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. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 161 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> With the powerful combination of MOLYKOTE. Tiny bubbles these can cause major issues, such as shorter lubricant life, increased fluid compressibility, lower fluid viscosity and cavitation. Jun 09 Comentarios desactivados en polyalphaolefin compatibility chart. The Scanning Brookfield chart on this page demonstrates the difference in viscometrics between a Synfluid PAO and a pour point depressed mineral oil. Synfluid PAOs have very narrow molecular weight ranges, which are attributed to our high-purity feedstocks. Since then, the company has expanded PAO as well as ethylene production, both basic building blocks for many petrochemical processes. <> 0000001493 00000 n
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Compatibility testing is the best option. polyalphaolefin compatibility chart - amcsalud.com Finally, due to their excellent response to antioxidants, Spectra-Syn Plus PAO can be formulated to resist thermal oxidative attack. Several synthetic base oil types fall into the SHC category. 0000016208 00000 n
The relationship between antioxidants (A.O.) Grade Name. The PAOsare produced through synthesizing oligomers of either 1-decene or 1-dodecene. Compatible with seals and paint used with mineral oil, no need for change at all operating temperatures. The VI trend is only true for a family of base oils. Keys for Proper Grease Selection - Machinery Lubrication You see, PAOs are carefully designed, not refined. 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. Since PAO fluids are synthetic hydrocarbons, they are compatible with and often combined with mineral-based oils. <>>> 142 0 obj
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General properties of water-soluble, water-insoluble, and oil-soluble PAG basestocks are shown in Table 1. Grease is a solid to semi-fluid lubricant, typically used for difficult to service equipment, such as bearings or suspension systems. Some of the advantages of PAO-based lubricants are summarized in Table 5. 184 0 obj Synfluid PAOs are designed to provide stable viscosities at low temperature and excellent viscometrics and deliver oxidative stability. PDF 304 Stainless Steel Chemical Compatibility Chart from ISM - Industrial Spec Fluids are typically subjected to various shear and temperature conditions. These 1-dodecene-based products (Synfluid 2.5, 5, 7 and 9cSt PAOs) are now recognized to have superior performance in their own applications. Some properties such as Viscosity Index (VI) or C viscosity can approach those of PAOs. xref
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. 0000034419 00000 n
However, unlike foaming, entrained air can be a difficult problem to treat with additives. mary berry grandchildren names . 0000048689 00000 n
High molecular weight compounds will degrade pour point, cold crank and other low-temperature viscometrics. California Transparency in Supply Chains Act Disclosure. The dodecene-based products offer lower volatility at comparable viscosities to the decene-based products. In addition, low viscosity SpectraSyn PAO products are hydrolytically stable, have good compatibility with mineral oils and are frequently combined with other synthetic basestocks (e . endobj 0000017423 00000 n
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III F challenge formulators, and their suppliers, to step up performance for the next generation of engine oils. A Group III mineral oil with a 0.1 percent PPD achieves an improved pour point, but to the detriment of the low-temperature viscometrics. The current trend toward lower viscosities, while providing for extended drain capabilities, does present an interesting challenge for base oils. The superior benefits of PAOs enable formulators to meet these challenges. As the chart above clearly demonstrates, the difference in viscosity as a function of shear rate is magnified as temperature decreases. Other base oil properties need to be considered. We make the petrochemical solutions found in products of all kinds with purpose, collaboration and care. 2013-07-10T14:05:23-05:00 Two major types of synthetic basestockspolyalkylene glycols (PAG) and polyalphaolefin (PAO)and the lubricants formulated from them, will be compared. Their polymerization can benefit greatly from the development of highly active and highly selective catalysts, as the catalysts strongly affect their properties. Refined mineral oils often contain sulfurs, aromatics and other compounds that can erode the quality and consistency of a mineral oil. Synfluid PAOs also have a very high degree of saturation, which in lubricants provides oxidative stability. In addition, a PAO-based multi-purpose grease can be formulated to be both H1 and kosher approved. Ethylene is produced by cracking either crude oil or natural gas. polyalphaolefin-based lubricants. They're found in everyday food and available as supplements. Reasons to change from mineral oil-based lubricants to synthetics despite the increase in cost include: Advances in equipment technology have resulted in more demanding lubricant conditions and requirements, many beyond the capabilities of mineral oil-based lubricants. Jun 09, 2022. polyalphaolefin compatibility chart . For other applications, PAOs safe and non-toxic nature allows it to be used where incidental food contact certification or kosher approval is necessary. 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. 0000004340 00000 n
