The ability of a lubricant to reach critical metal-to-metal interfaces in a gear system can be the difference between operation or shutdown. These excellent pour points are achieved while increasing the viscosity indices (VI) over traditional HV PAO. Aluminum is compatible with fluids such as polyalphaolefin (PAO), oil, ethylene glycol and water solutions (EGW), as well as Fluorinert, an electrically insulating inert perfluorocarbon fluid manufactured by 3M and used in many electronics cooling applications. Meet new original equipment manufacturer and industry standard requirements. The more EO monomer in the basestock, the more water-soluble; the more PO monomer, the more water-insoluble; and the more BO monomer, the more oil-soluble the basestock is. PAOs on the other hand are derived from a clearly defined processing technology using petrochemically pure alpha olefins. So you can look to Synfluid PAO to help you formulate lubricants with both environmental benefits and outstanding performance properties. So yes, PAOs can provide flexibility in your food-grade base oil selection, depending upon your performance requirements. Better heat transfer coefficients, increased lubricity and the basic chemical structure of PAOs all contribute to the lower temperature in the gearbox. Tiny bubbles these can cause major issues, such as shorter lubricant life, increased fluid compressibility, lower fluid viscosity and cavitation. Polyalphaolefins offer great high temperature properties and low volatility. polyalphaolefin-based lubricants. Lower-viscosity PAOs have a unique property of biodegradability. Polyphenols are a complicated group of plant-based chemicals. PAO-based greases are typically used at temperatures over 100C because of thermal and oxidative concerns. %PDF-1.6 % This is a recurring situation and is what led to the development of 1-dodecene based Synfluid PAOs in 1995. Weve got you covered! John Sherman is Shell Project Lead PAG Lubricant Technology, Industrial Oils and Tech Services; Robert Profilet is Technology Manager, Industrial Lubricants; Warren Cates is Shell Senior Researcher, Industrial Oils and Tech Services; Iris Song is Shell Engineer, Industrial Oils and Tech Services; and Sameer Sathaye is Shell Project Leader Industrial Oils, Industrial Oils and Tech Services. It is a synthetic hydrocarbon (SHC) that mimics the best hydrocarbon (branched) structure found in mineral oils. Fluid distribution panels are also discussed. Polyalphaolefin does not contain ring structures, double bonds, sulphur, nitrogen components or waxy hydrocarbons. Remember, PAOs are carefully designed, not refined. Later used in many industrial applications from compressor, hydraulic, and turbine fluids to gear oils and metalworking fluids. 0000003221 00000 n The reason a PAO is selected as a lubricant basestock is its ability to improve performance and solve problems. 56 0 obj<>stream From left-to-right, Ken Hope, General PAO Technical Services Manager; EngSoon Ho, Asia PAO Sales Manager; Emanuele Quattrone, EMEA PAO Sales Manager; Katie Clark, Americas PAO Sales Manager. The advantages offered in oxidative stability, coupled with superior volatility and low-temperature viscometrics, clearly demonstrate that Synfluid PAOs are the highest-quality base oils available in the industry. The rotary bomb bench test is a strong predictor of how base oils will perform in many automotive and industrial applications. You bet! C12-derived PAOs also provide advantages with higher Viscosity Index (VI), better flash/fire points, and even lower cold crank simulated viscosities. Absolutely! Blending lower-quality base oils into this formulation would compromise the passing mark. First, dont touch the gear box; you will burn your hand. PAG basestocks are classified as a Group V oil, meaning a synthetic basestock that is not defined as a Group I, II, III, or IV base oil. / Galvanized steel is susceptible to attack by some chemicals which may cause . For other applications, PAOs safe and non-toxic nature allows them to be used where incidental food contact certification or kosher approval is necessary. These include PAOs and also relatively common polyisobutenes (PIB), which are sometimes used as oil additives or as base oils in two-stroke engines. endobj They are also employed as base fluids in some wide temperature range greases. www.topworx.com Epoxy Polycarbonate PBT Brass 316 S.S. 304 S.S. 400 S.S. Aluminum Viton Buna N Neoprene EPDM Silicone Ammonium Phosphate, Monobasic A C B B B A A A A A Ammonium Phosphate, Tribasic A B B B B A A A A A Ammonium Sulfate A B B B A A A A A A Ammonium Thiosulfate A A A Amyl Acetate A A A A B A D D . Entergy Grows Revenue, Increases Customer Satisfaction with Value-Added Services, Flexible & Reliable: Optimal performance amid variable power generation, AI in Renewables: The Secrets to Successfully Scaling a Diversified Fleet. In addition, a PAO-based multi-purpose grease can be formulated to be both H1 and kosher approved. 0000034812 00000 n <>>> 0000139641 00000 n CHEMIC ATIBILITY 3 Updated 7/2/13 CHEMICALS METALS PLASTICS, ELASTOMERS & LEATHER A: Excellent, B: Good, C: Fair to Poor, D: Not recommended While one lot of Group IIIA mineral oil passed this battery of tests, it is quite different from the quality of the other Group III stocks. PAOs are considered a very pure substance since they are derived from petrochemically pure ethylene and then from 1-decene or 1-dodecene, which could be considered a further purification step. Several synthetic base oil types fall into the SHC category. This article will discuss the most common synthetic fluids aiming to help end-users make the right choice for their applications. Address specific system site conditions (potential for water ingression). 