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Steve in Chapel Hill, NC Dark blue typically for multipurpose greases made from conventional oil base stocks. BUT it takes lots of research to know which one is the RIGHT one for you. Relevant identified uses of the substance or mixture and uses advised against Identified uses Grease 1.3. hbbd``b`SA!` , BH07X,Ft? infinoil1 Lubes EP 0 and EP 1 provide good low temperature pumpability and are suitable for centralised lubrication systems and other applications where low temperature performance is required. %%+ -dEmbedAllFonts=true -dSubsetFonts=true -dCompressFonts=true -dNOPAUSE -dQUIET -dBATCH ? The recommended operating temperature range is from -20C to 130C, but they may be used at higher temperatures if the lubrication frequency is increased accordingly. While other grease applications like bearings mounted on vertical shafts require firmer grease so the grease stays put. Every grease has three parts: a base oil that provides lubrication, a thickener that determines the grease's consistency and additives that serve various roles depending on the formulation. Load Wear Index in Lubrication Greases This tells us nothing else about the thickener type, base oil type or viscosity of the base oil. The EP has a better build quality, the EPL is more in line with usual consumer grade, although the 2 is better than the EPL-1 (yuck, looks ugly as sinlike a Sony IMO). The recommended operating temperature range is -20 to 120C for Mobilux EP 004 and -20 to 120C for Mobilux EP 023. MSLA collects crucial information vital in assessing the health of your operation including, but not limited to: Grease can feel like a complicated lubrication topic, but were here to help. Under high pressure or shock loading, normal grease can be compressed to the extent that the protective film breaks. In either case, the end result is basically the same; there is effectively no lubrication. Oxidation is the chemical reaction of oxygen in the atmosphere and the in-service lubricant, and is accelerated in high temperatures. This tells us two things, EP 2 grease is a NLGI Grade 2 and it is fortified with Extreme Pressure (EP) additives. MOBILUX EP 3. Probably wise for me to stick it out, but the little pop up flash would be so nice in a pinch. Keeping the various ball joints in your car properly greased is vital to ensuring that they are adequately lubricated, moving smoothly, and not making too much noise. To understand grease, we must look at grease make-up. If you wish to set a specific communication frequency or otherwise update your preferences, please visit the following link to modify your settings: Preference Center. MP Grease is a NLGI (National Lubrication Grease Institute) number 2 grease. This insures in the end, that there is no friction and wear when the lubricant film gets too thin/breaks. The product supports a wide temperature range and because it has a smooth structure it is also easily pumpable. It was only until the 1980s, however, when this grease type was finally released to the market. What is the difference between the E-P2 and EPL2? White or undyed greases typically used in paper machines or food-grade applications. What is the difference between EP and ep2 grease? NLGI Grade 2 grease is a multipurpose grease for oxygen and harsh chemicals in industrial applications. Different types of greases are typically formulated with three grease components: base oil, thickener and additives. An EP2 grease with a relatively good service condition under static conditions, moreover, is considered excellent. A grease with an NLGI grade of 1 has a consistency like tomato paste, where a grease with an NLGI grade of 3 has a consistency more like butter. Shell Retinax EPL: Shell Gadus S2 V145KP 2: Shell Alvania EP Arctic Moly: Shell Gadus S2 V20XKD 0: Shell Malleus STC: Shell Gadus S2 Thread Compound: Shell Multiservice EP: . Additives included in greases are typically antioxidants, rust and corrosion inhibitors, and antiwear or extreme pressure (EP) additives. Grease is widely used in all mechanical contraptions because they all have something in common need of lubrication. It is recommended for most automotive, agriculture and light transport applications i.e., chassis lubrication and steering linkage joints. hb```"sc ea g0p40t04@Q@0# 9S=CC.G1{! The recommended operating temperature range is from -20C to 130C but they may be used at higher temperatures if the lubrication frequency is increased accordingly. This insures in the end, that there is no friction and wear when the lubricant film gets too thin/breaks. These lithium hydroxystearate greases are formulated to provide