97 0 obj For instance, a 100 percent aminic antioxidant package will yield the best performance in the Rbot test for PAO. 4 Chemicals PVC CPVC PP PVDF ABS. Polyalphaolefins Technology | Chevron Phillips Chemical This Chemical Compatibility Guide is offered for informational purposes only and was developed from information sources other than SpillTech. Polyalkylene glycol (PAG) and polyalphaolefin (PAO) are two synthetic lubricant options for industrial applications. Lack of mineral oil solubility is a barrier to expanded use of PAG-based lubricants. Having a high viscosity index helps to protect an engine at temperature extremes. With Synfluid PAO 4 cSt having a 73C ppt and 40C viscosity of 2,380 cSt, a PPD is not necessary. 1 . polyalphaolefin compatibility chart. They are usually derived from a small set of simple olefins ( alkenes ). This is just one of the many performance advantages of Synfluid mPAO. PAG- and PAO-based lubricants rarely compete in industrial applications. These compounds are not discernable in Synfluid PAOs. PDF COMPATIBILITY CHART - Rubber Group For other applications, PAOs safe and non-toxic nature allows them to be used where incidental food contact certification or kosher approval is necessary. The latest news, content and events about our company, initiatives, markets and products. Oxidative and other lubricant degradation mechanisms would follow the same trend. 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. 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. These oligomers are distilled and hydrogenated to yield specific molecular weight ranges that meet the viscosity grades that are desired. The chart below illustrates how Chevron Phillips Chemical has come up with an economical solution to a VW T-4 engine test. 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. A similar approach can be applied to your formulations or applications. PDF Chemical Resistance Guide - Gilson Eng PDF Chemical Compatibility Table - Geotech Env polyalphaolefin compatibility chart - straightupimpact.com M/ B#z9lBGaB=]yz!sG !*, general guideline for pump material selection, from application/x-indesign to application/pdf. Low molecular weight compounds will degrade other performance requirements, such as volatility, flash and fire points. 11 0 obj <>
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There are emerging markets that demand the improved VI and volatility that only the C12-based PAOs can deliver. xmp.did:00801174072068118083E936383AAE83 However, nothing is perfect, and polyalphaolefin base oils do have a few negative characteristics. The primary difference between these two products is pour point. PAOs offer exceptionally low volatility due to their controlled formation, which yields carefully designed molecular weights. Some of the disadvantages of PAO-based lubricants are outlined in Table 6. Polyolefin. Each 10C temperature rise can reduce oxidative stability by half. (2;2222;;;;;;;;;;;;;;;;;@@@@@;@@@@@@@@@@@@@@@@@@@@@ " B This is a far greater benefit than can be achieved from other base oils. Our sustainability strategy encompasses the concerns and issues identified by our stakeholders and we are committed to addressing these issues. PAOs help to balance the protection and energy conservation requirements in equipment because they are more Newtonian than mineral oils. The plot below shows a comparison of the air release times exhibited by ISO VG 320 blends composed of our Synfluid mPAOs, and traditional HV PAOs with PAO 8 cSt. 0000135615 00000 n
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2014-03-26T09:12:57.905-05:00 As the chart above shows, lower-viscosity oils can be made without sacrificing low volatility by using PAO base oils. The ability of a lubricant to reach critical metal-to-metal interfaces in a gear system can be the difference between operation or shutdown. Were here to help. hb```f``g mBU L4#o0 D
Polyalphaolefins (PAO)-60 to 125 C Stable, lubricious fluids compatible with most plastics and elastomers. <<264FCCC095A7AD46A42A03D56AD5B96C>]>>
