polyalphaolefin compatibility chart polyalphaolefin compatibility chart

Although VI is an important indicator, when used alone, VI is misleading. The chart below shows that the PAO has a higher specific heat, which means that the PAO is better at absorbing heat. startxref Polypropylene Satisfactory to 120 F. 4. The tests used below were the Cold Cranking Simulator for high shear (about 10-1 sec-1) and Brookfield viscosity for low shear (about 2 sec-1) each measured at -20C. PAOs are used extensively in automotive fluids as well as hydraulic, gear and bearing oils, working in extremely cold climates or hot applications. Because metalworking processes can generate heat, these properties give you an intrinsic safety margin over the more volatile oils that are typically used. 273 0 obj <> endobj xref 273 24 0000000016 00000 n Chemical Compatibility Guide Both lubricant types are used in industrial gearboxes, compressors, and even air conditioning systems. According to the U.S. government, biobased is defined as at least 44% biobased carbon content for hydraulic fluids. ]-]jW|^X^=E^7J3kgI%_9+v}Fwq{r9 *d(C>~z|7X#o!9lwu{^1se9),7v)mE,wa?t3 a$X{wzVAw}E^:5--_OXY+. 0000001764 00000 n As the viscosity grade decreases, the volatility and high-temperature/high-shear viscosity will be limiting factors. Adobe InDesign CS6 (Macintosh) <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 160 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> This is the case for blending Synfluid PAO 5 and PAO 7. PAO fluids are classified as a Group IV base oil and are made by a two-step reaction process using linear alpha-olefins like 1-decene. 91 0 obj endobj 4e739735ec50523ad929b6aac8340ae467185943 '0v^ Ln 1qDP]C[,z[v(u_g.Fh{K>8rI,[GV&mE}^ 9S87PGgT hO"4=]3JVp ZmU[@=ocLV]P *y`# dY'!3!IP0O. P.V.C. xmp.did:00801174072068118083E936383AAE83 The most favorable performance is achieved by using the highest-quality base oils. PAG-based lubricants are commonly used in compressors, gearboxes, air conditioning systems, metalworking, quenching, and hydraulic systems where fire-resistance or environmental acceptability are required. 0000001332 00000 n The rotary bomb bench test is a strong predictor of how base oils will perform in many automotive and industrial applications. With many new base oils being introduced to the market, lubricant consistency can really be a challenge. Group III mineral oils and Group IV PAOs are not of the same quality. We offer a wide range of solutions essential to your products. hb```b``nd`c``. We look forward to helping you consolidate your grease cabinet! After the formation of the Chevron Phillips Chemical joint venture in 2000, a 10 KTA PAO unit expansion followed soon thereafter. Recent advancements in additive technology and synthetic base fluid manufacturing are pushing the performance edges that make current lubricant offerings better than ever. No matter what the combination of additive or base oil, one thing is certain: When you begin with a higher-quality base oil, you will achieve a better formulation in the end. For the highest quality and performance, choose Synfluid PAO. One way to achieve a higher VI base fluid is to shift from a decene-based PAO to a dodecene-based PAO. Satisfactory to 72F (22C) 2. Compatibility testing is the best option. This new system improves the viscosity properties, which should be more energy conserving and achieves the ultimate biodegradation rating ASTM D5864-PW1. <> 0 endstream endobj 8 0 obj <>stream This resistance to fire and flame propagation improves the margin of safety in the event of a hydraulic leak. 0000004079 00000 n PPDs act only on linear or waxy compounds, and these characteristics are absent from PAOs. proof:pdf 176 0 obj Address specific system site conditions (potential for water ingression). There are emerging markets that demand the improved VI and volatility that only the C12-based PAOs can deliver. Cant find what youre looking for? You bet! Therefore, at high temperatures, it is advantageous to utilize a more stable base oil, specifically Synfluid PAO. Polyalphaolefin Characteristics To improve seal compatibility of PAO-based lubricants, an ester is added to the formulation to add some polarity. Chevron Phillips Chemical has been producing two families of PAOs for close to 25 years. 0000012483 00000 n Low-temperature fluidity and high-temperature thermal and oxidative stability are key factors for choosing a PAO. Effect of Base Oil Type on Gear Box Temperatures. Why does this happen? 