PAO-based greases are typically used at temperatures over 100C because of thermal and oxidative concerns. Applications for PAO-based lubricants expanded to circulating and gear oils. Synfluid PAOs are crafted from an on-purpose process that yields a consistent, high-quality product. There are several systems where we have observed a reduction in the operating temperature compared to mineral oils, including transmissions, engines and heat transfer applications. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 161 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> Temp. H*T034R0 BC0k ` f- 0 Compatibility testing is generally carried out at high temperatures, simulating an accelerated life and poor or stressful conditions for the plastic and elastomer/rubber. These advantages are achieved without the need for VI improvers or other additives, which may promote other deleterious effects as they degrade. ]-]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+. esters or alkylated naphthalenes) to improve their solvency and deposit control. In addition to the low temperature performance demonstrated by CCS, the volatility and viscosity index of the PAO 5 and 7 blend are improved over traditional PAO 6. For example, one would not be able to make an 0W-20 oil with a C12-derived PAO as the viscosities are too high. If a polyurea-based thickener is chosen in conjunction with a synthetic base oil, such as a polyalphaolefin (PAO), there is no compatibility risk to be expected. application/pdf Great question! 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. When possible, testing compatibility between the specific PAG lubricant to be used and the specific seal types or paints to be used is recommended. Reducing the viscosity of engine and drivetrain oils lowers fuel consumption by decreased churning losses and viscous drag. 0000001726 00000 n endstream endobj 12 0 obj<>/Metadata 9 0 R/AcroForm 13 0 R/Pages 7 0 R/Type/Catalog>> endobj 13 0 obj<>/Encoding<>>>>> endobj 14 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>>>/ExtGState<>>>/Type/Page>> endobj 15 0 obj[/ICCBased 38 0 R] endobj 16 0 obj<>stream 2023 Access Intelligence, LLC - All Rights Reserved. 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. Fluids are typically subjected to various shear and temperature conditions. 176 0 obj endobj PAG-based lubricants provide many property and performance advantages over mineral oil-based and other synthetic lubricants, as outlined in Table 2. They're found in everyday food and available as supplements. Polyalkylene glycol (PAG) and polyalphaolefin (PAO) are two synthetic lubricant options for industrial applications. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 158 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> This is compared to a conventional hydraulic fluid in the chart below. We believe it can be understood by looking at the thermal conductivity and specific heat of the base oils. Now that fuel economy is more important than ever, even a one percent improvement can make a significant difference on overall costs. 0000031839 00000 n default Driveline specifications continue to become more stringent. Chemical kinetics tell us that if you reduce the temperature, you will reduce the reaction rate. There are many advantages! 0000003482 00000 n As fluids flow throughout the equipment, they travel through various lubrication regimes and shear environments, resulting in viscosity changes for non-Newtonian fluids. 0000000416 00000 n 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. In addition to these properties, weve also seen a significant reduction in the traction coefficient as compared to conventional high-viscosity PAOs. The 2002 U.S. Farm Bill Act mandates government agencies to purchase environmentally safe, biobased (vegetable oil) lubricants. <>stream As pressure increases, so too does the viscosity of the lubricant. Changes in low-temperature viscometrics and oxidative stability requirements demand higher-quality base oils. Effect of Base Oil Type on Gear Box Temperatures. Polyolefin. 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. xb```f``5``c`X% @kVTW(4n5@,6$ ^09z| R/'T4D:/Iih2f/W8 CV@Vb n m[ iF ^` -2 93 0 obj Oils made with PAOs demonstrate an inherently high viscosity index and maintain excellent low-temperature performance, compared with mineral oils. Since there are no other discernable compounds, Synfluid PAOs are more readily biodegradable and can be used for some food applications. Sorry, you need to enable JavaScript to visit this website. These include PAOs and also relatively common polyisobutenes (PIB), which are sometimes used as oil additives or as base oils in two-stroke engines. 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. Whichever low-viscosity base oil is used, it must exhibit viscosity stability and low volatility. The grease is then inspected for visual abnormalities and can be tested for penetration and four-ball wear change. Typically, as the viscosity drops, the volatility increases. However, nothing is perfect, and polyalphaolefin base oils do have a few negative characteristics. 