extra protection against wear, rusting and water washout. Lithium complex greases have a higher dropping point (read below to find out more about this) as compared to the simple soap ones. The water resistance of a lithium EP2 grease can be improved by adding polymer additives to it in small concentrations. From extending regreasing intervals at a plant from weekly to quarterly, to extending the life of machine bearings, synthetic grease can improve industrial operations and help to cut costs for operators. The most incompatible were aluminum complex, calcium complex, clay and polyurea-thickened greases. On-highway heavy duty trucks This lubricant is perfect for a wide variety of Class 6 - 8 trucks in most chassis and wheel bearing applications ranging from automatic centralized greasing systems (see Notes A and B) to wheel bearings operating near the high temperatures of disc brakes. GREASES GREASES Grease Some parts in your car require grease as a lubrication agent, such as bearings, joints and hinges. Synthetic fluids provide superior lubricating capability across a much wider application temperature range, all other things being equivalent. The recommended operating temperature range is -20 to 120C for infinoil1 Lubes EP 004 and -20 to 120C for infinoil1 Lubes EP 023. infinoil1 EP greases have a long history of proven performance and have demonstrated good performance in the areas of corrosion protection, low temperature pumpability and high temperature service life. The rust prevention or resistance of a grease is determined by the ASTM D 1743 Test Method for Corrosion Preventive Properties of Lubricating Greases. The pl2 is built like a GF1, nothing to write home about or to complain. I have both cameras. Under high weight or stun stacking, typical oil can be compacted to the degree that the defensive film breaks and the lubed parts come into physical contact, causing grinding and wear. Warning from AAA: Dont Use E15 Gasoline Major Damage to Engines and Fuel Systems On the Rise, Understanding and Diagnosing Rear Differential Noise, Understanding and Diagnosing Power Steering Noise. NLGI #1 Grease versus NLGI #2 Grease Less thickener makes a #1 grease more tractable and slippery, while #2 grease has more thickener, making it stiffer and great for all-purpose applications. MOLY GREASE. %%Invocation: path/gs -P- -dSAFER -dCompatibilityLevel=1.4 -q -P- -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sstdout=? It is recommended for most automotive, agriculture and light transport applications i.e., chassis lubrication and steering linkage joints. A low scar diameter (millimeters only) is a good figure. A lithium that has passed this test means that it is capable of preventing corrosion and rusting in both storage and static conditions. Shell Gadus S2 V220 2: Shell Retinax Grease AM: Shell Gadus S2 V220AD 2: Shell Stamina Grease U2: Shell Gadus S3 T100 2: Shell Super Duty Grease: Shell Gadus S2 V220AD 2: EP2 grease variants nowadays also employ a shorter chain-length difunctional carboxylic acid. BUT did you know that when youre looking for grease you will find specifications such as AP, MP, EP? Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @, http://www.msds.exxonmobil.com/psims/psims.aspx, Privacy center (Do not sell or share my personal information). On-highway heavy duty trucks This lubricant is perfect for a wide variety of Class 6 - 8 trucks in most chassis and wheel bearing applications ranging from automatic centralized greasing systems (see Notes A and B) to wheel bearings operating near the high temperatures of disc brakes. Mobilux EP 0 and 1 are suitable for centralised systems. Both are Honda's and share some similar components and even style; however, they are slotted in different areas of the overall line up of products. The EPL series is the lower end model and the EP series is the higher end. In almost applications, EP oil is used where an AP or MP oil is called for. Also consider the operating temperature of the application and relubrication logistics to determine the best product to use and best method for applying the grease. ?N3AtJ&7BctZ@) )YtMD_FjPzq3 28S}(0 Thickener Compatibility is of major concern. In high temperature applications, synthetic oil thins out less than comparable mineral oil, providing greater protection by forming a thicker oil film between surfaces. Multipurpose grease can cover many applications making it desirable for reducing inventories and associated costs, and simplifying a lubrication program. HP LITHON Industrial Grease 2 & 3 meets IS:7623-1993 Grade 2 & 3 type respectively and IPSS 1-09-006. 