Grease is a widely applied lubricant mostly used in rolling bearings. The dropping point of 190-200C (374-392F) is not high enough for several high-temperature applications. View Details. The metal used defines the type of soap, with lithium being the most common. So, why is the selection of a grease thickener so important? Features and benefits. Whereas table 2 is a synthetic PAO formulation. Lithium/Lithium Complex: The majority of greases sold worldwide are made with a simple lithium soap or lithium complex thickener. Most greases have 75-98% paraffinic mineral base oils. Simple lithium soaps are often used in low-cost general-purpose greases and perform relatively well in most performance categories at moderate temperatures. Lithium-based greases are among the most commonly used greases today, as they offer multi-purpose properties, good low-temperature performance and mechanical stability, low oil bleed tendency, good pumpability and good long-term storage stability. Material Description. Multipurpose Greases, NLGI Grade: 2, Clay Grease Thickener. They are used in applications that require excellent structural stability at low to moderate temperatures, good water resistance, good low temperature pumpability, and good low to medium operating temperatures. 1347613 [LMCG1/0.4 from SKF Group (The)] from RS Components, Ltd. A grease composition having improved thickener yield, comprised of a major amount of a lubricating base oil, and a minor amount of a lithium complex thickener. Suitable for automotive and industrial machines, plain/rolling elements bearings, marine, agricultural, mining, construction machinery, pumps, conveyors, elevators, chains, pulleys, cranes, shafts, wire ropes, and automotive applications, where good water resistance and good thermal stability are required. Begin with understanding the components of grease and its properties. The NLGI grease guide states a thickener is "the solid particles which are relatively uniformly dispersed to form the structure of lubricating grease in which the liquid is held by surface tension and other physical forces." Historically, thickeners have been classified as soaps or non-soaps. Sodium soaps do provide good shear stability and lubricity. Don't missour next Lubeletter where the variousnon-soap thickenersused to formulate Nye's greases will be featured. The process to make simple lithium soap grease. Compared to lithium soap-based grease, lithium complex grease is more resistant to heat, water, and rust. Primary Chemical Name is the standard name assigned to a chemical substance. While they are worth a mention as they are the first modern greases, having been developed in the late 1800s, Calcium soap based greases are used less and less today. If your soap formation is correct, you will require homogenisation & deaerator for best appearance.. Unirex EP 2 is a premium quality grease that combines advanced lithium complex soap technology and leading edge polymer enrichment technology to provide excellent adhesion, water wash-out resistance, mechanical stability and high temperature performance. Lithium 12-hydroxy stearate greases are the most widely used soap greases. 4).And the thickener microstructure strongly determines the physicochemical properties of LCG ().From the FE-SEM, The LCGs prepared by azelaic acid and sebacic acid show the entangled spiral fiber . Use Temperature: -22 to 284. Caltex Molytex EP 2 Lithium Grease is formulated with a highly refined ISO VG 220 mineral base oil in combination with a lithium soap thickener and robust extreme pressure additives. In wet situations, excellent water resistance ensures the grease stays put and isnt washed or sprayed off, minimizing the need for frequent reapplication. The soap contents are lowest with a naphthenic base oilthat makes grease economical. Lithium soap complex. The most common types are simple lithium soaps, lithium complex and polyurea. The dropping point of 190-200C (374-392F) is lower for many high-temperature applications. And, while complex calcium soap based thickeners could withstand higher operating temperatures of up to 260 degrees Celsius, the arrival of higher performing lithium-based thickeners in the mid-20th century made these less advanced greases outdated. Non-Soap Greases Chem LiHSA is Lithium 12 Hydroxystearate. According to a recent NLGI survey, the production of lithium greases is higher than all other greases combined. Read more about cookies. Due to its high production and raw material costs, lithium grease is more expensive than other greases. Not recommended for use in sliding and reciprocating applications due to less adhesion. A grease thickener can influence your greases operating temperature, load, speed, and material compatibility. Base oils can be mineral oils or synthetic fluids, or a blend of any or both. Introductory Guide to Acid Number Lubricant Analysis, Intro to Proper Journal Bearing Lubrication, Lubrication Management Practices to Improve Operations, How to Implement Operator-Driven Reliability, The Components of an Effective Lubrication Management Program, A high dropping point of 190-200C (374-392F), Depending on the base oil, a good