0000052609 00000 n The degree of the advantage may depend on the specific PAG basestock type used (such as water-soluble, oil-soluble, etc.). A solution, developed by Renewable Lubricants Inc. (RLI) with assistance from Chevron Phillips Chemical, is the use of Synfluid PAOs combined with biobased oils and specially designed additives. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 163 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> %PDF-1.6 % PAOs are used extensively in automotive fluids as well as hydraulic, gear and bearing oils, working in extremely cold climates or hot applications. The chart below illustrates the relative effect base oils have on the operating temperatures in a modified four-ball machine. Chemical Compatibility Guide The properties, advantages, and disadvantages reviewed provide some of the main reasons why. 0000048689 00000 n The superior low-temperature flow characteristics of PAOs ensure faster coating of critical parts in the compressor during startup, minimizing wear. The lower volatility of Synfluid PAOs 5, 7 and 9 enhances the benefits for the highest quality lubricant. endobj These are areas where PAOs excel. hb```f``g mBU L4#o0 D endobj <> 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. PAOs are uniquely suited to aviation hydraulics because of the inherently high flash/fire points and low volatility. 273 0 obj <> endobj xref 273 24 0000000016 00000 n The VI of Synfluid mPAO 40 and 100 cSt is 170 and 194, respectively. However, Synfluid PAOs can be formulated to be biodegradable and are well known for standing out from conventional base oils. PAG-based lubricants are polar (water-soluble PAG > water-insoluble PAG > oil-soluble PAG), where PAO-based lubricants are essentially non-polar. Process Chemical Compatibility Guide Eight standard model Portable Liquid Chillers and ten standard model PAO Carts. The table below shows how our new Synfluid mPAOs offer significant advantages in pour point and viscosity index over conventional high-viscosity PAOs. JFIF Adobe d ##''$ %'% $('++++'()02520)7;;;;7;;;;;;;;;;;;;;; ""2(! endobj Lowering torque reduces the energy requirements of the equipment and improves grease distribution. To improve fuel economy, OEMs are moving toward lower-viscosity oils, even in heavy-duty diesel engines. <>stream For instance, a 100 percent aminic antioxidant package will yield the best performance in the Rbot test for PAO. Due to constraints with the supply of 1-decene, the traditional feedstock for PAOs, producers have experimented with alternative feedstocks to meet demand. PAOs also resist viscosity increases upon oxidation, which is important in sequence IIIE and VW T4 engine tests. PAG-based lubricants have excellent viscosity indices significantly better than PAO-based lubricants of the same viscosity grade. LDPE is defined by a density range of 0.910-0.940 g/cm3. 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. High energy costs have hit both businesses and consumers hard, and the pressure is on to conserve. Disadvantages of PAG-based lubricants are summarized in Table 3. However, moving to lower-viscosity oils is a possibility only if you can maintain a low Noack volatility for emissions control and lubricant stability. Absolutely! Because of this extensive chemical compatibility, which spans considerable concentration and temperature ranges, . When you compound this with difficult operating conditions, such as extreme temperatures, high loads or extended operations, a high-quality base oil may be necessary. Chemical Compatibility Chart (cont.) This chart illustrates another benefit of using Synfluid PAOs at increased antioxidant treat rates. 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. Furthermore, PAOs are H-1 approved for incidental food contact and have good organoleptic properties, which broaden the range of end-use applications for metals. 0000135019 00000 n With the powerful combination of MOLYKOTE. However, PAOs can help. Therefore, they are commonly blended or combined with organic ester synthetic base oils to provide a blended base oil that does not have these negative characteristics. 168 0 obj As oil volatilizes, the viscosity increase will result in poorer overall performance. These oligomers are distilled and hydrogenated to yield specific molecular weight ranges that meet the viscosity grades that are desired. endobj Low molecular weight compounds will degrade other performance requirements, such as volatility, flash and fire points. Each 10C temperature rise can reduce oxidative stability by half. The key to unlocking the full potential of your formulation requires using the right combination and concentration of antioxidant and Synfluid PAO. PAOs on the other hand are derived from a clearly defined processing technology using petrochemically pure alpha olefins. Use our Chemical Compatibility Chart as guide for evaluating the resistance of polymer and metal materials to a wide range of chemicals found in industrial . 0000036029 00000 n The differences in flash, fire, volatility and viscosity highlight the flexibility benefits of using a Synfluid PAO. 0000012542 00000 n Ethylene is produced by cracking either crude oil or natural gas. 0000004079 00000 n <>>> PAO quality is unrivaled in the industry. The rotary bomb bench test is a strong predictor of how base oils will perform in many automotive and industrial applications. To help you optimize your application, Chevron Phillips Chemical offers a wide variety of PAOs delivering oxidative and thermal stability advantages. 