728 0 obj <>/Filter/FlateDecode/ID[<1C2D26F12B05494B8828DF88AEF5D64A><0F7636ED1452E44FBEAC7A16E164DAF3>]/Index[715 20]/Info 714 0 R/Length 73/Prev 23303/Root 716 0 R/Size 735/Type/XRef/W[1 2 1]>>stream 4#^F{7b{XiERsi0fd9@nli.}Y#D we5Gy}r|=[kCPFa"oBaj#Wa$uzoHwJQcL9 k]AX|WvUnKOctOx er{@EauR]^ *%X(7lVQ0Y$&t5CFLqPQ0pq%9fTGib(qpD'cz;:=x'NJ3%i~Cd . 102 Liberty Ave. What does 5W30 mean? 7 zyO>0>1kEso vwQ69Z5i^}jx)y tiV)/,gJJJS_v 9Z \8@u76T>-%3@?3bcFu7=9 Lsvg{ _/tUUo{ Check the grease manufactures data to see if it states the base oil type. Never heard anyone complaining about gf1 built quality. Its excellent low temperature behavior makes it suitable for extreme climate conditions across the country, and its anti-friction properties reduce shudder. 2018 TheLubricantStore.com All Rights Reserved. All website features may not be available based upon your cookie consent elections. The Mobil grease product line whether mineral based or synthetic is designed for all-around balanced performance even in extreme operating conditions. DIN 51825:2004-06 - KP 1 K -20 . Mobilux EP 0 and 1 are suitable for centralised systems. A pressurized lubrication grease should be easily pumped through nozzles, lines, and fittings of grease-dispensing systems. Again, compatibility of the base stock(s) used in different greases isnt assured. Ambient temperature ranges and location of the application are necessary to assess the conditions in which the grease must perform. Some grease applications require softer grease so it can be pumped easily through small distribution lines and valves. HD Lithium EP (all grades) PDS. EP Grease represents Extreme Pressure. Mobilux EP 2 is recommended for multipurpose applications in antifriction and plain bearings, bushings and pins under normal operating conditions. Are all ep2 grease the same? {3{'IKn/X!D] 0 I Eaton EP-2 grease is a multi-purpose, high performance NLGI Grade 2 lithium-complex grease for a variety of uses in both on- and off-road applications, where the use of conventional lithium grease is limited. clicking on Submit you agree to terms and conditions and ourprivacy policy. P2 has a metal case. A flash is handy once in a while. Red mostly for multipurpose synthetic greases. Grey for those containing moly for many off-road equipment specifications, and. There are literally tons of products out there that can help you. $ &;sbu^IHDPQF,(-|:HRH2XK8yCrY5x -Ken BUT it takes lots of research to know which one is the RIGHT one for you. With all these factors to consider, no wonder there is confusion regarding grease. Due to its high drop point (melting point) which provides good thermal and structural stability plus the high degree of protection against rusting and corrosion it is used in all grease-lubricated automobile parts including on commercial vehicles. Work with your supplier to know and understand the greases being used at your facility. -- However, certain negative aspects in their flexibility to applications makes them less than desirable. stream Adhesive and solid lubricants like Molybdenum Disulfide (Moly) are added to grease to provide extra protection when conditions are extreme or regreasing is difficult to accomplish. -f ? Have you actually handled both or you're just guessing? ?y)F/-e|. The most commonly used greases, such as those used in automotive bearings, would use a lubricant that is NLGI grade 2, which has the stiffness of peanut butter. Just look at the EP-2 review here at DPreview and compare it to the Preview of the EPL-2. For best results. infinoil1 All rights reserved.Developed by Pious Enterprise. Warning from AAA: Dont Use E15 Gasoline Major Damage to Engines and Fuel Systems On the Rise, Understanding and Diagnosing Rear Differential Noise, Understanding and Diagnosing Power Steering Noise. % Re: What is the difference between the E-P2 and EPL2? Lithium and polyurea greases cannot be mixed. Crown Grease 2 Energrease LS 2; Mobilux 2 Multis Role 2; Alvania 2 HYBROWN LT2; NLGI 3 Crown Grease 3; Energrease LS 3 Mobilux 3; Multis Role 3 Alvania 3; HYBROWN LT3. Grease thickeners are vast in number and some have unique properties and benefits. The load wear index in greases is calculated from the scar diameter figure. MOBILUX EP 2. These greases provide excellent protection against rust and corrosion and resist water wash-out which makes them particularly suitable for equipment where moist or wet conditions are common. Excellent temperature resistance from -30C to +160C. I don't like the FL-14. Less thickener makes a #1 grease more tractable and slippery, while #2 grease has more thickener, making it stiffer and great for all-purpose applications. Molybdenum disulfide provides better lubrication functions than the hydrodynamic regime where a thick fluid film is applied between parts. This is because it has a second thickener component or complexing agent. It is also the one considered as the normal grease. And if it doesn't come in the spring he should stick out a couple of years until Olympus finally comes with an P3. Your email address will not be published. Greases are not allowed to be corrosive to metals or exhibit corrosive qualities such as oxidation and aging. 