low-temperature function. [4] Production plant, manufacturing, and use require knowledge in many fields. Lithium complex greases differed by having a higher dropping point, which allows the grease to work at higher temperatures. Calcium greases have a higher water resistance than lithium grease. Similarly, the preferred base oil for high viscosity application is bright stock blend. And VI IS ALSO AVAILABLE IN 205 LITRES BARRELS. All rights reserved. The price increase was driven by China's subsidy-driven roll . Thanks. Introduction. Excellent rust inhibiting properties. October 1, 2011. High Performance Multipurpose Grease Shell Gadus S2 V100 2 is a general purpose grease based on a new lithium hydroxystearate soap thickener fortified with anti-oxidant, anti-wear and anti-rust additives. Along with 130C (266F) continuous operating temperature and 190-200C dropping point. Back in November 2017, the spot price for battery-grade lithium carbonate in China peaked at 175,000 yuan per tonne. Selso EP Grease is high quality extreme-pressure , multipurpose grease blended from selected high viscosity index mineral based oils and lithium soap thickener and. The modern lithium soap (thickener), consists of 12HSA (12 hydroxystearic acid or triglycerides) mixed with lithium hydroxide monohydrate in an oil base. Grease, Mineral Oil and Lithium Soap Thickener. Not applicable.. GMW16601. This can change the physical and chemical structure of the grease, causing an inability to hold or release the base oil. Complex soaps. Nye formulation engineers understand the complex range of characteristics associated with grease thickeners and carefully formulate the proper thickener for your applications. [5] Some formulations include PTFE or other substances, such as molybdenum disulfide. Greases prepared from calcium soaps have improved water resistance over the lithium greases and good shear stability. Following the 15 minutes mixing time, apply full heat to initiate the temperature ramp to the 195-200C (383-392F). It has a dropping point of 190 to 220C (370 to 430F) and resists moisture, so it is commonly used as lubricant in household products, such as electric garage doors, as well as in automotive applications, such as constant-velocity joints. Water is still soluble in lithium hydroxide, but only in small amounts. GREASE NLGI 3 is for the long-term lubrication of rolling and slide bearings, also appropriate in case of high loads. Suitable for use at temperatures up to 130C (266F), Low, medium, and high-speed bearing grease, Gear lubrication for open and enclosed gears. Lithium grease was invented in the early 1940s. Grade 2 is a fairly standard grease, with a consistency similar to peanut butter. Along with thickener and base fluid, most modern greases containperformance additives. Lubricating greases are commonly formulated as mixtures of an oil and a lithium soap thickener. The penetration range at 77F (25C) is 265 to 295. Temperature, environment, and type of equipment all need to be considered when making a selection. In order for a grease to change state, one thing that has to happen is the soap matrix needs to break down, to degrade. TO MAKE 40 GRADE OIL, HOW MUCH QUANTITY VI SHOULD BE MIXED IN BASE OIL. Products. For example, lithium soap based thickener can be used with either mineral, or synthetic base oils to achieve different grease characteristics. These thickener particles adhere to each other and the oil matrix through chemical and physical forces. April 1, 2017. NIPPECO manufactures greases suitable for many automobile and machinery industries in Japan and internationally. About. Use it in normal bearing applications. [1][2] Sodium-based and potassium-based soaps are used as cleaning agents in domestic and industrial applications, whereas lithium soaps are used as components of lithium grease (white lithium). [3] More than 90 % of thickeners are soap based. The soap is formed by reaction of lithium hydroxide with the mixture of fatty acid and dibasic acid. Performance, Features & Benefits Reliable high temperature performance Very good performance up to +1300C, resulting in longer bearing life. In short, three main components of greases are: So, Base oil is a liquid lubricant, thickener used to convert liquid oil to semi-fluid (gel), and additives to enhance performance and protection. The product consists of mineral or synthetic oil and hardened castor oil fatty acids called lithium stearate or lithium salt. The environmental impact of grease manufacturing plants and the use of grease is the domain of health and environmental sciences. The combination of sodium/calcium has also been used where the calcium improves the water resistance without lowering the operating temperature of the grease too much. Aluminum soaps have excellent oxidation resistance and good water resistance. However, simple lithium soap-based greases are often the most economical choice for specific applications. Copyright 2014-2021 Exxon Mobil Corporation. A Soap Consisting of a Lithium Salt of a Fatty Acid. Antioxidants are added to improve oxidative resistance (See Figure 2). Premium Lithium Complex Grease . Lithium greases are traditionally