COMPARISON OF DYNAMIC COEFFICIENT OF FRICTION ON POLISHED STEEL PROPERTY UHMW-PE ULTRA AR ULTRA ARS NYLON 6 NYLON 6/6 NYLON /MoS2 PTFE ACETAL. (c) Friction coefficient of UHMWPE-SiO 2 coated PPTA fiber as a function of initial indentation depth ranging from 300 nm to 1500 nm. 0 wt%, and UHMWPE/PMF-20. According to research, the co-efficient of dynamic friction of ultra high density polyethylene under dry conditions is around 0. High-Bond Low-Friction UHMW Tape. 21-Bronze Sintered : Steel-. com. It is odorless, tasteless, and nontoxic. Extremely low moisture absorption. 15-. Dynamic friction coefficient curves exhibited HDPE vs UHMW Friction. 10 - . 0% untreated CNFs. Testsamples arespunforatotalof7 hoursat1,750rpmina water-sandmixture. Suitable for machining and fabrication. Static and dynamic coecients of friction are signicantly lower than steel and most plastic materials (Table 1). (UHMWPE) microparticles on the tribological performance of high-strength glass fabric/phenolic laminate composite. 50. 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. The significant reduction in wear rate of UHMWPE modified polyester-cotton composite has been discussed with the help of SEM observations of worn surfaces and coefficient of friction. 2 to 1. 01 µm, disk = 0. 2 LOCKED-WHEEL BRAKING TESTS Coefficients of friction were determined from the VericomTM VC2000 data for each upgradeBy increasing load from 50 to 150 N, i. UHMW machining produces parts with exceptional abrasion and impact resistance suitable for a wide range of applications. 32 to ∼0. Under laboratory conditions, however, it. Coefficients of friction of UHMWPE against Co-Cr alloy under very high contact pressure such as 40–80MPa in the lubricated condition were so low as to induce no clinical problem at the bearing surface. For pipe sizes of 1. – Extended Range High-Heat UHMW Sheet $ 437. LubX® C is a specially formulated high-performance material that is a mixture of UHMW Polyethylene with added solid lubricants to reduce friction. Fig. 5 Coefficient of friction (dynamic) 0. The additives used also make this material static dissipative and. At the same time, HDPE is notable for its impressive strength-to-density ratio. 17 : Coefficient of Friction (Dry vs Steel) Dynamic. Even though GAR-DUR® UHMW is. To illustrate this concept, two examples are included. Providing abrasion resistance, anti-stick, and anti-friction at temperatures up to 225F, this product is suitable for lining chutes and conveyors. ofGAR-DUR®UHMW isclearlydemonstrated bymeasuringitslossof volume against other materials. Rolling contact fatigue. This tape line is designed for mechanical applications where high abrasion resistance and a low coefficient of friction is required. Aluminum: 1. The friction coefficients of UHMWPE rubbing with the two-step ion implanted Ti6Al4V alloys are much lower than those of rubbing with the un-implanted specimens. 28 0. Polystone ® M is a highly versatile polymer that can be designed and formulated to meet your industrial needs. The average friction coefficient of the untreated skis of 0. 12 to 0. In stock. Excellent abrasion resistance and wear characteristics. In new applications, the use of UHMWPE liners can make the angle of the. 21 (wet) Brass: Steel. In the testing duration, the coefficients of UHMWPE samples corresponding to molding pressure of 15. 1 m/s. UHMW-PE has a recommended service temperature of about 180°F. The mean coefficient of friction of the UHMWPE-on-PEEK and UHMWPE-on-cobalt chrome bearing couples with respect to increasing protein concentration is shown in Fig. High temperature resistance. UHMWPE wear-resistant guide wheels are made of UHMWPE material, which has an extremely low coefficient of friction and excellent sliding properties. Stocked as sheets, rods, tubes and profiles, it can be machined for your specific application. coefficients UHMW Solid Lubricant E 500E 1000E 1200M-S COEFFICIENT OF FRICTION (AVERAGE) E 500E. The coefficient of friction is a number that describes the interactions between the surfaces, it is not a force. 