethylene. Even though the UHMWPE reveals a low friction against CoCrMo or Ti6Al4V, wear of UHMWPE is unavoidable as shown in the. coefficients UHMW Solid Lubricant E 500E 1000E 1200M-S COEFFICIENT OF FRICTION (AVERAGE) E 500E. Under water sliding condition, the friction coefficient of the. In stock. A subset of the thermoplastic polyethylene, UHMW (aka UHMWPE) is characterized as one of the miracle polymers of the 20th century. 20 static, . 87 and 0. f s ≤ μ s N, 5. All of these grades hold many different properties which make PE a highly sought after material for a variety of applications. The current study found that adding 10% recycled silicon to PEEK decreased the rate of wear to 0. 96% for 720 h aging time and 80 °C aging temperature. TIVAR® DrySlide is a UHMW-PE product with an internal lubricant built into the polymer matrix with higher molecular weight. Both materials are commonly used in industrial applications such as gears, bearings, and wear strips. 13 to ∼0. 09, measuring almost as low as PTFE's coefficient of . 77 4 Wet Rubber 38. Material must be salt water and grease/oil resistant. 20 . The coefficient of friction is not a function of mass or volume. This self-lubricating polymer has excellent chemical resistance and a broad temperature. 500 Uhmw 0. UHMWPE pipes have reduced coefficient of friction, improved abrasion resistance, lower wear rates over. Because of its low coefficient of friction, UHMW-PE is self-lubricating; it replaces unwanted grease and oil in many applications such as bearings and conveyors. 5 µm • Test condition: – 1x106 cycles, 15 cm/s, Max Hertzian pressure = 12. grade UHMW, providing excellent value when it comes to applications that do not require FDA approval. g. It has extremely low moisture absorption and a very low coefficient of friction. 20 . UHMW PE, Oil Filled. The high molecular weight enhances a number of important physical properties, not the least of which are outstanding abrasion resistance, high impact strength and a low coefficient of friction. Alternative Materials to HDPE and. 1-800-553-0335 Ask a Plastics Expert Locations Sign In Cart (0)Ultra-high molecular weight polyethylene (UHMW) is a tough, abrasion-resistant thermoplastic with a molecular weight of greater than 3 million. 20 static, . High temperature resistance. In comparison with other polyethylene, UHMWPE has lower coefficient of friction [5] [6] [7], higher mechanical strength [8,9] and abrasion resistance [10][11][12]. 3 Measurement of the Surface Temperature 5. 20 . Even though GAR-DUR® UHMW is. P PBT UHMW PTFE ABS PC PPO PSU PEI PEEK PPS PAI PI HDPE PP PVC Coefficient of Friction (Lower has less friction) 0 2 4 6 8 10 12 14 16 PA 6/6 PA 6 POM H ‐ C PET ‐ P PBT UHMW PTFE ABS PC PPO PSU PEI PEEK PPS PAI PI HDPE PP PVC Impact Strength (Ft. 2 The friction and wear behavior of ultra-high molecular weight polyethylene (UHMWPE) sliding against GCr15 steel and electroless Ni-P alloy coating under the lubrication of seawater was investigated and compared with that under dry sliding and lubrication of pure water and 3. PTFE is slippery than UHMW (although both have a lower coefficient of friction) UHMW has much better wear properties than PTFE. 10-. Call 800-367-9122. With our ultra-precise cutting tools and decades of experience, Reading Plastic can deliver the high-quality parts you need right on time. While it has a significantly lower coefficient of friction than acetal, it doesn’t boast the same creep resistance. Higher temperature and friction coefficient for UHMWPE and HDPE were evident when sliding took place against Al counterface. Suitable for machining and fabrication. This product is FDA and USDA compliant for food contact. Dynamic friction coefficient (COF) of the reciprocating sliding contact of the conventional UHMWPE, was investigated in four different environments (dry contact; distilled water; pure Ringer's solution and with PMMA particles), at five values of low normal load (0. T. Materials: Virgin UHMW PE. 20 .