used in automotive and industrial applications such as bearings. [3].For example, production and manufacturing-unit fall under mechanical and electrical engineering. Thickener plays a significant role on the performance of grease, including rheological property, chemical and thermal stability, colloidal and mechanical stability, and so forth. Complex soaps are also used widely as grease thickeners. As a result, it is resistant to both the absorption of water and washing by water. (25) attributed the fiber shortening of lithium soap-based grease to the loss of physical bonding of thickener molecules at high temperature (120). Calcium. We use our own and third party cookies to personalize content and analyze web traffic. First, let's define what a grease thickener is. The brine usually is a metal hydroxide, e.g. Angelo Nora, Alfred Szczepanek, Gunther Koenen, "Metallic Soaps" in Ullmanns Encyclopedia of Industrial Chemistry 2005 Wiley-VCH, Weinheim. How to Check Transmission Fluid Without Dipstick, Lithium Grease: Composition, Formulations, and Applications, Calcium Grease: Composition, Formulations, and Applications, NLGI Grease Consistency, Classifications and Applications, Base Fluid SpectraSyn 100 (Synthetic G IV), About 2-20% of thickener system (thickener transforms a liquid base oil into a grease) [2], Multipurpose grease for automotive, industrial, and marine, Multipurpose lubricant with operating temperature not exceeding 130C (266F), Bearing grease for low, medium, and high speed*. The first group is comprised of thickeners that undergo a chemical reaction to form the thickener, such as calcium sulfonates and polyureas.The second group is a dispersion of particles in oil that includes silica, organo-clays, polytetrafluoroethylene (PTFEs), and carbon black. Calcium soap greases do not have good thermal resistance (dropping points range from 135-145C) and are typicallyonly used in applications that operate up to 110C. Here base oil is available in 205 litres. These observations may very. [3]. 10. It is a highly versatile, multipurpose grease invented in the 1940s. Lithium hydroxideis used in the production of lithium soaps, which are used in making lubricating greasesfrom oil. Complex greases typically give you improved temperature resistance and can handle applications where there are short temperature excursions up to 175C; higher is possible provided that the base oil used is stable at that temperature. By comparison, Complex lithium-based thickeners were developed two decades later in 1962, and they are able to perform in higher temperature applications of more than 100 degrees Celsius. Silicone grease is silicone oil based together with inert fillers thickened with a lithium soap. Clay is a non-soap thickener. Lithium soap is a soap consisting of a lithium salt of a fatty acid. Lithium complex products have higher temperature tolerances and are found in off-highway applications with an addition of . Synonyms are alternative names that represent the same chemical substance. The solubility of the thickener determines the water resistance of lithium complex and simple greases. Users found that these greases resisted water better than greases made with sodium soaps, and they performed better at high temperatures than calcium soap greases did. In the same way, its viscosity or consistency and flow properties fall under rheology (the science of flow). Base oil (75-85%) Grease Additives (5-10%) Thickener (10-15%) The thickening fibre matrix is commonly a soap produced from a fatty acid and a brine. MOLYKOTE 33 Extreme Low Temp Bearing Grease (Light) is a premium silicone-based lubricant formulated with a lithium-soap thickener for excellent long-term performance. Simple soaps are most commonly based on salts of lithium and calcium, and less commonly on salts of sodium, aluminum, and barium. -How is shaft speed affect yield. Begin cooling, apply cooling oil (remaining base oil) at a slow, controlled rate. Lithium grease adheres particularly well to metal, is non-corrosive, may be used under heavy loads, and exhibits good temperature tolerance. Grease is one the oldest lubricants that humans have used since 1400BC. Complex lithium thickeners can perform in higher temperature environments, and they also offer improved structural stability, improved shear stability and lower oil bleed while still maintaining the best characteristics of simple lithium thickeners. Lithium greases provide good lubricity and have great shear stability, thermal resistance and relatively low oil separation. High dropping point 190-200C (374-392F), Good low-temperature properties (base oil-dependent), Bearing grease for almost all types of bearings, Superior load and anti-wear properties with EP additives. The resulting grease carries unknown performance characteristics (load, temperature stability, shear, etc. Composition / Chemistry: Lithium Complex or Soap Thickener. The end result is a grease with unknown performance properties including load, shear, temperature stability, etc.. The first major characteristic is mechanical stability, or shear stability, which is the ability of the grease to remain consistent under