20 dynamic and complies with FDA, USDA, EU10/2011 standards. Comparison of Dynamic Coefficient of Friction on Polished Steel. The wear behaviour of UHMWPE sliding against AISI 431 martensitic stainless steel, in the absence of abrasive particles, was investigated during a series. Product Information. toughness, the low coecient of friction of UHMWPE yields a self-lubricating, nonstick surface. 0: in/in/°F x 10-5: Melting Point (Crystaline Peak) 279-289 °F: Volume Resistivity >10 15: ohm-cm: Surface Resistivity >10 15: ohm-cm: Water. 1. 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. 15 - . Because of its high melt viscosity, conventional. Figure 8. 302. Concrete (Wet) Rubber. 05, while the friction coefficient increased slowly as CNTs were added from 0. 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. The standard method of deriving CoF values for thermoplastic materials is the ASTM D3702, which makes it possible to compare materials and predict their wear performance. 6e-4: strain/°C: 130 - 200: µstrain/°F. UHMW. It could be seen that the friction coefficient of UHMWPE under dry sliding is about 0. J Mech Behav Biomed Mater. 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. ISO. UHMW Applications Typical applications include gears, springs, plates, bushings and housings. % NaCl solution, respectively. Outstanding impact strength, even at low temperatures. Nolu-S is a unique compound of UHMW and a solid lubricant. As a premium lubricant-filled grade that offers low moisture absorption, and excellent chemical resistance, TIVAR 88-2 UHMW-PE. Redco™ UHMW is highly durable and available in a wide variety of formulations and grades. grade UHMW, providing excellent value when it comes to applications that do not require FDA approval. Coefficient of Friction, Plastics to Steel Static 0. 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. 20-. e. 17 - . This product maintains all of the performance properties of the standard low coefficient of friction material. 1 Coefficient of Friction. [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. 010” up to 12” thick plate and rod from ¼” diameter to 12” diameter. These attributes make them ideal for tough impact wear or. 020 in. 30 : Coefficient of Friction (Dry vs Steel) Dynamic: PTM 55007: 0. UHMWPE panel is also called PE pad, face pad, and plastic pad in some areas. It was found that physical properties increased rapidly as lower molecular weight values increased and then leveled off at this value. The Food and Drug Administration has approved natural virgin UHMW for use in the food. The high molecular weight is what gives UHMW-PE a unique combination of high impact strength efficient of friction and abrasion resistance that outwears carbon steel 10 to 1 making it more suitable for applications where lower molecular weight grades fail. 4 MPa m/s and pv ≈ 1. Can someone tell me the coefficient of friction between abs and delrin? I want something low. UHMW also replaces metal in many applications. Coefficient of friction 73°F – – Static . Price Add to Cart; Item 45714. 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. Manufacturer of UHMW Sheets & Rods - UHMW Sheet, UHMWPE Rod, UHMWPE Sheet and Uhmwpe Plastic Sheets offered by Rajdeep Associates, Bengaluru, Karnataka. Low coefficients of friction, wear resistant plastic materials – e. It is very resistant to most chemicals, UV radiation, and micro-organisms, but doesn’t have the same creep resistance as Delrin. Apart from the sand slurry test, there is the taber abrasion test. Nonstick surface. The basic chemical unit of UHMWPE is-CH2-. 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/molTIVAR Oil-Filled UHMW-PE is an ultra high molecular weight polyethylene material that truly lives up to the self-lubricating description. Help Global Buyers Source China Easily. While it remains true that the coefficient of friction between PTFE and polished stainless steel is the lowest between two known solids (0. . Static and dynamic coecients of friction are signicantly lower than steel and. The UHMWPE commercially used in the disc SB Charite III is of the approved standard ISO 5834/11 and ASTM F 648–83 . % UHMWPE in polyester resin brought down the value of μ to nearly half to that of polyester resin and 1/3rd of cotton polyester. Do you have any info on the creep properties of UHMW? ThanksUsed often for its abrasion resistance, this property is enhanced by the fact that UHMW has a coefficient of friction second only to that of PTFE,. 