232 0 obj Compatibility for Base Oil Families Soluble in large fraction Weakly soluble Insoluble Varies with grade Solvent Compatibility for Base Oil Families Note 1: For cross reference to trade names, consult Modern Plastics Encyclopedia, '97, McGraw-Hill Company, New York, 1997. The chart compares two different formulations, one with PAO and another with Group III mineral oils The End of Test viscosity increase left very little room for error in the Group III formulation. The relative availability of olefin monomer was certainly a consideration (i.e., 1-octene vs. 1-decene). One reason for moving to low-viscosity oils is to focus on initial and long-term fuel economy. polyalphaolefin compatibility chart. Chemical Compatibility Guide Recent advancements in additive technology and synthetic base fluid manufacturing are pushing the performance edges that make current lubricant offerings better than ever. 0000003107 00000 n We agree, deciphering the requirements that allow you to identify your products as eco-friendly such as the upcoming BioPreferred label can be mind-boggling! 0000000549 00000 n Polyalphaolefin is by far the most common major synthetic base oil used in industrial and automotive lubricants. To improve fuel economy, OEMs are moving toward lower-viscosity oils, even in heavy-duty diesel engines. guide for chemical uses endobj Adobe InDesign CS6 (Macintosh) Chemical Compatibility Guide Leaking fluids from equipment used in sensitive geographical areas can have long-term negative consequences on the environment. 97 0 obj default hak1YmPaZI>BYzW+d~2^!dVQ ," #@^Ht 9@}VNJ ,kmLrVT U$^H-1' fMH]T U #5o=EmWae4/nW7fg9on_~mSPI_L7borVsezS[uWdg[]]>oo.o7t|xsMU/ojy4i_[u;cJ~Oz5wj1S5"b!CBd2$U3@Rb'EsHd*DzHWcucC=d8tl=d8,trSdx}=dXY>BR>!GB=dph\Wg0?0. More specialized polyolefins include polyisobutylene and polymethylpentene. The trend falls short when comparisons are made between PAOs and mineral oils, based solely on the VI. from application/x-indesign to application/pdf In addition to meeting current limits, a lower viscosity will reduce energy consumption. The higher the coefficient, the greater the change in viscosity at elevated pressures. The chart below shows rotary bomb (ASTM D2272) results between Synfluid PAOs and some mineral oils. 0000135019 00000 n Additives will increase the overall viscosities; however, PAO base oil leaves plenty of room for meeting specifications. The chart below shows pressure coefficient comparisons between PAOs and Group III mineral oils versus pressure: Gear systems are specially designed and require highly specialized lubricants. Polyalphaolefin (PAO) is manufactured through a synthetic chemical process that originates from ethylene. Synthetic lubricants can meet these demands because they perform better than mineral oil-based lubricants in many or all the critical performance areas: reduced wear and friction, resistance to sludge formation, lower volatility, greater corrosion protection, and improved thermal and oxidative stability. These oligomers are distilled and hydrogenated to yield specific molecular weight ranges that meet the viscosity grades that are desired. These properties translate into easier distribution of the grease and improved energy efficiency in the equipment. 4 0 obj <> endobj This same technology can also be beneficial for biobased gear lubricants, chain and cable lubricants/greases, and other applications for equipment used in sensitive environmental areas. 89 0 obj You would expect the viscosity to improve with a lower pour point, but the opposite is true. Our safety, technical and regulatory product information, as well as company and industry resources. Synfluid PAO 5 and PAO 7 also offer several advantages in addition to the volatility, such as low pour point, high viscosity index, improved oxidative stability and excellent low-temperature viscosities. There are indeed pressures in the industry that require improved oxidative stability. As shown in the chart below, our PAOs have shown very little fluctuation over the years, with stable viscosities at 100, 40 and -40C even as weve made improvements to characteristics such as oxidative stability. 0000001726 00000 n 0000048689 00000 n Low-viscosity PAO fluids are used in automotive applications, such as engine oil and gear lubricants. What is most interesting, however, is the low-temperature performance: The C10-based PAO 6 has the lowest pour point by over 20C, but the CCS viscosity for the C12-based PAO 5 and 7 blend is better. Both the foam tendency (the initial amount of foam generated in this test) and the time required for the foam to collapse are remarkably better for Synfluid mPAO. Were here to help. PAO basestocks using conventional catalysts are commercially produced in five low-viscosity grades and two high-viscosity grades to a maximum viscosity of 100 centistokes (cSt) at 100C. converted This is one clear benefit of using a carefully designed base oil. More importantly, however, was product performance. PAOs help meet and exceed the