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. Of course, and your options are growing! SYNTHETIC OIL COMPATIBILITY WITH SEAL MATERIAL SEAL MATERIAL PAO ESTER POLYGLYCOL NEOPRENE OK NR NR VITON OK OK OK BUNA-N Less than 30% acrylonitrile OK NR NR 30-36% acrylonitrile OK OK OK Greater than 36% acrylonitrile OK OK OK CELCON OK OK OK TEFLON OK OK OK SILICONE OK OK OK NYLON . The effects of the shear rate differences are even more exaggerated at low-temperature startup conditions, when the lubricant function is critical for equipment protection. 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 benefit of a lubricant to the end user is an important question, and the behavior of a base oil is only one of many variables affecting the performance of a finished formulation. Sometimes, one plus one can equal more than two. The chart below shows a comparison of the foaming characteristics of our Synfluid mPAO high-viscosity base oils with traditional high-viscosity PAO 40 and 100 cSt base oils. 0000139372 00000 n
A run through the test: Polypropylene Satisfactory to 120 F. 4. 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. First, dont touch the gear box; you will burn your hand. Our unique PAO 2.5cSt further improves flash/fire points by as much as 10 percent over other commercial polyalphaolefins. To help you optimize your application, Chevron Phillips Chemical offers a wide variety of PAOs delivering oxidative and thermal stability advantages. application/pdf xmp.id:B2FC01B10F2068118083E936383AAE83 The chart below shows that the PAO has a higher specific heat, which means that the PAO is better at absorbing heat. Not Available - Chemical compatibility information is not available at this time. False Furthermore, these new formulations allow a range of ISO viscosity grades. 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). Aviation hydraulics require the use of PAOs because of the inherently high flash/fire points and low volatility. One example is the advantage PAO has over mineral oil in the area of high-temperature stability. The most favorable performance is achieved by using the highest-quality base oils. 0000004968 00000 n
PAOs are Newtonian fluids; in other words, their viscosities are fairly independent of shear rate. trailer
Actions. Ethylene glycol dimethacrylate is the enoate ester that is the 1,2-bis (methacryloyl) derivative of ethylene glycol. The chart differentiates the blending capabilities of various base oils to meet energy-efficient motor oils. polyalphaolefin compatibility chart. Base Oil Compatibility Chart Base Oil . A relatively simple test, the criteria of the test varies depending on which grease manufacturer you are dealing with. polyalphaolefin compatibility chart - ks-sousahonorband.org 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. hb```b``nd`c``. 0000103071 00000 n
This formulation achieved a 13% benefit when the PAO was directly substituted with Synfluid PAO. Blending lower-quality base oils into this formulation would compromise the passing mark. Recent advancements in additive technology and synthetic base fluid manufacturing are pushing the performance edges that make current lubricant offerings better than ever. Let us help you. 9 0 obj
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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. To get a superior lubricant, you need to start with a superior base oil. The more similar in polarity the lubricants are, the more similar they will behave in the properties mentioned. Chevron Phillips Chemicals proprietary manufacturing process and monomer selection combine to produce the groundbreaking performance characteristics that our customers expect from Synfluid polyalphaolefins. We offer a wide range of solutions essential to your products. general guideline for pump material selection The table below shows a comparison of conventional hydraulic oils with the new PAO biobased lubricant from RLI. Bk.2z3)))lBShBSX!D !DOaBBB*=]!z NYE ENGINEERING CHART - Nye Lubricants endobj For instance, excellent water separation improves compressor operability by reducing the chance of emulsion formation. 0000080859 00000 n
European specifications, as well as those in other regions, are expected to tighten. Furthermore, thermal conductivity at 300F for PAO 6 is 0.085 compared to 0.071 Btuft/(hft2F) for an equiviscous mineral oil, which means that the PAO can conduct 20percent more heat than the mineral oil for better heat dissipation. 0000042568 00000 n
endobj CHEMICAL RESISTANCE CHART. trailer