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. Other base oil properties need to be considered. If pour point is not a critical property in your application, then blending a PAO 5 and PAO 7 might give you that clear advantage that you are looking for. %PDF-1.4 % Of course, and your options are growing! In the past three years, European specifications for volatility and oxidative stability have become significantly more stringent. The magnitude of these benefits will depend on the particular formulation. For instance, boosting the additive package with an additional 0.4% aminic antioxidant, in combination with the Synfluid PAO base oil, achieved a 35 percent improvement in HPDSC results. 3.0 CHEMICAL COMPATIBILITY GUIDE FOR METALLIC MATERIALS In addition to this chemical compatibility chart, report TR-60C, Bal Seal has two other reports: report TR-60A "Chemical Compatibility Guide for Bal Seal PTFE, Filled PTFE, and Polyethylene Seal General properties of low- and high-viscosity conventional PAO, and metallocene-catalyzed mPAO basestocks, are shown in Table 4. These include PAOs and also relatively common polyisobutenes (PIB), which are sometimes used as oil additives or as base oils in two-stroke engines. Because PAOs have a diverse, highly branched isoparaffin structure, they provide excellent low-temperature viscometrics and very low pour points (ppt) without adding PPDs. California Transparency in Supply Chains Act Disclosure. Due to this incompatibility with many but not all PAG lubricants, system change-outs from mineral oil to PAG-based lubricants may be costlier and take additional time. 0000052609 00000 n Oxidative stability is a critical property enabling oils to resist sludge formation and degradation while in service. Furthermore, the arbitrary distinction of 120 VI between Group II and III oils makes the quality requirements even more confusing. These synthetic hydrocarbons are designed to provide superior lubrication performance over a wider operating-temperature range than petroleum oils and typically are less volatile. D = Severe Effect, not recommended for ANY use. Adobe InDesign CS6 (Macintosh) Give us a call. The chart below shows specific properties of four of our PAO grades that are well-suited to metalworking applications. Low molecular weight compounds will degrade other performance requirements, such as volatility, flash and fire points. The combination of air and oil can often lead to foaming issues. concentration from 0.5 percent to 1 percent. It is not reactive at room temperatures, except by strong oxidizing agents, and some solvents cause swelling. Low-viscosity PAO fluids are used in automotive applications, such as engine oil and gear lubricants. The mineral oil has both lighter and heavier molecular weight materials. Since then, the company has expanded PAO as well as ethylene production, both basic building blocks for many petrochemical processes. Furthermore, these new formulations allow a range of ISO viscosity grades. Adobe PDF Library 10.0.1 The latest news, content and events about our company, initiatives, markets and products. The most favorable performance is achieved by using the highest-quality base oils. Youre not kidding! guide for chemical uses Ethylene is produced by cracking either crude oil or natural gas. JFIF Adobe d ##''$ %'% $('++++'()02520)7;;;;7;;;;;;;;;;;;;;; ""2(! endobj 4 0 obj <> endobj 0000001211 00000 n You see, PAOs are carefully designed, not refined. Polyolefin. The lighter components cause poorer volatility properties as well as lower flash and fire points. PAG- and PAO-based lubricants rarely compete in industrial applications. Chevron Phillips Chemicals PAO history dates back to December 1980, when the continuous PAO unit at Cedar Bayou, Texas, started up with heritage Gulf Oil, which Chevron Chemical subsequently acquired in 1985. Disadvantages of PAG-based lubricants are summarized in Table 3. 89 0 obj 304 Stainless Steel Chemical Compatibility Chart ver 28-Oct-2022 Key to General Chemical Resistance - All data is based on ambient or room temperature conditions, about 64F (18C) to 73F (23C) A = Excellent C = Fair - Moderate Effect, not recommended The information from such third party sources is believed to be reliable and accurate; however, Purchaser should make its own determination of compatibility before using any SpillTech product. 