Lithium soap: 2 Low temperature performance Compatibility with plastics: PERMALUB CPL-501: Synthetic oil: Lithium soap . More than 90% of all bearings have grease as a lubricant. Simple lithium soaps are often used in low-cost general-purpose greases and perform relatively well in most performance categories at moderate temperatures. 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. Cool to below 80C (176F), add additives, add more base oil to achieve desired NLGI grade and mill. TO MAKE 90 GRADE OIL HOW MUCH QUANTITY VI SHOULD BE MIXED IN BASE OIL. At this time, modern lithium soap (thickener) consists of 12HSA (12-hydroxystearic acid, or triglycerides) with lithium hydroxide monohydrate in a base fluid. View Details. WHAT IS MULTI-PURPOSE GREASE USED FOR - Epoxy Oil Grease Manufacturing: Lubricating grease is no longer an art but a science. MOLYKOTE 33 Extreme Low Temp Bearing Grease, Light -50 C ( -60 F) and extremely high speeds (n dm values of 1,6 x 106 can be reached). Clay is a non-soap thickener. This reaction has a special name: saponification. Soap thickeners not only provide thickening agent, usually soap in a liquid lubricant and rigidity to grease and they also affect desired properties may also contain additives that upgrade. US5236607A - Preparation of lithium soap thickened greases - Google Soap thickener - Big Chemical Encyclopedia [4] Production plant, manufacturing, and use require knowledge in many fields. lithium 12-hydroxystearate grease is probably the best multipurpose grease ever developed. 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. So, it is best to compare lithium soap-based grease to those using other thickeners, such as sodium and calcium soap thickeners. Chem LiHSA is Lithium 12 Hydroxystearate. Sodium soaps do provide good shear stability and lubricity. Lithium Grease-Composition, Formulations, and Applications NIPPECO manufactures greases suitable for many automobile and machinery industries in Japan and internationally. Add more base oil as needed to facilitate mixing. Shell Gadus S2 V220 2 greases are designed . PAO based grease with lithium thickener and offering reduced stringiness and commonly used with glass fiber reinforced plastics (GFRP). 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. In the real world, considerable formulation science is required to achieve commercially viable results. "Numerous types of grease thickeners are currently in use, each with its own pros and cons. The portion of the grease that determines the compatibility is the thickener. IndustrialLithium Soap GreasesSUMICO LUBRICANT CO., LTD. The different types of soap thickeners include lithium 12-hydroxy stearate soaps, lithium stearate soaps, calcium soaps, sodium soaps and aluminum soaps. The chart below summarizes the key characteristics of each thickener we have discussed. Simple lithium greases are widely used and very effective for basic, all-purpose greasing. 1. At the end of the day, the most important thing is to select the right grease for the application. With a consistency similar to peanut butter, NLGI Grade 2 offers a standard grease thickness. Formulations for simple soap lithium greases are listed. Automotive GreaseProduct InformationNIPPECO This is due to a second thickener component, known as the complexing agent. Grease is a widely applied lubricant mostly used in rolling bearings. Welcome! ChemMatrix Inc. Non-Soap Greases PDF Modified Fatty Acids as Alternative Soap Thickeners for Lubricating Greases Grade 2 is a fairly standard grease, with a consistency similar to peanut butter. 12 Howland Road, Fairhaven, MA 02719 USA, Ph: +1.508.996.6721 Fx: +1.508.997.5285. Complex soaps. Along with thickener and base fluid, most modern greases containperformance additives. Best Grease For Bench Vise - Tools Guidance According to a recent NLGI survey, the production of lithium greases is higher than all other greases combined. materials? Nye formulation engineers understand the complex range of characteristics associated with grease thickeners and carefully formulate the proper thickener for your applications. Water is still soluble in lithium hydroxide, but only in small amounts. Thereis a wide variety of soap greases to choose from and they all have different physical properties where the application requirements dictate which soap is best. Hello! grease thickeners - The Lubricant Store 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. So that tells us that the kind of thickeners used to make the grease will dictate how high its dropping point is. Complex greases are made by combining the metallic soap with a complexing Soap thickened greases consist of simple, mixed and complex soaps. Antioxidants are added to improve oxidative