0. 04. Ultra-high-molecular-weight polyethylene (UHMWPE) is a semicrystalline polymer with a long history of use in orthopaedic applications, most notably in acetabular liners for THR implants. The total wear volume of TPU with 70 A hardness was 45. UHMW is a tough, wear resistant plastic that combines an incredibly low coefficient of friction with. 28 vs . The current study found that adding 10% recycled silicon to PEEK decreased the rate of wear to 0. Ff = frictional force (N, lb) μ = static (μs) or kinetic (μk) frictional coefficient. 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. The coefficient of friction (COF) was increased up to 65. The extraordinary durability and versatility of UHMW-PE is used by designers and engineers in many industries worldwide. Colors: White, Green and Customized. 2 (b) demonstrated that the friction coefficient of aged UHMWPE varied from 0. 0. Low Coefficient of Friction and Good Abrasion Resistance 3M™ UHMW Film Tape 3965 is often used in general industrial applications to help control squeaks and rattles due to vibration or wear of metal and plastic materials. A subset of the thermoplastic polyethylene, UHMW (aka UHMWPE) is characterized as one of the miracle polymers of the 20th century. UHMW Chain Guide Rail is the most abrasion resistance, zero friction precision machined belt guides, magnetic corner tracks, chain guides profiles, wear strip, trailing guides and curve tracks. 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. 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. Why industrial engineers prefer Polystone ® M: • low coefficient of friction • excellent abrasion. PTFE can only handle about 1/5 the load of UHMW. 15-. coefficient of friction, making it an excellent protection for surfaces or bearings that experience heavy wear. TIVAR® HPV UHMW-PE stock shapes encompass a range of standard sizes in the following geometries: Rod, Extruded Profile, Plate. This Ultra High Molecular Weight (UHMW) Polyethylene will outwear all other materials, including metals, nylons, urethanes, and fluoroplastics. 2. 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 smooth performance. 77*10 ⁻⁶ mm ³ /Nm and the coefficient of friction (COF) to 0. If, at that stage, the tight-side and slack-side belt tension forces are 7"1 and T2 and the coefficient of friction/x between the belt and pulley is assumed to be constant round the arc of contact of a radians equilibrium considerations lead to lne(Ti/T2) = I. Some grades have an even lower value, meaning they. 75 2 Wet Rubber 37. The curves of the composite motion and the swing friction coefficient have the characteristics of going up first and dropping after and finally stabilizing. In food processing applications UHMW is and excellent choice for applications where strong smells or discoloration from food is an issue. I'll rather test after having a good approximation of the process. 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. It was found that. 85. 5 µm, the coefficient of friction statistically significant increases when. f s ≤ μ s N, 5. 20 . By means of systematic studies, correlations between friction temperature, coefficient of friction, wear and process parameters are examined. Comparison of Dynamic Coefficient of Friction on Polished Steel. Alternative Materials to HDPE and. A value of 100 was designed for the amount of volumetric abrasion loss to UHMW specimen. 4 mass% proteins to the phosphate buffered saline (PBS) solution used asThe steady values of coefficients of friction of this UHMWPE sample against Si 3 N 4 ceramic ball reach to. The very low coefficient of friction provides a lubricated surface that is virtually maintenance free. 30-. Due to UHMW's high molecular weight, UHMW parts will also perform better where overcoming the forces of abrasion and friction is desired. HighLine is now able to offer a line of white color UHMW-PE sheets with ESD (ElectroStatic Discharge) properties. Redco™ DEADPLATE Absorbs energy to eliminate bounce back and vibration. 20 . 1. In addition, it is abrasion, impact, and corrosion resistant and is self-lubricating. 