82930, The Difference between AP Grease, MP Grease and EP Grease. Since moving components that come into contact are almost in all industries, you will surely discover that grease can be used and its used in a lot of places. EP2 grease is a type of non-corrosive lithium grease. They are available in NLGI grades ranging from 00 to 3, with base oil viscosities ISO VG 150 and320. infinoil1 EP 0, 1, 2 and3 greases are highly recommended for most types of industrial applications including heavy-duty applications where high unit pressures or shock loads are present. This figure is usually provided following the ASTM standardproducts, the higher the figure, the better because it means it can survive higher stressed conditions. For best results, look for a product with a dropping point of F. 650+. If the film breaks, then the greased parts come into physical contact, causing friction and wear. If you would like to discuss it further, you can contact me directly. Mobilux EP 2 and 3 are general-purpose greases. is widely used in all mechanical contraptions because they all have something in common need of lubrication. HP LITHON Industrial Grease meets all the requirements of industrial grease applications for plain and antifriction bearings in steel mills, paper mills, electric motors & generators, pumps, conveyors, compressors, machine tools, etc. These greases provide excellent protection against rust and corrosion and resist water wash-out which makes them particularly suitable for equipment where moist or wet conditions are common. Now that they've upped the top shutter speed to 1/4000th of a second on the EPL2, what are the primary differences between the 2? 715 0 obj <> endobj Blue Ridge Workshops This grease provides the lubrication needed while also coating the components in a wash-proof layer of protection from the elements. Automotive enthusiast, passionate about Jeeps, hot-rods, turbos, performance, efficiency, diesels, fuels, high performance oils, additives and anything with an engine. Don't see your equipment builder? While conventional, mineral oil-based greases can be formulated to deliver effective performance for many applications, synthetics typically deliver significant advantages, including extended oil life. It shows a stable composition when hot but also keeps a flowing composition when cold. OM System M. Zuiko 90mm F3.5 Macro sample gallery, Hands on with the OM System M. Zuiko 90mm F3.5 Macro, OM System 90mm F3.5 Macro IS Pro sample gallery (DPReview TV), OM System M. Zuiko 90mm F3.5 Macro Sample Gallery, Fujifilm X-T5 production sample gallery (DPReview TV), DPReview TV: Sony 50mm F1.4 GM vs Sigma 50mm F1.4 DG DN Art, The best cameras for family and friends photos in 2022, Best affordable cameras for sports and action in 2022. Grease for bearings are typically NLGI 1, 2 or 3. JavaScript seems to be disabled in your browser. This is true for lubricant oils as well as greases. Mobilux EP 2 and 3 are general-purpose greases. Mobilux EP 2 are general-purpose greases. No matter the kids will already be in college by then, good reply -sOutputFile=? A good figure in an EP2 grease is around 700 and more because it means the lubricant has a higher resistance against meltdown and breaking. infinoil1 Lubes EP 2 and 3 are general-purpose greases. Grease is essentially made up of three things; base stock or stocks, a thickener and additives. The dropping point of a lubricating grease refers to the temperature at which its semi-solid state turns into a liquid under test conditions. Related to this is the 4 ball EP tester which is commonly used to test heavier loads under severe conditions. These lithium hydroxystearate greases are formulated to provide extra protection against wear, rusting and water washout. XGE003, XGE050, XGE125, XGE400, XGE500, YGE400, SLG400, SLG500 1.2. Help on switching browsers can be found online. infinoil1 Lubes EP 0 and 1 are suitable for centralised systems. If not, grease compatibility testing can be run for a few hundred dollars to ensure against compatibility issues. Do you know what engine oil your vehicle needs? National Lubricating Grease Institute (NLGI) Grades are a measure of grease consistency. Do