formulation requirements necessary in a wide variety of specifications, including Allison TES-295, Eaton PS-162 and Mil-2105. Were a company with deep-rooted values, and were looking for people like you to join our team. Fluids are typically subjected to various shear and temperature conditions. The term synthetic hydrocarbon (SHC) is a general term. Engine oil tests such as VW T-4 and Seq. In both cases, the reduction in volatility will translate to lower oil consumption and reduced engine varnish over the life of the oil. Driveline specifications continue to become more stringent. There are multiple considerations when determining the best synthetic lubricant for a particular application, but knowledge of the general properties of the synthetic lubricant types being considered is the starting point. General properties of water-soluble, water-insoluble, and oil-soluble PAG basestocks are shown in Table 1. Chevron Phillips Chemical has consistently said that we would bring something to the market when we could provide products that are unique and offer advantages to our customers. There are distinct advantages in volatility and low-temperature viscosity. Low-viscosity Synfluid PAOs are both NSF H1 and HX-1 registered. <<264FCCC095A7AD46A42A03D56AD5B96C>]>> Were a company with deep-rooted values, and were looking for people like you to join our team. Because PAOs have a diverse, highly branched isoparaffin structure, they provide excellent low-temperature viscometrics and very low pour points (ppt) without adding PPDs. Due to constraints with the supply of 1-decene, the traditional feedstock for PAOs, producers have experimented with alternative feedstocks to meet demand. However, nothing is perfect, and polyalphaolefin base oils do have a few negative characteristics. These include the tendency to shrink seals and trouble dissolving common oil additives. With regard to performance, PAOs are able to maintain excellent thermal and oxidative stability at high operating temperatures in addition to the low-temperature benefits for which they are known. 10.1 Introduction. Understanding this advantage is important for optimizing the performance of todays fluids and improving the life of equipment. Cant find what youre looking for? The chart below shows how Synfluid PAOs can help meet these challenges with the excellent volatility properties of our PAO 5, 7 and 9 cSt grades. 0000140275 00000 n H|% `\ml emt8uHJs;7W*"_?~o~O? 0000032842 00000 n Because of this extensive chemical compatibility, which spans considerable concentration and temperature ranges, . High temperatures can thin and break down oil, crippling its lubricating ability, whereas low temperatures can rob a lubricant of its ability to reach critical parts. They may also be used to develop high-performance, environmentally friendly lubricants. This Chemical Compatibility Guide is offered for informational purposes only and was developed from information sources other than SpillTech. There can be many benefits from choosing a high VI base fluid. Improved equipment efficiency and energy savings. Grade Name. They're found in everyday food and available as supplements. <>stream While typical hydraulic oils are not biodegradable, this new system achieves the ultimate biodegradation rating (ASTM D5864 PW1) and even improves several performance parameters, not previously attainable. Ethylene is produced by cracking either crude oil or natural gas. When PAO 5 and PAO 7 are compared to equiviscous blends of other PAOs, the volatility advantage can be seen more clearly. These compounds are not discernable in Synfluid PAOs. <> 0000001764 00000 n The table below shows a comparison of conventional hydraulic oils with the new PAO biobased lubricant from RLI. 0000036915 00000 n Defense Daily subscriber and registered users, please log in here to access the content. LDPE is defined by a density range of 0.910-0.940 g/cm3. With the powerful combination of MOLYKOTE. 2013-07-10T14:05:23-05:00 This is a far greater benefit than can be achieved from other base oils. PAG lubricant basestocks can be designed to be water-soluble, water-insoluble (partial mineral oil compatibility), or oil-soluble, depending on the selection of starter molecules and monomers to be used in producing the polymer. Some properties such as Viscosity Index (VI) or C viscosity can approach those of PAOs. D = Severe Effect, not recommended for ANY use. Polyalphaolefins (PAO)-60 to 125 C Stable, lubricious fluids compatible with most plastics and elastomers. Meet additional regulations (fire-resistance, environmental acceptability). Each 10C temperature rise can reduce oxidative stability by half. A drop-in replacement for petroleum, it's used in countless applications in many industries. However, PAOs can help. Note the differences between a VHVI mineral oil and Synfluid Polyalphaolefin (PAO) 5 in the Scanning Brookfield chart below. You see, the jump hurts the pump.. Using Chevron Phillips Chemical Synfluid PAOs, OM Group (OMG) has developed a revolutionary new, lower-temperature, abbreviated process for producing greases. Satisfactory to 72 F. 3. While viscosity improvers can enhance VI, they can break down over time, resulting in diminished performance. PAOs are uniquely suited to aviation hydraulics because of the inherently high flash/fire points and low volatility.
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