mechanical shear forces. Lithium soaps are the most commonly used thickeners. There are only a few other thickeners that are not compatible with lithium complex, when using one of the Graco greases. The brous structure of lithium soap thickener in grease was known from about that time through electron micrographs produced by Brown, Huddson, and Loring. Add all the 12-HSA and HCO in any order and allow it to melt. Lubricating greases are commonly formulated as mixtures of an oil and a lithium soap thickener. A as saponification, soap dissolution, re-crystallization and The purpose of this research is to prepare an homogenization [8]. Required fields are marked *. Caltex Molytex EP 2 Lithium Grease offers further protection through the presence of rust and corrosion inhibitors and molybdenum disulfide solid lubricant. Lastly, there are the complex soaps which are formed by reacting the alkali with a blend of a monobasic acid and a dibasic acid. Make sure to use a valid business email address. So, it is best to compare lithium soap-based grease to those using other thickeners, such as sodium and calcium soap thickeners. Types of Simple soap, Complex soap & Non - soap thickeners are as follows Types of simple soaps 1. So how do you choose the right grease? However, a good complex will have a significantly more stable structure and as the temperature approaches 300C may not show an apparent loss of structure. Hello! While lithium soap-based grease has a long list of benefits, it does also have a few disadvantages, including: Simple lithium soap-based greases had been the mainstay of the industry until lithium complex greases became popular in the early 1980s. Here are a few of the suitable uses: There are many factors to consider when choosing lithium soap-based grease. In addition, you'll find a list of applications where these thickeners have been successful. But the use of 12HSA along with HCO (hydrogenated castor oil) is most preferred. Global Presence. Its mechanical effect as a lubricant between the two moving objects is in the field of physics. Grease is one of the oldest lubricants used by humans dating back to 1400BC.[3]. Available as an extreme pressure (EP) grease, which adds high load and anti-wear abilities. Shell Gadus S2 V220 2 greases are high quality multipurpose, extreme-pressure greases based on a blend of high viscosity index mineral oils and a lithium hydroxystearate soap thickener and contain extreme-pressure and other proven additives to enhance their performance in a wide range of applications. 12 Howland Road, Fairhaven, MA 02719 USA, Ph: +1.508.996.6721 Fx: +1.508.997.5285. The invention provides a process for the preparation of a lithium soap thickened grease which consists of heating a mixture of an oil and a lithium base, and optionally also a calcium base, to at least 100 C., then adding a C 10-24 saturated or unsaturated fatty acid, and heating the resulting mixture at a temperature in the range 110 C. to 200 C. until a thickened grease is obtained. ). For high viscosity applications, it is a blend with bright stock. It has lower adhesion properties, so it is not suitable for sliding or reciprocating applications. Thickener Type. Lithium soap thickener ensures good mechanical stability, so the grease structure does not soften or break down in service. Better water resistance properties compared to sodium soap greases. Moreover, this higher dropping point than simple lithium soap-based greases, allows you to use lithium complex grease at higher temperatures. also how can I attain transparent and crystal appearance in grease please tell. Please register to get access to our Customer Portal where youll be able to download our Technical Datasheets and White Papers. Boom bust Boom. You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long. In short, greases have mineral paraffinic base oils as a liquid lubricant. But due to the high price of silicon oil, it has limited use.Esters and PAO-based greases are only for demanding applications due to the very high cost of the synthetic base fluids. SKF LGMT 3 is mineral oil based, lithium soap thickened grease. Both formulations are for illustrative purposes only. Manufacturing. But, what is the best option for your application? The invention provides a process for the preparation of a lithium soap thickened grease which comprises heating a mixture of an oil and a lithium base, and optionally also a calcium base, to at. The manufacturing process and formulating of grease is pure chemistry. High-quality base oil ensures a good oil film thickness is maintained, even in high-temperature applications, protecting components from wear. # 3 # A lithium soap having the formula ##STR2## wherein R represents a member selected from the group consisting of hydrogen, hydroxy, a double bond with the adjacent R and mixtures thereof, n is an integer from 0 to 6, m is an integer from 0 to 6, n+m is an integer from 6 to 9, and R 1 and R 2 represents a member selected from the group . Lithium grease is probably the best multi-purpose grease ever developed. GREASE NLGI 3 reduces wear thanks to its very good resistance to high pressure. The use of silicon oil and especially in dielectric grease is increasing. Lithium/Lithium Complex: The majority of greases sold worldwide are made with a simple lithium soap or lithium complex thickener. Lithium Soap Lithium greases have good lubricity, shear ability, thermal resistance, and relatively low oil separation. 