20 0. g. Moderate temperature range (-40°F - 225°F) Adhesive back makes it easy to apply. Applied normal loads were 203 N; *applied normal load was 122 N. 30 QTM 55007 (20)Test No. Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); UHMW PE (Ultra High Molecular Weight PE) Material Notes: Product characteristics: Extremely low coefficient of friction. Thermal properties . The considerably lower coefficient of friction of LubX® eliminates the possibility of the slip-stick effect (backsliding) almost completely and thus increases process stability. It's the reason that the data found in the many reference tables available may show a large. UHMW Guide Rail. 1 5. One of its defining characteristics is its toughness and high impact strength; this is due to long polymer chains with a molecular. 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. Due to an extremely low coefficient of friction, its inherent lubricity minimizes heat-generating friction that tends to. 10 - 0. The following table gives an indication of the abrasion resistance of Redco UHMW polymer. 10 -1. 15 -0. Chui and his Co-workers coated PPy on UHMWPE fiber to enhance its adhesion with an epoxy resin [58], [59]. Those both had about 2-3x the CoF of traditionally-constructed UHMWPE samples. Cut-To-Size Ultra High Molecular Weight Polyethylene brands like Tivar, Duravar, Polystone. 3 0. The friction energy (F E) dissipated during one oscillating cycle with a stroke 2Δx corresponded to the area within the friction loop hysteresis, as described in detail elsewhere. Its strength and ability to resist wear and tear can, in some cases, outperform. 55. First, the bulk material is biocompatible. 28 0. 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. 1. UHMWPE pipes have reduced coefficient of friction, improved abrasion resistance, lower wear rates over conventional HDPE pipes such as PE100. 5 – 0. Meanwhile, it should be noted that the oscillation of friction coefficient. The relationship between initial coefficient of friction, μ i and surface energy (or attractive force) for ultra-high molecular weight polyethylene (UHMWPE) film is modeled and experimentally measured at low normal loads (15–75. 1 2. Spray-coated GNP shows the lowest friction, 40% less than UHMWPE, although with low adhesion. The more inter-yarn friction can be. Lopez et al. 1-0. Coefficient of Friction (Dry vs Steel) Static: PTM 55007: 0. Call 800-367-9122. Coefficient of Friction: Dry Contact: Lubricated Contact: Aluminum. 3 - - - 150-300, for biax film >50 3M™ UHMW-PE Film Tape 5423 is a thick, general-purpose polyethylene tape made for high-impact, abrasion, and sliding applications. Although, reliable sources (mentioned at the reference section) has been used for compiling the above COF table but still the values shown are approximate only. Coefficient of Friction, Plastics to Steel Static 0. static, impending slip. The uhmw u channel stock guide rail has strong abrasion resistance, and its abrasion resistance is 5 times that of nylon 66 and 7 times that of carbon steel. Ultra High Molecular Weight Polyethylene (UHMWPE) and High-Density Polyethylene (HDPE) are both extremely tough plastics with high abrasion and wear resistance. 2 0. 1 (on average, which is low). 6 0. 09, measuring almost as low as PTFE's coefficient of . 16: Cadmium: Cadmium. UHMWPE pipes have reduced coefficient of friction, improved abrasion resistance, lower wear rates over conventional HDPE pipes such as PE100. The results obtained for a combination: PE-UHMW polyethylene - ANSI 316L stainless steel (the static friction coefficient µ 0 as a function of the contact pressure p) Rys. Search Search. The maximum coefficients of friction for UHMWPE-1 and UHMWPE-2 are 0. This paper deals with the friction coefficient behaviour during dry reciprocating sliding of UHMWPE in contact with alumina (Al2O3), within a range of velocities typical for hip implants. A subset of the thermoplastic polyethylene, UHMW (aka UHMWPE) is characterized as one of the miracle polymers of the 20th century. 65-. Properties of UHMW. Tensile Strength: 3,100psi; Flexural Modulus: 110,000psi; Coefficient of Friction: 0. UHMW-PE with low coefficient of friction and electrical conductivity. Thus, UHMWPE has a wider. 