resistance (See Figure 2). The most common types are simple lithium soaps, lithium complex and polyurea. Thanks. CA2059234C - Preparation of lithium soap thickened greases - Google Patents Types of Simple soap, Complex soap & Non - soap thickeners are as follows Types of simple soaps 1. Lithium Multipurpose Greases - Grainger Industrial Supply Material Description. Greases made with simple lithium soap thickeners first appeared in the 1940s, starting with Clarence Earle's 1942 patent (U.S. 2,274,675). The solubility of the thickener determines the water resistance of lithium complex and simple greases. Here, lithium complex-calcium sulfonate (L/C) greases were synthesized via regulating lithium complex soap and calcium sulfonate in the molar ratio of 1:2, 2:1 and 1:1, along with thickening the polyalphaolefin (PAO40 . Complex soaps are also used widely as grease thickeners. UNIREX EP 2 - Mobil Lithium greases using a thickener formed by reacting a simple lithium soap with an acid are known as lithium complex greases and have higher dropping points as well as improvements to other properties.[6]. Thickener Type. What is Lithium Grease vs. Lithium Complex Grease? The LMCG 1 from SKF is a polyethylene thickened mineral oil-based grease with lithium complex thickening technology. Lithium complex grease with improved thickener yield Performance, Features & Benefits Reliable high temperature performance Very good performance up to +1300C, resulting in longer bearing life. Following the 15 minutes mixing time, apply full heat to initiate the temperature ramp to the 195-200C (383-392F). Lithium complex grease, the most popular in North America, is made with lithium hydroxide, 12 HSA, and azelaic acid. Grease is one the oldest lubricants that humans have used since 1400BC. But the use of 12HSA along with HCO (hydrogenated castor oil) is most preferred. In the same way, its viscosity or consistency and flow properties fall under rheology (the science of flow). Add the initial base oil (40-60% of total base oil) to an open kettle, start heating and mixing. You may ask yourself why the selection of a grease thickener is so important to your application. Applications However, it shouldnt release too much oil during storage. In most cases, lithium soap-based greases offer so many advantages that the additional cost is easily offset by increased performance. Lithium greases are expensive due to the high price of raw materials. Lithium Complex vs. Calcium Sulfonate Grease - The Workhorses of the Mixing greases in a system can cause issues with thickener systems reacting with each other. Furthermore, small amounts of polymer additives can be added to lithium complex and lithium soap-based greases to improve their water resistance. PDF Shell Gadus S2 V100 2 "Grease Selection: Lithium vs. Lithium Complex", https://en.wikipedia.org/w/index.php?title=Lithium_soap&oldid=1118611649, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 27 October 2022, at 23:41. grease based on a Lithium-12-Hydroxy stearate soap for long time lubrication under high load. Thickener plays a significant role on the performance of grease, including rheological property, chemical and thermal stability, colloidal and mechanical stability, and so forth. Primary Chemical Name is the standard name assigned to a chemical substance. Thickener Base Oil Kinematic Viscosity of Base Oil 40 Weld Load by Shell Four-Ball Test 1760rpm,10sec Approximate Operating Temperature Range Description NET, Packing Unit, Code; Sumigrease BG: No.3 240 Light Brown: Lithium Soap: Mineral Oil : 99mm 2 /s: 1,236N: 20+130 A lithium soap grease with excellent water resistance and . Copyright 2014-2021 Exxon Mobil Corporation. Lithium soap complex. Here are a few of the suitable uses: There are many factors to consider when choosing lithium soap-based grease. Lithium greases are traditionally used in automotive and industrial applications such as bearings. For starters, almost 70% of grease on the market is lithium soap-based grease! They offer excellent lubricity, shear stability, and thermal resistance. Lithium soap is the thickener that turns the base oil into grease. The modern lithium soap (thickener), consists of 12HSA (12 hydroxystearic acid or triglycerides) mixed with lithium hydroxide monohydrate in an oil base. When they were first developed, calcium soap based greases were used to provide basic lubrication for a range of simple applications. sbm/sbm guangdong mineral selecting thickener.md at master - sbm A Available as an extreme pressure (EP) grease, which adds high load and anti-wear abilities. April 1, 2017. The grease composition of claim 1 , where the amount of thickener and any. 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