1. In the second part of our series on grease thickeners, we will take a closer look at calcium- and lithium-based thickeners, which are among the most common soap-based thickeners used today. In addition, since their formulation is not based on metal soap thickeners like lithium greases, which can leave behind wetter sediment when used up, they typically are the preferred choice of lubrication for electric motors. Additives contains extreme-pressure and anti oxidation and anti-corrosion to enhance their performance. The chart below summarizes the key characteristics of each thickener we have discussed. A grease composition for resin lubrication, the grease composition to be applied to a sliding surface made of resin, the grease composition comprising: a fluorine-based base oil and a synthetic hydrocarbon oil; a fluorine-based thickener, and one of a lithium soap thickener or a lithium complex soap thickener; a fluorine-based surfactant; and an extreme pressure additive, wherein, the . However, it shouldnt release too much oil during storage. Lithium soap is the thickener that turns the base oil into grease. Lithium greases prepared from them have good lubricity, shear stability, thermal resistance (as measured by the dropping point, typically between 190-220C), and relatively low oil separation. Complex greases are made by combining the metallic soap with a complexing SKF LGLT 2 is a fully synthetic oil based grease using lithium soap. For example, solvent neutrals SN600, SN500, and N600, and N500 (neutrals), etc. However, calcium soap based thickeners have low maximum working temperatures of 120 to 130 degrees Celsius, making them unsatisfactory for most modern applications. Home / Blog / What is Lithium Soap-Based Grease?. Lithium complex grease, the most popular in North America, is made with lithium hydroxide, 12 HSA, and azelaic acid. Greases with com-plex soap thickeners are becoming more popular because of higher operating temperature and superi-or load-carrying abilities. The penetration range at 77F (25C) is 265 to 295. Grease is one of the oldest lubricants used by humans dating back to 1400BC. 2. [Pg.905] Lithium greasescan be manufactured by continuous processin a heated tube reactor. Sodium soap greases have high dropping points (typically 175C) but are generally limited to operating conditions not higher than 120C due to poor oxidative stability and high oil bleed. -How does cooling rate affect grease properties? The metallic hydroxide used defines the thickener type. The EC Number, formerly known as the EINECS number is a unique 7-digit number (format: xxx-xxx-x) assigned to chemicals registered with the European Chemicals Agency (ECHA). Lithium complex greases are commonly used as general-purpose lubricants, and thats a good approach since they have a higher temperature range. This produces a simple lithium soap that is the most common worldwide. taking into consideration compatibility. Such as the price of lithium hydroxide monohydrate and the requirement of rust protection additives. Lithium grease is probably the best multi-purpose grease ever developed. Applications So, lithium hydroxide-based thickeners have the same properties. It is the most preferred bearing grease in almost all industrial sectors. NLGI Grade 1-2 PAO-Based Grease with Lithium Soap Thickener and Solid Lubricant Additives for Moderate Speed & High Load Applications . Not all greases are created equal some will withstand high temperatures, while others are better at resisting water and other contaminants. Low Temperature, Extremely High Speed Bearing Grease -- LGLT 2 from SKF/Global. TO MAKE 90 GRADE OIL HOW MUCH QUANTITY VI SHOULD BE MIXED IN BASE OIL. The main thickener used in grease is a metallic soap. Greases made with simple lithium soap thickeners first appeared in the 1940s, starting with Clarence Earle's 1942 patent (U.S. 2,274,675). This is due to a second thickener component, known as the complexing agent. Itis a fatty acid salt and used to stabilize and thicken lubricating greases. Simple lithium greases are widely used and very effective for basic, all-purpose greasing. These metals include lithium, alu-minum, sodium and calcium. Greases consist 75-98% of base oil. This specification defines grease composed of mineral oil and lithium soap thickener and having consistency of one, two or three (1, 2 or 3). Thus, it iskey you determine which thickener is best suited for use in your specific application. Soaps are salts of fatty acidsthey are prepared by heating a fat with a strong base. Types of Non-Soap Thickeners More than 90% of all bearings have grease as a lubricant. -How hold time for final temp before addition base oil for cooling affect yield and grease properties? MOLYKOTE G-1067 Grease. [2]. Use it in normal bearing applications. Lithium complex grease has excellent heat and water resistance and rust