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. This is compared to a conventional hydraulic fluid in the chart below. Our customers quickly realized the advantages in volatility, low-temperature viscometrics, VI and flash and fire points in equiviscous blends compared to 1-decene-based materials. Use of WGHFs increased tremendously due to the publication of the Luxembourg Report in 1961, outlining minimum standards for hydraulic fluid fire-resistance in European coal mines. The vast number of high-quality base oil choices can be daunting when trying to balance fuel efficiency and wear protection. During 2011, Chevron Phillips Chemical acquired PAO assets in Beringen, Belgium, and began mPAO production in Texas. endobj xref 2013-07-10T14:05:23-05:00 As temperature decreases, a higher VI fluid will have reduced viscous drag, which could lead to higher horsepower and energy efficiency. Challenges like these truly reveal the performance advantages of Synfluid PAOs. The trend falls short when comparisons are made between PAOs and mineral oils, based solely on the VI. Well be happy to help you solve your lubricant concerns. A polyolefin is a type of polymer with the general formula (CH 2 CHR) n where R is an alkyl group. 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. Our sustainability strategy encompasses the concerns and issues identified by our stakeholders and we are committed to addressing these issues. The higher the coefficient, the greater the change in viscosity at elevated pressures. Oxidative and other lubricant degradation mechanisms would follow the same trend. There are multiple formulations behind the science of synthetic lubricants that can complicate making the right choice for any application. 0000010623 00000 n A product developed by Renewable Lubricants Inc. (RLI), with assistance from Chevron Phillips Chemical, uses Synfluid PAOs combined with biobased oils and specially designed additives. Meet additional regulations (fire-resistance, environmental acceptability). Polyalphaolefin (PAO) is manufactured through a synthetic chemical process that originates from ethylene. There are indeed pressures in the industry that require improved oxidative stability. Chemical Compatibility Guide - Galvanized Steel For UltraTech Spill Containment Products This listing was prepared to provide guidance to the chemical compatibility of UltraTech Spill Containment Products which are manufactured and constructed of galvanized steel. For white oil applications, this high saturation level would give a greater degree of chemical inertness. But wait, it gets even better! Polyalphaolefin does not contain ring structures, double bonds, sulphur, nitrogen components or waxy hydrocarbons. Synfluid PAOs are qualified as technical white oils (per 21 CFR 178.3620(b)(1)) due to their clear, bright color and exceptional UV properties. California Transparency in Supply Chains Act Disclosure. 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. To improve seal compatibility of PAO-based lubricants, an ester is added to . <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 158 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> REFERENCEPAGES 1-800-833-7958 www.geotechenv.com fax303-322-7242 sales@geotechenv.com ChemicalCompatibilityTable For All Non-Metals For Metals R=Resistant E<2milsPenetration/Year It is true there are many high-quality base oils around, but the highest quality is still achieved when Synfluid PAOs are chosen. For example, one would not be able to make an 0W-20 oil with a C12-derived PAO as the viscosities are too high. Later used in many industrial applications from compressor, hydraulic, and turbine fluids to gear oils and metalworking fluids. One reason for moving to low-viscosity oils is to focus on initial and long-term fuel economy. 3 !1AQa"q2B#$Rb34rC%Scs5&DTdEt6UeuF'Vfv7GWgw ; !1AQaq"2B#R3$brCScs4%&5DTdEU6teuFVfv'7GWgw ? Polyolefins, including poly (ethylene), poly (-olefin), poly (styrene), and poly (dienes), are the most widely-used polymer materials. polyalphaolefin-based lubricants. Synthetic basestocks, more so than in mineral oil basestocks, are the primary contributor to most of the basic properties of the lubricant, including oil or water solubility, low-temperature fluidity, lubrication, volatility, ignitability, and seal and paint compatibility. and PAO plays an integral part of meeting the challenge for top-tier oils. 56 0 obj<>stream 93 0 obj These 1-dodecene-based products (Synfluid 2.5, 5, 7 and 9cSt PAOs) are now recognized to have superior performance in their own applications. Thats a hot topic! 