you know the difference between AP Grease, EP Grease and MP Grease? This insures in the end, that there is no friction and wear when the lubricant film gets too thin/breaks. because of leakage due to worn or missing seals. endstream endobj 15 0 obj <> endobj 16 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/XObject<>>>/Rotate 0/Type/Page>> endobj 17 0 obj <>stream As complex as it all is it is blissfully simple at the same time. When it comes to your car, there are a lot of components and moving parts that come into play to get it rolling down the road. MOBILUX EP 004. Generally, the speed of oxidation doubles for every 10C above 120C. Mobilux EP 3 is a stiffer NLGI grade 3 grease recommended for applications where maximum protection against penetration of water or solid contaminants is required. infinoil1 Lubes EP 3 is a stiffer NLGI grade 3 grease recommended for applications where maximum protection against penetration of water or solid contaminants is required. https://www.youtube.com/watch?time_continue=1&v=ceW9Nc1hVHU. They can cause each one to lose their oil and dry out, said Hamilton. When considering grease, general factors to consider include; Also consider the environmental conditions of the application. By signing up for ExxonMobil Lubricants marketing communications using this form, you agree to accept the frequency of communications as deemed appropriate by our campaign manager. Reduced wear under heavy or shock loading and vibration for good equipment reliability and availability, Protection against rust and corrosion and resistance to water washout for equipment protection and good lubrication even in presence of water, Extended bearing life potential in wet environments for reduced bearing costs and unanticipated downtime, Good pumpability in centralised systems (Mobilux EP 0 and 1), Effective leakage control (Mobilux EP 004 and Mobilux EP 023). NLGI Consistency 2 Soap Type Lithium Base Oil Mineral Kinematic Viscosity @400C cSt IP 71 / ASTM D445 220 Kinematic Viscosity @1000C cSt IP 71 / ASTM D445 19 Cone Penetration, Worked @250C 0.1mm IP 50 / ASTM D217 265-295 Dropping Point 0C IP 396 180 Four Ball Weld Load Kg ASTM D2596 315 Page 1 of 2 Gadus S2 V220 2, v 3.5 07.02.2018.12.14 The base oil lubricates, reducing friction between moving surfaces; this is exactly the same role that the base oil plays in a lubricant oil. By taking care of your vehicle you indirectly take care of yourself through reliable transportation. What Happens If You Mix Different Types of Antifreeze? Different types of greases are typically formulated with three grease components: base oil, thickener and additives. Energrease LS EP 2 Mobilux EP 2; Multis EP 2 Alvania EP 2; HYBROWN LT EP 2. ine]T79gu=ausc7-06K~ (|}UAagS7M\q=@EsCvzl:9 til 5F0ojx$_-x9 y qyIbw 4En T. Are you serious? %PDF-1.6 % Today well shed some light over the miraculous paste that provides your cars joints with lubrication and protection from the elements Grease! Base stocks used in greases are typically mineral oil, synthetic blends or full synthetic stocks. %PDF-1.5 % Grade 6, which is the hardest has the hardness similar to cheddar cheese. It also refers to the temperature at the point of contact in which a metal finally melts. However, the EP-2 is very nice as well. Mobil Polyrex EP 2 is a shear-stable polyurea grease with excellent extreme-pressure (EP) and load-carrying characteristics. There are literally tons of products out there that can help you. Valvoline Moly-Fortified Gray Full Synthetic Grease is generally considered the best grease for ball joints. a NLGI (National Lubrication Grease Institute) number 2 grease. Gulfstar Lithium EP Grease is premium quality lithium based automotive grease manufactured from superior quality base stocks and specially selected additives. LC-2 Grease Castrol 0202202 Castrol 002202 Cheron elo P 2 Cheron P Atomotie C rease P2 Citgo ithople P2 Citgo Premim ithim P 2 Conoco Phillips SperSTA 2 on oil one P on oil Unire P 2 FA A220 chs Centry Unirl 2 rication ngineers Almagard 2 UPAT 12 oilgrease P 222 Pennoil Pennlith P 12 Pennoil Premim . infinoil1 EP 0, 1, 2, 3,004 and 023 products are very highly performance family of four general-purpose industrial greases and two special-duty semi-fluid greases. Required fields are marked *. Evanston, WY. Find the grease appropriate for your application by using our Mobil grease applications guide. DIN 51825:2004-06 - KP 2 K . What Is The Most Important Maintenance on a Car? MULTIS EP range is suitable for use in centralised lubrication systems. Under high pressure or shock loading, normal grease can be compressed to the extent that the protective film