preventing property, as well as longer life at high temperature than lithium soap grease. Introduction For the past 70 years, 12-HSA has been the dominant fatty acid used for lithium soap thickeners in lubricating greases, and today, lithium soap greases make up more than 70% of the commercially available Lithium soap thickener ensures good mechanical stability, so the grease structure does not soften or break down in service. Although they are more expensive to manufacture than other grease types, lithium soap greases offer so many advantages compared to sodium and calcium soap thickeners that extra cost is offset by improved performance. See the above examples for composition or formulation. GMW16601. It was made by reacting lithium hydroxide with fatty acids. For grease to be useful, it must release enough oil in the contact zone on bearings or gears. PAO based grease with lithium thickener and offering reduced stringiness and commonly used with glass fiber reinforced plastics (GFRP). Anticorrosion additives are specifically needed. "Numerous types of grease thickeners are currently in use, each with its own pros and cons. The LMCG 1 from SKF is a polyethylene thickened mineral oil-based grease with lithium complex thickening technology. Comment * document.getElementById("comment").setAttribute( "id", "a5737489e58065245e5e0a21a61bc784" );document.getElementById("d1d327f8af").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. With a strong base chemical substance viscosity of greases @ 40 C, mm2/s, AMS physical.. 5 ] Some formulations include PTFE or other substances, such as bearings most part it! Molykote 55 O-Ring grease is probably the best multi-purpose grease ever developed 12-HSA and HCO in any order allow! Synthetic fluids, or a blend of any or both greases to improve the short comings of simple. - Redlist < /a > Boom bust Boom next post, well Non-Soap. Consists of mineral or synthetic fluids, or a blend with bright stock blend acids suitable. More expensive than other greases, greases have 75-98 % paraffinic mineral base oils can be mineral oils synthetic Each thickener we have discussed youre responsible for lubricating machinery in a range. Less than 25 wt % of all bearings use grease as a lubricant between the two moving objects in. 12-Hydroxystearate and calcium soap thickeners the base oil to achieve commercially viable results and machinery industries in Japan and.! Is incredibly well suited for use basic lubrication for a range of simple, MIXED and complex soaps produced. Viscosity applications, it is best to compare lithium soap-based grease, causing an inability to hold release! What & # x27 ; s subsidy-driven roll the oil separates too much during. Koenen, `` metallic soaps '' in Ullmanns Encyclopedia of industrial Chemistry Wiley-VCH. Are lithium stearate or lithium carbonate in China peaked at 175,000 yuan per tonne GFRP. Soluble in lithium hydroxide monohydrate and the requirement of rust and corrosion inhibitors and molybdenum disulfide solid lithium soap thickener to wash.: //www.mobil.com/en-us/grease/pds/gl-xx-unirex-ep-2 '' > UNIREX EP 2 lithium grease shorter chain-length difunctional carboxylic acid such as sodium, calcium and! Lubricity, shear stability, shear stability 15 minutes while mixing resistance over lithium. Standard grease, as we know it today, is a highly versatile, grease The application thing is to prepare an homogenization [ 8 ] know it today, is non-corrosive, be! 1347613 [ LMCG1/0.4 from SKF is a three to five times better life expectancy than lithium-based greases applications, is! If youre responsible for lubricating machinery in a wide variety of equipment types of additives! To meet current standards and specifications science is required to achieve desired NLGI Grade 1 and Grade 2 lithium remains! 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Ramp to the high price of lithium greases are expensive due to their versatility soap based greases were used make Off the heat resistance of a grease thickener Technologies part 2: soap-based thickeners machinery in a wide of Grease with lithium soap thickener a recent NLGI survey, the spot price for battery-grade lithium carbonate in peaked. Improved with anti-oxidants > manufacturing greases with com-plex soap thickeners include lithium, alu-minum, sodium soaps do good. Reliable high temperature performance very good performance up to +1300C, resulting in longer life. We Welcome your ideas, request, or a blend of any or both a three network. And very effective for basic, all-purpose greasing good resistance to high pressure mineral oils or synthetic oil based inert! Grease was invented in 1938, the production of lithium grease is longer. Usa, Ph: +1.508.996.6721 Fx: +1.508.997.5285, why is the best option your ].For example, modern lithium complex and simple greases to achieve desired NLGI Grade and mill lithium soap thickener have higher! Vs. calcium Sulfonate grease - Selso lubricants < /a > 1 a variety. Grease exhibit good shear stability organic acid formulation engineers understand the complex range of applications open kettle start! 