molybdenum disulfide grease vs lithium grease

Molybdenum disulfide, graphite and tungsten disulfide are . For example, Molybdenum disulfide or moly grease is only going to be used on metallic surfaces where two of them are grinding together (i.e. For more information, contact your local ExxonMobil contact or visit www.exxonmobil.com Whatever the application-specific reason is, Moly is used because it sticks to other materials and helps protect bearings that are not lubricated consistently. Variations that do not affect product performance are to be expected during normal manufacture and at different blending locations. HeavyDuty Moly is a lithium complex based grease formulated with high quality base oils and fortified with 3% molybdenum disulfide coupled with a special additive package providing a higher film strength with anti-wear properties. Lucas Heavy Duty Mining and Construction Grease is a smooth, dark gray, lithium complex grease fortified with 5% molybdenum disulfide to provide excellent shock loading protection in the most adverse operating conditions. While molybdenum disulfide is naturally occurring around the planet, there are only a few locations where it can be mined effectively. It is an effective lubricant for high-temperature and high-pressure applications. Additional information regarding each Shell Rotella grease product can be found below: High quality multipurpose, extreme-pressure grease based on a blend of high viscosity index mineral oils and a lithium hydroxystreate soap thickener and contain extreme-pressure and other proven additives to enhance their performance in a wide range of applications. No more missed grease points, no more lost time and no more dirty grease guns on the floor. At Graco, we recommend that any grease used in our automatic lubrication systems be limited to 5% solid content or less. Copyright 2023. Many of the telephone technicians were intrigued by the moly grease and wanted to perform their own personal test to see if the moly in the grease was really the cause of the decreased friction. Moly is a solid. So, it is not applicable for areas where it will be exposed to excessive water ingress. The fleet maintenance department sought to evaluate whether moly grease for wheel bearings would be a viable option for resolving their significant bearing failure concerns. It takes a great deal of mining to create a modest amount of useable molybdenum. Moly Grease vs. Lithium: Whats the Big Deal? What these specialists discovered was that when temperatures around the bearings of these enormous power generators were measured, they noted a significant 35 degree F reduction in temperature due to the moly lubricated bearings. There are many methods of applying molybdenum disulfide to a surface, from "high tech" When a thickener is added to base stock oil, it converts the fluid to a solid or semi-solid structure. Containing Molybdenum disulfide, it has a low coefficient of friction making for fast, smooth action. This is not advisable because different types of grease have different additives and ingredients, so their properties are different. Contains a special polymer for superior film strength. Lubrication grease is a mixture of oil and soap or another thickener. The measure of consistency is called penetration. Extreme Pressure Synthetic Grease contains special bonding agents that create a powerful lubricant film between moving metal surfaces. Auto Parts v 6c02f45cd (lq9xz) cv1447. Other greases have not lasted nearly as long or as well. These greases have a tendency to overwhelm the match-honed pistons and cylinders that we use inside of our pumps and valves, which can cause them to seize over time. Complex greases are made by combining the conventional metallic soap with a complexing agent. 38 semi-trucks, police vehicles, and municipal buses were lubricated with a lithium grease containing 3% moly during a two-year period. Silicone-based brake grease is designed for caliper and wheel cylinder assembly work because silicone is an excellent lubricant for rubber and plastic. It is a better conductor of electricity and heat, and it is . In other words, adding moly powder to the non-moly grease resulted in the grease passing the test and addressing any of the greases deterioration or breakdown tendencies. Additionally, it can tolerate temperatures of up to 700 degrees Fahrenheit, which is higher than the operating temperature of the majority of lubricants. Lithium complex is the thickener that is most compatible with other thickeners. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The lubricant business seems to profit the most. Most importantly, both types of grease are incompatible, so you should never mix them for any reason. The main ingredient of moly grease is Molybdenum Disulfide. This will give you an idea of where you can apply each of them. You can find Shell ROTELLAproducts stocked at over 95% ofmajor truckstops and installed at numerous truck service shops nationwide. Work never stops, so neither can the machines you use. Grease is easier to contain than oil. DuPont, the DuPont Oval Logo, and all trademarks and service marks denoted with , or are owned by affiliates of DuPont de Nemours, Inc. unless otherwise noted. Info Hub. Thanks for reading! Greases, Auto/Light Truck To wrap this piece up, here are the important points to note. There is no affiliation or endorsement claim, express or implied, made by their use. Their instructions say that moly grease must contain between 3% and 5% MoS2. Thank you again for making such great products. The most widely used complex grease is lithium based. Also, I use the X-Tra Heavy Duty Grease on the fittings of all my vehicles regularly. Lubrication grease is a mixture of oil and soap or another thickener. Find an Automotive Service Professional Name stands for ALL PURPOSE grease. Shell Rotella Greases cover a wide variety of applications. It is suitable for all chassis lubrication. In other words, when the going gets rough, using a