2. UHMW-PE sliding fender is usually used in waterways, ports, wharf construction, pontoon bridges and composite fenders. 40. TIVAR Oil-Filled UHMW-PE is an ultra high molecular weight polyethylene material that truly lives up to the self-lubricating description. 60-Rubber (60 A Belt) Urethane 80A . 15-. The friction coefficient of virgin UHMWPE was 0. UHMW (excluding reprocessed UHMW) has been approved by the Food and Drug. Regards, Peter P . Self-lubricating and very low coefficient of friction;With the UHMWPE roughness of 0. OVERVIEW of Tivar® Oil Filled UHMW-PE Tivar® Oil Filled is the material of choice for packaging, bottling, and food processing and handling applications requiring FDA and USDA compliance. It combines very low friction with excellent impact strength and a wear resistance much better than steel. UHMWPE liners have a very low coefficient of friction and zero water absorption, and are widely used to eliminate agglomeration, bridging and suspension of various bulk materials in steel and cement production, mining and power generation applications. The coefficient of friction (COF) was increased up to 65. Among polymeric materials, ultrahigh molecular weight polyethylene (UHMWPE) is considered the best choice for medical and light-weight engineering applications in the construction and automotive industries, since it exhibits a unique toughness, abrasion, fatigue, and good chemical resistances, in addition to a very. Ultra High Molecular Weight polyethylene (UHMW-PE) is an engineering thermoplastic with a molecular weight of greater than 3. UHMW Mechanical Properties Comparison of dynamic coefficient of friction on polished steel PROPERTY There 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 90° long strip). 6 and a dynamic coefficient range of 0. Not only does Ultra High Molecular Weight not wear down and decompose (like metals), it has the lowest coefficient of friction for plastic. With our ultra-precise cutting tools and decades of experience, Reading Plastic can deliver the high-quality parts you need right on time. Consider a mass m lying on an inclined plane, If the direction of motion of the mass is down the plane, then the frictional force F will act up the plane. 2 and 3. 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. Ultra-High molecular weight polyethylene (UHMW-PE) coatings have been gaining ground in various tribological applications because of their ease of deposition, outstanding wear resistance and low coefficient of friction. 76 From these results, it is clear that a coefficient of static friction of . 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. In addition, we have added surface electrical conductivity of 10⁶ Ω/sq. Min Order: 1000 kilograms. The right polymeric compounds can thwart wear and friction problems in bearings, bushings, slides, and gears. 75 Average 37. 0. Both materials are commonly used in industrial applications such as gears, bearings, and wear strips. High impact resistance. Coefficient of friction: D1894: 0. 0. 0 wt% were 0. Please ask your Curbell Plastics representative for more specific information about. " BTW, acetal is the generic name for Delrin. Low Coefficient of Friction. CTE, linear D696 in/in°F 1. In stock. 29 - - Ball indentation hardness 35 MPa 2039 -1 Shore hardness D 64 - 868 Thermal Properties Value Unit DIN/EN/ISO Glass transition temperature - °C 537 36 Crystalline m elting point 135 °C 537 36 The results showed that the friction coefficient of UHMWPE composites increased with an increase in fiber content, and the wear resistance was highest when the fiber content was about 10 wt%. Regards, Peter P . 1492 and 0. UHMW formulations include static reduction, lower friction, higher compressive strength, increased hardness, and temperature resistance to 280 o F. The extraordinary durability and versatility of UHMW-PE is used by designers and engineers in many industries worldwide. It is also observed that UHMWPE-1 and UHMWPE-2 specimens corresponding to 280 °C has minimum. 