2014-03-26T09:16:41-05:00 175 0 obj As the chart above clearly demonstrates, the difference in viscosity as a function of shear rate is magnified as temperature decreases. The VI trend is only true for a family of base oils. With the powerful combination of MOLYKOTE. These synthetic hydrocarbons are designed to provide superior lubrication performance over a wider operating-temperature range than petroleum oils and typically are less volatile. 0000031839 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! Understanding the advantages and disadvantages of each can help end-users decide which option is best for a given application. For instance, a 100 percent aminic antioxidant package will yield the best performance in the Rbot test for PAO. This Chemical Compatibility Chart is a shorthand tool for describing the suitability of miniature fluidic and pneumatic component materials for use in contact with various chemicals. Benefits of the new system are a much higher viscosity index (VI), superior pour points and improved low-temperature fluidity, all of which contribute to improved energy efficiency. 180 0 obj 0000048689 00000 n C12-derived PAOs also provide advantages with higher Viscosity Index (VI), better flash/fire points, and even lower cold crank simulated viscosities. 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. While pour point is one consideration, a formulator has to take into account the total specification needs. general guideline for pump material selection 0000017608 00000 n With regard to performance, PAOs are able to maintain excellent thermal and oxidative stability as well as the low-temperature benefits they are known for. The direct feedstock (normal alpha olefin NAO) is produced through the chain growth and displacement process for producing petrochemically pure alpha olefins. Better heat transfer coefficients, increased lubricity and the basic chemical structure of PAOs all contribute to the lower temperature in the gearbox. Available on demand until February 16, 2024. B = Good, Minor Effect, slight corrosion or discoloration C = Fair, Moderate Effect, not recommended for continuous use. The current trend toward lower viscosities, while providing for extended drain capabilities, does present an interesting challenge for base oils. The dodecene-based products offer lower volatility at comparable viscosities to the decene-based products. 0000034554 00000 n Synfluid PAOs also have a very high degree of saturation, which in lubricants provides oxidative stability. The absence of these structures and materials results in a very non-polar base oil with a high viscosity index (of approximately 130), excellent low-temperature flow and pour-point characteristics, good oxidation stability and compatibility with mineral oils, paints and seals commonly found in lube oil systems. Focusing on the components of the additive package can further influence the performance of the formulation. <> 0000021835 00000 n 0000000995 00000 n The table below shows a comparison of conventional hydraulic oils with the new PAO biobased lubricant from RLI. 0000000891 00000 n Leaking fluids from equipment used in sensitive geographical areas can have long-term negative consequences on the environment. Polyalphaolefins (PAO)-60 to 125 C Stable, lubricious fluids compatible with most plastics and elastomers. PAO quality is unrivaled in the industry. Whether for automotive or industrial applications, these products can improve performance and solve problems. Additionally, PAOs have high viscosity indices, which lead to less film thickness reduction at elevated temperatures. Were a company with deep-rooted values, and were looking for people like you to join our team. 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. In these extreme services, a PAO-based lubricant is able to reach the area that requires lubrication and prevent damage or wear. However, VI doesnt tell the whole story it only reflects the viscosity/temperature relationship between 40C and 100C. Temp. Typically, as the viscosity drops, the volatility increases. It is a synthetic hydrocarbon (SHC) that mimics the best hydrocarbon (branched) structure found in mineral oils. Lowering torque reduces the energy requirements of the equipment and improves grease distribution. Polyalkylene glycol (PAG) and polyalphaolefin (PAO) are two synthetic lubricant options for industrial applications. xmp.iid:00801174072068118083E936383AAE83 Getting the air to release from the lubricant is vital to allowing the lubricant to do its job. 0000036005 00000 n <> Two major types of synthetic basestockspolyalkylene glycols (PAG) and polyalphaolefin (PAO)and the lubricants formulated