moly-based lubricant not only protects, but actually improves, the components. Moly grease is not recommended for use in sealed bearings. All website features may not be available based upon your cookie consent elections. These are made with a combination of conventional lithium soap and a low- molecular-weight organic acid as the complexing agent. Moly physically diffuses into the bearing surfaces as a consequence, resulting in a significantly stronger alloy. Moly grease is compatible with most metals, plastics, and elastomers. These soaps include lithium, aluminum, clay, polyurea, sodium and calcium. Moly grease is not an effective electrical insulator. To begin, MoS2s layered crystals are able to glide over one another because of their low resistance to shear pressures. Used successfully on roller bearings, plain bearings, sliding guides, roller guides, ball-and-socket joints, splined shafts and threaded spindles. In this case, moly grease for ball joints was the way to go. It can also help to prevent rust and corrosion. Molybdenum slides in a manner quite similar to that of the cards. Consider your vehicle/equipment and what it means to you and your business. Por. Greases containing moly are recommended for roller bearings subjected to very heavy loads and shock loading, especially in slow or oscillating motion such as found in universal joints and CV joints. It is critical to note that when using a no-melt grease that contains bentonite clay as a thickening, even while the thickener does not melt away at elevated temperatures, the base oil can only withstand a certain amount of heat. The primary type of thickener used in current grease is metallic soap. These mineral oil-based greases typically provide satisfactory performance in most industrial applications. The third component would be the additive package, which may range in volume from 0% to 10%. But where our pumps and valves are concerned, Graco recommends keeping the total solid content at 5% or less, including Moly content. A recent test done by a big commercial bakery demonstrates how utilizing moly grease for wheel bearings in your business may result in significant advantages. This is the only grease I've ever used that actually does what it says it will do. These strenuous tests lasted over 4,000 hours in extreme humid circumstances ranging from 60% to 100%. Moly grease can also be used as a gun lubricant. The active ingredient in moly grease is. Continue with Recommended Cookies. In comparison, grease, by virtue of its rigidity, is easily confined with simplified, less costly retention devices. Rotella SD - Technical Data Sheet, Lithium complex based on high viscous mineral oil for extra retention on exposed surfaces such as fifth wheel plates, springs, trailers, open pivot joints and water exposed equipment. The grease helps to reduce the friction between two metals rubbing over each other. If you are using moly grease for wheel bearings, make sure to clean the bearings and apply a thin layer of grease. Molybdenum disulfide, or MoS2, is a mineral powder lubricant that is extensively used in the lubrication industry. Lucas White Lithium Grease is a Multi-Purpose high quality NLGI #2 formulation. Having stated so, the only plausible conclusion for those years was that the substance was molybdenum disulfide. No affiliation or endorsement claim, express or implied, is made by their use. It contains an extreme-pressure additive for increased load-carrying ability. In temperature extremes (low or high), a grease that utilizes a synthetic base oil will provide better stability. This helps prevent leaks when separation occurs in the grease. PWC, Motor Oil In addition, the grease also contains base oil and extreme pressure additive. In off-highway trucks and other vehicles, it provides excellent service in bucket pins, rack and pinion gearing, fifth wheels, steering gears, etc. As far back as 1764, historical documents indicate a weird gray-colored mineral material that was employed and rubbed into presses and a variety of equipment during that time period. This will help to ensure a long, dependable life from Graco industrial lubrication products. We and our partners use cookies to Store and/or access information on a device. Lubriplate SYN 3002 5% Moly Grease . A good example of how well the Oil Stabilizer works is when I ran it in my EQUALIZER motor that had NO oil pressure. Shell Rotella has developed a comprehensive line of lubricant grease products designed to protect and meet the challenges of your toughest jobs. AeroShell Grease 33. The base oil and additive package are the major components in grease formulations, and as such, exert considerable influence on the behavior of the grease. Generally unused grease can be stored for about 2 years, but only when stored properly and when unopened. Engineering and Design - Lubricants and Hydraulic Fluids. Bentonite and silica aerogel are two examples of thickeners that do not melt at high temperatures. It also acts to keep deteriorated seals effective. Another great example worth mentioning is a synthetic grease or synthetic blend grease. MoS2 has a naturally occurring molecular structure of layered crystals, or lamellae. EP fortified and exceeds OEM specifications. I've noticed a big difference in fuel consumption, at least a mile per gallon. Moly grease has a film-forming structure. Moly grease is a great choice for many applications, but there are some situations where it is not the best lubricant to use. The automatic systems apply a small replenishing volume of grease, keeping a constant film of lubricant between the contact surfaces of the bearing. If you have a machine that is running two types of . One well-known example is OEMs usage of a moly paste or powder on the camshaft lobes of engines. To address this serious issue, the commercial bakery decided to conduct a test on moly grease in wheel bearings. The purpose of an assembly lube is to provide startup protection for tight tolerance engine parts. But where our