0000080859 00000 n The vast number of high-quality base oil choices can be daunting when trying to balance fuel efficiency and wear protection. To improve seal compatibility of PAO-based lubricants, an ester is added to . Since then, the company has expanded PAO as well as ethylene production, both basic building blocks for many petrochemical processes. general guideline for pump material selection trailer Synfluid PAOs are already known for their excellent low-temperature and oxidative stability properties. Other base oil properties need to be considered. 180 0 obj Synfluid PAOs, in addition to NSF H1 qualification, are also available as kosher approved products. 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. The degree of the disadvantage for seal and paint compatibility may depend on the specific PAG basestock type used (such as water-soluble, oil-soluble, etc.). PAO basestocks were developed in the 1930s and used commercially as a base for engine oils starting in the 1970s. endobj These 1-dodecene-based products (Synfluid 2.5, 5, 7 and 9cSt PAOs) are now recognized to have superior performance in their own applications. Not a subscriber or a registered user yet? 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. 0000139372 00000 n The reason a PAO is selected as a lubricant basestock is its ability to improve performance and solve problems. The most favorable performance is achieved by using the highest-quality base oils. Some claim the Viscosity Index (VI) is the overriding parameter used when choosing a base oil. These synthetic hydrocarbons are designed to provide superior lubrication performance over a wider operating-temperature range than petroleum oils and typically are less volatile. 0000055257 00000 n III F challenge formulators, and their suppliers, to step up performance for the next generation of engine oils. The magnitude of these benefits will depend on the particular formulation. 4e739735ec50523ad929b6aac8340ae467185943 Synfluid PAOs have been carefully designed to yield oxidative induction times greater than 2,500 minutes with 0.5 percent antioxidant. Chevron Phillips Chemical has been producing two families of PAOs for close to 25 years. More importantly, however, was product performance. Since this can be achieved without sacrificing hydrolytic stability, the finished lubricant will maintain superior properties over an extended period of time, resulting in less waste. 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. 0000000016 00000 n We expect that specifications for driveline fluids will continue to tighten due to pressure from energy conservation, improved transmission design and fluid longevity. polyalphaolefin compatibility chart. This resistance to fire and flame propagation improves the margin of safety in the event of a hydraulic leak. In terms of viscosity, there are tradeoffs in choosing one PAO over another: energy consumption (heat dissipation and production throughput) versus safety of operations (impacted by flash/fire points and volatility). We have found that Synfluid metallocene polyalphaolefins (mPAOs) not only have low foaming characteristics, but they also exhibit rapid air release when compared to traditional high-viscosity PAOs. 99 0 obj 0000001332 00000 n They are also employed as base fluids in some wide temperature range greases. Fluid distribution panels are also discussed. 0000035588 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. Both basestock types have low volatility and high fire points (when stabilized) for a given viscosity grade. Satisfactory to 72 F. 3. from application/x-indesign to application/pdf CHEMICAL RESISTANCE CHART. 97 0 obj %PDF-1.5 % In addition to meeting current limits, a lower viscosity will reduce energy consumption. However, PAGs and PAOs are two totally different chemical types of synthetic base stocks. endobj California Transparency in Supply Chains Act Disclosure. These include the tendency to shrink seals and trouble dissolving common oil additives. The more similar in polarity the lubricants are, the more similar they will behave in the properties mentioned. 0000036005 00000 n The primary difference between these two products is pour point. Satisfactory to 72F (22C) 2. 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 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. . These properties translate into easier distribution of the grease and improved energy efficiency in the equipment. 4 6 0000010736 00000 n It is not reactive at room temperatures, except by strong oxidizing agents, and some solvents cause swelling. Note the differences between a VHVI mineral oil and Synfluid Polyalphaolefin (PAO) 5 in the Scanning Brookfield chart below. polyalphaolefin compatibility chart Posted by . 0000103071 00000 n Our sustainability strategy encompasses the concerns and issues identified by our stakeholders and we are committed to addressing these issues. 