from them, will be compared. Polyphenols are a complicated group of plant-based chemicals. These units provide a flow of temperature controlled fluid or Polyalphaolefin liquid. This will increase the dependence on high-quality base oils such as PAOs. High molecular weight compounds will degrade pour point, cold crank and other low-temperature viscometrics. Chemical kinetics tell us that if you reduce the temperature, you will reduce the reaction rate. To improve fuel economy, OEMs are moving toward lower-viscosity oils, even in heavy-duty diesel engines. CHEMICAL RESISTANCE CHART. endobj Tiny bubbles these can cause major issues, such as shorter lubricant life, increased fluid compressibility, lower fluid viscosity and cavitation. endobj endobj For instance, excellent water separation improves compressor operability by reducing the chance of emulsion formation. Aviation hydraulics require the use of PAOs because of the inherently high flash/fire points and low volatility. PAO-based lubricants have good viscosity indices superior to lubricants based on Group I, II, and III basestocks of similar viscosity (without the addition of a viscosity improver). PAO SYNTHETIC MATERIAL COMPATIBILITY CHART This table is aids in the selection of elastomers, plastics and paints for use in conjunction with PAO synthetic fluids. 0000000776 00000 n PAG- and PAO-based lubricants are used in multiple industries and, as synthetics, offer improved performance over mineral oils. 0000000416 00000 n Low-viscosity Synfluid PAOs are both NSF H1 and HX-1 registered. For other applications, PAOs safe and non-toxic nature allows them to be used where incidental food contact certification or kosher approval is necessary. Ethylene glycol dimethacrylate is the enoate ester that is the 1,2-bis (methacryloyl) derivative of ethylene glycol. endstream In a comparison of gear lubricants, PAOs reduced the effective operating temperature by as much as 10 20C. Both basestock types have low volatility and high fire points (when stabilized) for a given viscosity grade. Specific heat is the amount of heat per unit mass required to raise the temperature one degree Celsius. They may also be used in applications and areas that may result in incidental food contact or on equipment where there is a potential exposure of the lubricated part to food, such as on food processing equipment as a protective anti-rust film. 0000034289 00000 n Initially, it was intended to fill the gap in supply and was found to be exceptionally suitable for applications where extremely low pour points were not necessary. A similar approach can be applied to your formulations or applications. M/ B#z9lBGaB=]yz!sG !*, general guideline for pump material selection, from application/x-indesign to application/pdf. 0000003107 00000 n 0000000016 00000 n trailer Refined mineral oils often contain sulfurs, aromatics and other compounds that can erode the quality and consistency of a mineral oil. 0000140193 00000 n 0000013783 00000 n The second step is the hydrogenation of the remaining double bonds (unsaturation) in the oligomer and subsequent distillation to separate the unreacted monomer and light-viscosity grade PAO. 0000035588 00000 n Fluids are typically subjected to various shear and temperature conditions. Bk.2z3)))lBShBSX!D !DOaBBB*=]!z The chart below shows the comparison of PAO 4 and PAO 6 blended to the same viscosity as PAO 5, as well as PAO 6 and PAO 8 blended to the same viscosity as PAO 7. Group V oils also include esters and naphthenic oils. It is a synthetic hydrocarbon (SHC) that mimics the best hydrocarbon (branched, non-ring) structure found in mineral oils and so corrects for many disadvantages of using mineral oil lubricants, including poor low-temperature fluidity, poor viscosity index, sludge deposits, and high volatility. Because of their controlled structure, PAOs do not contain lighter, more volatile (small) hydrocarbons. We offer a wide range of solutions essential to your products. Certainly! To correctly identify what type of fluid is needed, the end-user must know the minimum lubricant requirements for that piece of equipment. 0000139641 00000 n 0000162144 00000 n <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 161 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> Since they are fully synthetic, Synfluid PAOs are extremely pure and provide inherent benefits in oxidative stability and viscosity performance at temperature extremes. hb```f``g mBU L4#o0 D Heres an overview of our production process: Copyright 2023 Chevron Phillips Chemical Company LLC. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 163 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> The limits on lowering the viscosity grade are tied to the base oil properties. %PDF-1.4 % The term synthetic hydrocarbon (SHC) is a general term. Our C10-based products, commercialized in the 1970s, were the first in the market. 0000002192 00000 n endobj With the powerful combination of MOLYKOTE Specialty Lubricants and DuPont Polymers, our understanding of grease-polymer compatibility allows our customers the unique ability to select products faster and move through validations with confidence. <> Polyalphaolefin (PAO) is manufactured through a synthetic chemical process that originates from ethylene. Galvanized steel is susceptible to attack by some chemicals which may cause . Improved equipment efficiency and energy savings. The uniquely beneficial quality of PAOs has been demonstrated in a series of European engine tests. 97 0 obj / 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. 0000034419 00000 n 2023 DuPont. 102 0 obj 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. Naval Research Laboratory (USNRL) was begun to develop hydraulic fluids that would be more fire-resistant than the ones used at the time based on mineral oil. Synfluid PAOs, in addition to NSF H1 qualification, are also available as kosher approved products. Softening, loss of strength, or swelling may occur. The VI of Synfluid mPAO 40 and 100 cSt is 170 and 194, respectively. Since we use essentially pure 1-decene or 1-dodecene to produce Synfluid PAOs, there is a narrow isomeric distribution for each oligomer. These include the tendency to shrink seals and trouble dissolving common oil additives. High energy costs have hit both businesses and consumers hard, and the pressure is on to conserve. 2 shows the flow chart for producing Cu nanolubricants. This process creates a polymer backbone where oxygen is every third atom, which gives PAG basestocks their distinctive chemical attributes and allows formulators to synthesize various combinations of starters and monomers (block, random, and homopolymer) to create custom basestock types for specific applications. You see, the jump hurts the pump.. Consistent feedstocks give rise to consistent PAO quality, resulting in consistent finished fluid performance. A relatively simple test, the criteria of the test varies depending on which grease manufacturer you are dealing with. Each 10C temperature rise can reduce oxidative stability by half. NLGI #2. 101 0 obj Technical White Oils are approved for incidental food contact at USDA-approved meat and poultry plants. 179 0 obj 0000134768 00000 n 0000041967 00000 n You would expect the viscosity to improve with a lower pour point, but the opposite is true. 0 First, dont touch the gear box; you will burn your hand. endobj False 0000033361 00000 n 0000022832 00000 n 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. The most favorable performance is achieved by using the highest-quality base oils. Sorry, we couldn't find anything that matched your search, PAO-based lubricants generally resist creep and water washout and offer good lubricity across a variety of substrate material pairings, including metal-to-metal and metal-to-plastic. default The use of synthetic or man-made lubricants in various industrial and automotive applications are becoming commonplace and continues to expand into applications where only mineral oil-based fluids had been used. The results indicate that the CSC 980 Tan grease has a running torque of 3.77 N-m versus 10.9 N-m for the same grease with an alternate base oil. 0000004340 00000 n The relative availability of olefin monomer was certainly a consideration (i.e., 1-octene vs. 1-decene). One example is the advantage PAO has over mineral oil in the area of high-temperature stability. PAO-base oils help improve fuel economy in engine and drivetrain oils by reducing viscosity, volatility and traction coefficients as the chart below shows: These results show the potential for reducing friction loss using PAOs, which also typically have lower pressure-viscosity coefficients than mineral oils reducing elastohydrodynamic gear friction losses and energy consumption. It is possible to get added property benefits from C12-based Synfluid PAOs. Sustained operations at elevated temperatures increase the rate of oxidation and other degradation reactions. The information listed in parentheses is D-1418 nomencalture, common acronyms or common trade names.