breaks. infinoil1 Lubes EP 004 passes the SEW 1008 hour gear test requirement DR.EM.203 mod. The recommended operating temperature range is from -20C to 130C, but they may be used at higher temperatures if the lubrication frequency is increased accordingly. Compared to the older (but still great) E-P2, the E-PL2 costs less, is smaller, has the new generation 14-42mm II lens that focuses internally and silently, has a zoom lens with a smaller 37mm filter thread and lens cap size (verses 40.5mm on the first version 14-42mm zoom lens), has a pop-up flash, has a larger 3 inch screen, has double the screen resolution of any previous PEN camera, has a weaker anti-alias filter that yields a bit more detail and apparent sharpness, has a slightly different battery and charger (5 electrical contacts now, vs. 4), has the new Dramatic Tone art filter, has a clearer to understand instruction manual, has wifi ability to send images to another location electronically, allows you to adjust the strength of certain art filters, lets you add a "picture frame" to JPEG images as a special effect, and finally, comes in a choice of 4 colors. Besides the normal protective film provided by the lubricant, EP grease contains solid lubricants that bond to the surface of the metal and adds a sub-layer that prevents metal to metal contact. Grade 2 grease is an excellent lubricant for plain and antifriction bearings operating under moderate load and at medium speeds. At present, it is now used in various lubrication greases for automotive and industrial use. The mechanical stability of the mixture is within the range of consistency of the individual greases. uL2 infinoil1 Lubes EP 004 and infinoil1 Lubes EP 023 are particularly suitable for the lubrication of enclosed gears and bearings in poorly sealed gear cases on most underground mining machinery with the exception of electric motor gearings. This grease provides excellent protection against rusting and corrosion. MP stands for Multi Purpose. hUnH>: 0 Additionally, these oils are less prone to degradation at elevated temperatures a phenomenon called oxidation. A high load wear index in an EP2 grease determines superior performance against wearing and extreme pressure. Besides the normal protective film provided by the lubricant, EP grease contains solid lubricants that bond to the surface of the metal and adds a sub-layer that prevents metal to metal contact. Boost Performance Products, LLC. Application The Spheerol EPL range are general purpose greases designed for plant wide lubrication. It is intended for use on ball and roller anti-friction bearings, as well as conventional sleeve bearings. Moly. The EPL has a built in flash, the EP series does not. %%EOF Its main usage is in cars, more specifically for car parts like ball joints, U-joints, CV joints, etc. `dk$L!_FbW.U*?j1+ P>%M7n.HI;.6UnVE$7tn)I'][v5&]~u4dOrs1|x_-V\ZWW&|$YlUwU3hvU8vEGBY({YL 9Ae~E(imYG#Lgi}^1m]s. Special additives may be required to increase performance. This grease provides the lubrication needed while also coating the components in a wash-proof layer of protection from the elements. X . Mobilux EP 0 and 1 are suitable for centralised systems. Lithium grease It is designed to provide long-lasting protection against oxidation, corrosion, extreme temperatures, and wear and tear. AP Grease is a lithium based multifunctional high temperature, water resistant grease. NLGI grade is divided into 9 categories with the numbers starting from 000 to 9. We are all familiar with EP 2 grease. Just deciding if the E-Pl2 would be worth it to me. The pumpability of a grease refers to its ability to be pushed or pumped in a system. *Required fields. When you're choosing grease, practice due diligence and choose the right grease for the application. Mixing of different greases can result in changes in physical and performance characteristics, leading to inferior properties of either of the original greases before mixing. This tells us nothing else about the thickener type, base oil type or viscosity of the base oil. Check it for compatibility with the base fluid used in the grease that is currently in service. Usually applied to water pumps, wheel bearings, chassis fittings or universal joints. The softer the grease, the lower the number. hTKk1+:]i6I{a 43"4-=|HF3 fdd Flex Moly EP; Energrease Moly EP Mobil Grease Special; Multis MS Superduty Grease; 82930. products, the higher the figure, the better because it means it can survive higher stressed conditions. Now, some features of the EPL series are newer. has in its components, solid lubricants (graphite and/or molybdenum disulfide) to provide protection under heavy loadings.