20 on steel Dynamic . Regards, Peter P . Full Sheet: 48"x120" (. Ultra high molecular weight (UHMW) polyethylene (PE) combines outstanding abrasion resistance and low coefficient of friction with outstanding impact strength. Download : Download full-size image; Fig. 07 in. 1. A system in which f k = μ k N is described as a system in which friction behaves simply. UHMWPE Material performs well in these high-stress applications due to its low friction coefficient and excellent impact strength. 19, as the samples exposure from 21 s to 4 min. 6 g and 3. UHMW also replaces metal in many applications. 15 - 0. It is typically used in chain guides, wear rails, chute liners, truck liners, hopper liners, and other high wear applications. 6 0. 5 – 0. 1 under oil lubrication. It is odorless, tasteless, and nontoxic. High impact resistance. 30 QTM 55007 (20) 0. Download scientific diagram | Coefficient of friction as a function of contact pressure from publication: Effect of Stick -Slip Phenomena between Human Skin and UHMW Polyethylene | The present. 59 0. It also is the best material for minimizing stiction. 060 represents, in our experience, skis with below average gliding properties and would therefore have potential for improvements. Low coefficient of friction makes it very slick. The more resistive the metal surface or the heavier the block the higher the coefficient of friction ( μ) value. Concrete (Wet) Rubber. Ultra High Molecular Weight. 1), however the wear resistance is 8 times better than PTFE. % NaCl solution, respectively. Friction coefficients in dry sliding as a function of wear track position for one cycle of the chirp, double Fermat's spiral, and the Archimedes spiral. 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. 19: Brass: Cast Iron . The coefficient of friction (COF) was increased up to 65. Applications include guide rails, wear plates, rollers, conveyor augers, bin and hopper lines, chutes, bearings, bushings, and gears. Coefficient of Friction: 0. 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. • Entrainment speed and slip to rolling ratio have direct effect on friction coefficient. The results show that the initial coefficient of friction increases exponentially with increasing attractive force. Its coefficient of friction is significantly lower than nylon and acetal, and is comparable to PTFE, with superior abrasion resistance. The exceptional hardness and slick surface is ideal for maintaining a gliding. 15 on this metric. 5. Changes in the static friction coefficient were analysed in association with a contact pressure (in the range 0. I see that there is now Delrin AF, which has threads of Teflon added. 46 with increasing depth, but the static friction coefficient increases only from ∼0. This paper studies the effect of contact stress on friction and wear of ultra-high molecular weight polyethylene (UHMWPE) acetabular cups by means of friction and wear joint simulator testing. 2 Measurement of the Coefficient of Friction 5. The coefficient of friction of UHMWPE along an entire walking cycle using a ball-on-disc tribometer under arthrokinematics and loading conditions prescribed by ISO 14243-3:2014. Teflon also has other interesting properties. Buy Uhmw Coefficient Of Friction China Direct From Uhmw Coefficient Of Friction Factories at Alibaba. UHMW is typically stocked in 48″ x 120″ sheets where PTFE comes in 48″ x 48″ plates. UHMW=100: Minimum Mating Surface Hardness : 20: Rockwell (Brinnell) Coefficient of Linear Thermal Expansion: E-831 (TMA) 4. Preparation. 14. This tape features a unique combination of properties that make it ideal for many tough impact wear or sliding applications. Low moisture absorptionthat combines an incredibly low coefficient of friction with outstanding impact strength at low temperatures, ideal for reducing wear and friction in. Under water sliding condition, the friction coefficient of the UHMWPE composite decreased significantly. The coefficient of friction between UHMW to UHMW/Steel surface is considered 0. All of these grades hold many different properties which make PE a highly sought after material for a variety of applications. UHMWPE has a very low friction coefficient, low wear, and high. The results showed that the friction coefficient of UHMWPE composites increased with an increase in fiber content, and the wear resistance was highest when the fiber content was about 10 wt%. 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.