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). Furthermore, we are able to achieve these properties with non-decene alpha olefin feedstocks while providing advantages over existing products and extending feedstock supply. Why does this happen? PAOs offer exceptionally low volatility due to their controlled formation, which yields carefully designed molecular weights. The latest news, content and events about our company, initiatives, markets and products. 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. But what happens below 40C? 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! In order of volume used, they are: polyalphaolefins (PAOs), organic esters, and polyglycols. A run through the test: Regarding the A.O. One key advantage PAOs have over mineral oils is a greater ability to dissipate heat. mary berry grandchildren names . 0000034289 00000 n xmp.iid:00801174072068118083E936383AAE83 With many new base oils being introduced to the market, lubricant consistency can really be a challenge. The chart below shows the effect of two different shear rate viscosity determinations on three different fluids (4 cSt at 100C) and the dramatic differences between them. This new system improves the viscosity properties, which should be more energy conserving and achieves the ultimate biodegradation rating ASTM D5864-PW1. Therefore, at high temperatures, it is advantageous to utilize a more stable base oil, specifically Synfluid PAO. PAG- and PAO-based lubricants rarely compete in industrial applications. C12-derived PAOs also provide advantages with higher Viscosity Index (VI), better flash/fire points, and even lower cold crank simulated viscosities. In addition to these advantages, kosher certification for Synfluid PAOs is available upon request. For white oil applications, this high saturation level would give a greater degree of chemical inertness. Address specific system site conditions (potential for water ingression). Polyalphaolefins offer great high temperature properties and low volatility. Chevron Phillips Chemicals Synfluid mPAO 65, 100 and 150 cSt products have very high viscosity indices and lower pour points than other HV PAO products. 0000017608 00000 n As an example of the improved low-temperature torque properties of the PAO-based grease, the chart below shows torque values for Chemtools CSC 980 grease under ASTM D 4693 test conditions for rotation of a wheel-bearing assembly at -40C. PAOs are the most common synthetic basestock used in industrial and automotive lubricants. endobj Focusing on the components of the additive package can further influence the performance of the formulation. Furthermore, the advantages of exceeding the minimum requirements for driveline fluids will enhance the benefits of the finished lubricant. polyalphaolefin-based lubricants. 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. 11 0 obj <> endobj PAOs demonstrate advantages in three key areas: safety, performance and environmental sensitivity. 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. These synthetic hydrocarbons are designed to provide superior lubrication performance over a wider operating-temperature range than petroleum oils and typically are less volatile. The term synthetic hydrocarbon (SHC) is a general term. The difference in the CCS viscosity at -35C is 15 percent, which is substantial. The chart below shows the operating temperature range of a PAO-based, OMG process grease versus comparable mineral-oil-based grease. To correctly identify what type of fluid is needed, the end-user must know the minimum lubricant requirements for that piece of equipment. C 20 40 60 20 40 60 80 100 20 40 60 80 100 20 40 60 80 100 120 20 40 60 . The VI of PAOs typically only varies one to two points. We have measured a 25 percent improvement in oxidation induction times simply by decreasing the test temperature by 10 degrees. Polyalphaolefins also have poor fire resistance and biodegradability. Additionally, PAOs have high viscosity indices, which lead to less film thickness reduction at elevated temperatures. xmp.did:F87F1174072068118083E936383AAE83 0000001493 00000 n Furthermore, the process is a simpler, more energy-efficient route for grease production. Grade Name. 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. 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. A process enhancement at Chevron Phillips Chemicals manufacturing facility has resulted in up to a 30 percent improvement in oxidative stability when used with aminic antioxidants in Rotary Bomb Oxidation Tests (RBOT). This is one clear benefit of using a carefully designed base oil. (2;2222;;;;;;;;;;;;;;;;;@@@@@;@@@@@@@@@@@@@@@@@@@@@ " B 0000000776 00000 n The VI trend is only true for a family of base oils. According to the U.S. government, biobased is defined as at least 44% biobased carbon content for hydraulic fluids. They may also be used to develop high-performance, environmentally friendly lubricants. The chart below shows that the PAO has a higher specific heat, which means that the PAO is better at absorbing heat. These combined benefits provide the properties required for severe service applications and extended drain intervals. 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.
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