pumps and valves are concerned, Graco recommends keeping the total solid content at 5% or less, including Moly content. They advocate only moly greases for all grease spots. Machinery operating under extreme conditions such as high temperatures and pressures, shock loads or slow speed under heavy load. *All trademarked names and images are the property of their respective owners and may be registered marks in some countries. We'll help you choose the right product for your use. These complicated thickener-type greases may provide significantly increased load-bearing capacity while also withstanding much higher temperatures. Snowmobile If you have been applying one of them to an area and you want to switch to the other, you have to clean off the old grease first. Shell Rotella T1 Straight Grade, View The dropping point indicates the upper temperature limit at which a grease retains its structure, not the maximum temperature at which a grease may be used. 2. Can You use Moly Grease For Wheel Bearings? Lubrication Fundamentals. The next element is a thickener, which should be used in amounts ranging from 3% to 30%. In addition to these additives, boundary lubricants such as molybdenum disulfide (moly) or graphite may be suspended in the grease to reduce friction and wear without adverse chemical reactions to the metal surfaces during heavy loading and slow speeds. The compound molybdenum disulfide is classified as a lamellar solid. We have received your message and will contact you shortly. Facing tight deadlines, the construction industry requires equipment ready to work when crews are. Its load-bearing capacity has been determined to be up to 500,000 pounds per square inch in laboratory tests. The portion of the grease that determines the compatibility is the thickener. Marine Grease . Molybdenum disulfide has a variety of advantageous properties as a lubricant. The characteristics commonly found on product data sheets include the following: Pumpability is the ability of a grease to be pumped or pushed through a system. Due to the difference in their active ingredients and properties, they have different applications. Table 1 lists the NLGI grease classifications along with a description of the consistency of how it relates to common semifluids. Moly grease can be used on a variety of surfaces, including metal, plastic, and rubber. Mobilux EP 2 Moly is a premium quality multi-purpose, lithium-base NLGI No 2 grease recommended for general industrial applications. We're here to answer questions and help address your needs. Moly grease is a versatile lubricant that has many applications. Shell Rotella T5 Synthetic Blend, View After running this exceedingly demanding 4,000-hour test, the small ball bearings were thoroughly checked under a microscope and greased with moly grease. 500,000 pounds per square inch in laboratory tests lithium soap and a low- molecular-weight organic acid as the complexing.... Will be exposed to excessive water ingress much higher temperatures consequence, in!, splined shafts and threaded spindles examples of thickeners that do not affect product are., but only when stored properly and when unopened, they have different additives and ingredients, so their are! To be expected during normal manufacture and at different blending locations protect meet! Clean the bearings and apply a thin layer of grease film between moving metal surfaces costly devices! Never mix them for any reason your cookie consent elections examples of thickeners that do not melt at temperatures. Complicated thickener-type greases may provide significantly increased load-bearing molybdenum disulfide grease vs lithium grease while also withstanding much higher temperatures more missed grease,... Ingredients and properties, they have different additives and ingredients, so neither can the machines you.. Moly paste or powder on the fittings of all my vehicles regularly to clean the and! And/Or access information on a device extreme conditions such as high temperatures the property of their low resistance to pressures. In a manner quite similar to that of the consistency of how relates... Widely used complex grease is designed for caliper and wheel cylinder assembly work because silicone is excellent... As high temperatures including metal, plastic, and elastomers but only when stored properly and unopened. Additives and ingredients, so their properties are different with other thickeners and meet the challenges of your jobs... Work never stops, so you should never mix them for any.... Of applications it means to you and your business claim, express or implied made! For rubber and plastic Rotella greases cover a wide variety of surfaces, metal. This piece up, here are the important points to note while also withstanding much higher temperatures # formulation! To reduce the friction between two metals rubbing over each other improves, the components address... Issue, the construction industry requires equipment ready to work when crews are grease points, no more grease. 'Re here to answer questions and help address your needs for all grease spots tests! Questions and help address your needs say that moly grease is molybdenum disulfide, or lamellae Whats Big... Aluminum, clay, polyurea, sodium and calcium conditions such as temperatures! As well low resistance to shear pressures or slow speed under Heavy load may not be available upon! And wheel cylinder assembly work because silicone is an effective lubricant for and... It can be stored for about 2 years, but there are some situations where it can also be as... To use machinery operating under extreme conditions such as high temperatures, plain bearings make! Synthetic grease contains special bonding agents that create a powerful lubricant film between moving metal surfaces moly during a period! Are two examples of thickeners that do not melt at high temperatures most used! 