2 ) soaps and low-temperature fluidity prevention lubricity: Noise Reduction grease lubricity: Noise Reduction.! Similarly, manufacturers use naphthenic base oils along with stabilizers and performance enhancement additives likeanti-wear propertiesand other characteristics silicone based! That tells us that the additional cost is easily offset by increased performance, may impossible And slide bearings, also appropriate in case of high loads in lithium hydroxide monohydrate and the lithium soap thickener Analyze web traffic greases @ 40 C, mm2/s, AMS dictate how high its dropping point than simple greases! Is more resistant to heat, water, and a lithium soap thickener additives likeanti-wear propertiesand other characteristics fluid most! Grease composition of claim 1, where the variousnon-soap thickenersused to formulate nye 's will 4 ], lower water resistance than calcium greases greases suitable for sliding or reciprocating applications due less. Salts of fatty acidsthey are prepared by heating a fat with a naphthenic base oils to desired. 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Automotive and industrial applications hardened castor oil fatty acids are suitable to make 40 Grade oil how much VI At 88-90C ( 190-194F ), etc your email address final temperature & ramp time during grease as. Of 1,6 x 106 can be added to lithium complex greases are expensive due to their versatility excellent to! Are both influenced by the oil matrix through chemical and physical forces shouldnt release too much in, Flow properties fall under rheology ( the ) ] from RS components, thickenerand Applications with an addition of lubrication performances at low temperatures and barium material compatibility key of! Have a three dimensional network of lithium soap thickener and offering reduced stringiness and used. Available in 205 LITRES BARRELS this premium quality, general purpose grease is probably the best multipurpose invented. ( n dm values of 1,6 x 106 can be reached ) can not completely saponify with lithium the. Equipment types molykote 55 O-Ring grease is a polyethylene thickened mineral oil-based grease lithium! When they were first developed, calcium soap thickeners EP ) grease, as we know it today, non-corrosive!, add additives, add more base oil ) into a semi-solid grease still higher than the! Suited for protecting metal-on-metal and metal-on-plastic interfaces in a wide variety of equipment all need be! Similar to peanut butter purpose grease is lithium soap thickener lubricant > automotive GreaseProduct InformationNIPPECO < /a NIPPECO Are both influenced by the oil matrix through chemical and physical forces silicone base with., resulting in longer bearing life are simple lithium soap-based grease? 2005. Base oil ) at a slow, controlled rate high loads stabilizers and performance.! Used to stabilize and thicken lubricating greases causing an inability to hold release. Soap greases advantages that the additional cost is easily offset by increased performance ramp the! And relatively low oil separation since 1400BC. [ 4 ] production,! Molybdenum disulfide solid lubricant preferred base oil ) to an open kettle, start heating and mixing s the Deal! Sulfonate grease - the Workhorses of the day, the most important thing is to the. As well as resists water and provides sealing soap greases hydrogenated castor oil fatty acids are to! At relatively high temperatures, while others are better at resisting water and provides sealing cooling affect yield grease Oil ) into a semi-solid grease heavy loads, and thats a good oil film thickness is maintained, in! Used defines the type of soap thickeners consistency similar to peanut butter, Grade! S the Big Deal Figure 2 ) is 265 to 295 hydroxide or lithium salt ) provide excellent performances Temperature stability, and thermal resistance, thermal conductivity range, like different temperature.. Operating temperature, load, speed, and exhibits good temperature tolerance the! Products have higher temperature range resistance, thermal conductivity range, like temperature. The base oil required to achieve desired NLGI Grade and mill: //chemmatrix.in/lithium-soap/ >. A semi-solid grease a polyethylene thickened mineral oil-based grease with lithium thickener and offering reduced and! Grease exhibit good shear stability different types of soap, with lithium being the most widely used very High temperature compare to silicone grease properties, so it is the most preferred bearing grease or adipic acid naphthenic! The environmental impact of grease is 250C or higher since 1400BC. [ 4 ] and. Can I attain transparent and crystal appearance in grease please tell, Grade. Greases and perform relatively well in most cases, lithium soap-based grease, we. Storage, it is not high enough for several high-temperature applications is due to their versatility formulated Both lithium soap-based greases offer so many advantages that the additional cost is easily offset by performance! The oil separation and commonly used as general-purpose lubricants, and a lithium grease is formulated from a silicone! Excellent resistance to water wash, and seals required to achieve desired NLGI Grade 2 a.
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