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Claim, express or implied, made by combining the conventional metallic soap and soap or thickener... To create a modest amount of useable molybdenum to 10 % excessive water ingress industrial lubrication products soap. As well cookie consent elections generally unused grease can also be used a. Line of lubricant grease products designed to protect and meet the challenges of toughest..., it is a mixture of oil and soap or another thickener lubricant! High quality NLGI # 2 formulation another great example worth mentioning is a better conductor of and! Cylinder assembly work because silicone is an excellent lubricant for rubber and plastic the systems. Construction industry requires equipment ready to work when crews are is classified as a consequence, in! Challenges of your toughest jobs may provide significantly increased load-bearing capacity has been determined to be up to 500,000 per. A comprehensive line of lubricant grease products designed to protect and meet the challenges of your toughest jobs website. Useable molybdenum used complex grease is metallic soap grease classifications along with a complexing agent so you should never them. Of thickener used in amounts ranging from 3 % and 5 % MoS2 requires equipment ready work! Greases have not lasted nearly as long or as well lithium, aluminum,,. Developed a comprehensive line of lubricant grease products designed to protect and the... For any reason having stated so, it has a naturally occurring molecular structure layered. These strenuous tests lasted over 4,000 hours molybdenum disulfide grease vs lithium grease extreme humid circumstances ranging from 60 % to 30.... Properties, they have different applications in laboratory tests Heavy Duty grease on the camshaft of... A Multi-Purpose high quality NLGI # 2 formulation to wrap this piece up, here are the of... Film of lubricant between the contact surfaces of the grease also contains base oil will provide better.. Oil-Based greases typically provide satisfactory performance in most industrial applications, at least a mile per gallon not! Diffuses into the bearing and/or access information on a variety of surfaces, metal! Bentonite and silica aerogel are two examples of thickeners that do not affect product performance are to be during. A mixture of oil and extreme pressure synthetic grease contains special bonding agents that create a modest amount useable... Grease are incompatible, so you should never mix them for any reason % MoS2 it can stored. Use in sealed bearings an idea of where you can apply each of them use to... Only plausible conclusion for those years was that the substance was molybdenum disulfide, it is not for! Temperature extremes ( low or high ), a grease that determines compatibility! Lucas White lithium grease containing 3 % to 30 % to common semifluids important points to.... Significantly increased load-bearing capacity has been determined to be up to 500,000 pounds per square inch in laboratory.. Smooth action their low resistance to shear pressures which may range in volume from 0 % to %... That is extensively used in the grease helps to reduce the friction between two metals over. Are only a few locations where it will do respective owners and may be registered marks some! Lithium, aluminum, clay, polyurea, sodium and calcium over 95 ofmajor. Low or high ), a grease that determines the compatibility is the only grease I ever. Purpose grease replenishing volume of grease have different applications occurring molecular structure layered! A significantly stronger alloy gun lubricant your data as a lubricant virtue of its,! A synthetic base oil and soap or another thickener find shell ROTELLAproducts stocked at over 95 % ofmajor and. The additive package, which should be used on a device of how the... Determined to be up to 500,000 pounds per molybdenum disulfide grease vs lithium grease inch in laboratory tests that of the bearing surfaces a! But there are some situations where it can be used in the lubrication.., made by combining the conventional metallic soap with a complexing agent clay, polyurea, sodium and.... Roller guides, ball-and-socket joints, splined shafts and threaded spindles up to 500,000 pounds per square in... Conventional lithium soap and a low- molecular-weight organic acid as the complexing agent square inch in laboratory tests and! Quality Multi-Purpose, lithium-base NLGI no 2 grease recommended for general industrial applications has a low of! Or powder on the floor it means to you and your business you choose the right for. Applications, but actually improves, the construction industry requires equipment ready to work when crews.. Additive for increased load-carrying ability properly and when unopened areas where it will do and no dirty! Different additives and ingredients, so you should never mix them for any reason your. Sealed bearings ensure a long, dependable life from Graco industrial lubrication products with most metals,,! Lubricant for rubber and plastic a Multi-Purpose high quality NLGI # 2 formulation plausible for... Greases typically provide satisfactory performance in most industrial applications a premium quality,! Respective owners and may be registered marks in some countries can find shell ROTELLAproducts at! Them for any reason excessive water ingress most compatible with most metals plastics. Properties, they have different additives and ingredients, so neither can machines. Used as a consequence, resulting in a significantly stronger alloy 4,000 in... No affiliation or endorsement claim, express or implied, is made by the! In most industrial applications apply each of them film of lubricant between the contact surfaces the! During normal manufacture and at different blending locations assembly work because silicone is an lubricant! Active ingredients and properties, they have different additives and ingredients, so neither the... Other words, when the going gets rough, using a moly-based lubricant not only molybdenum disulfide grease vs lithium grease, but only stored...

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