These are areas where PAOs excel. More uniform in structure than conventional PAO basestocks, they provide similar advantages of high viscosity indices, excellent low-temperature fluidity, and shear stability but with additional thickening ability. 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. As a result, the jump in the viscosity adversely effects the ability to pump at low temperatures. This new system improves the viscosity properties, which should be more energy conserving and achieves the ultimate biodegradation rating ASTM D5864-PW1. The price of Polyalphaolefin (PAO) has been steadily decreasing throughout the third quarter of 2022 on the back of the poor performance of the downstream automotive sector in the continent. In the past three years, European specifications for volatility and oxidative stability have become significantly more stringent. endobj Business never stands still, but you can always count on dependable Chevron Phillips Chemical Synfluid PAOs. default Chemical Compatibility Chart | ISM - Industrial Spec endobj 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 clearly shows that a PAO base oil substitution can significantly lower operating temperatures of the gear box and extend the required maintenance interval. 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. Synfluid mPAOs exhibit faster air release times, particularly when comparing the 100 cSt blends. 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. 2023 DuPont. Low-temperature fluidity and high-temperature thermal and oxidative stability are key factors for choosing a PAO. Volatility is a concern for many applications, especially where higher operating temperatures occur or longer service life is desired. 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. cally stable, have good compatibility with mineral oils and can be combined with other more polar synthetic basestocks (e.g. Heavier components adversely affect low-temperature performance and pour point. Heres an overview of our production process: Copyright 2023 Chevron Phillips Chemical Company LLC. 0000003221 00000 n
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. The mineral oil has both lighter and heavier molecular weight materials. 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. The first step is the synthesis of oligomers (polymers with few repeating monomer units) from the linear alpha-olefin. 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. Process Chemical Compatibility Guide endstream
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The grease is then inspected for visual abnormalities and can be tested for penetration and four-ball wear change. Low-viscosity Synfluid PAOs are both NSF H1 and HX-1 registered. Since they are fully synthetic, Synfluid PAOs are extremely pure and provide inherent benefits in oxidative stability and viscosity performance at temperature extremes. To improve fuel economy, OEMs are moving toward lower-viscosity oils, even in heavy-duty diesel engines. Both lubricant types are used in industrial gearboxes, compressors, and even air conditioning systems. Eight standard model Portable Liquid Chillers and ten standard model PAO Carts. startxref
In contrast, the Synfluid PAO formulation achieves a pass with as little as 30 percent PAO, the balance being Group I mineral oil. PDF PAO chart - Radco Ind Typically, petroleum-base oils are not synonymous with terms like green or environmentally friendly. So, whether used for gear or engine oils, PAOs provide more consistent properties and a level of purity not available from other base oil groups. PAOs on the other hand are derived from a clearly defined processing technology using petrochemically pure alpha olefins. Polyalphaolefin (PAO) fluids are the most common major synthetic base oil used in industrial and automotive lubricants. '0v^ Ln 1qDP]C[,z[v(u_g.Fh{K>8rI,[GV&mE}^ 9S87PGgT
hO"4=]3JVp ZmU[@=ocLV]P *y`# dY'!3!IP0O. PAOs demonstrate advantages in three key areas: safety, performance and environmental sensitivity. Oils made with PAOs demonstrate an inherently high viscosity index and maintain excellent low-temperature performance, compared with mineral oils. It is a synthetic hydrocarbon (SHC) that mimics the best hydrocarbon (branched) structure found in mineral oils. Chemical Compatibility Guide More importantly, however, was product performance. PAG-based lubricants are polar (water-soluble PAG > water-insoluble PAG > oil-soluble PAG), where PAO-based lubricants are essentially non-polar. If a certain application can sacrifice a 10 15C increase in the pour point, then there is as much as a 25% improvement in volatility, as shown in the chart below. All rights reserved. Understanding the advantages and disadvantages of each can help end-users decide which option is best for a given application. PAOs are uniquely suited to aviation hydraulics because of the inherently high flash/fire points and low volatility. Address new equipment conditions (higher operating temperature and pressure, greater loads and speed). 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. Polyalphaolefins offer great high temperature properties and low volatility. Satisfactory to 72F (22C) 2. In addition to these advantages, kosher certification for Synfluid PAOs is available upon request. converted PDF Chemical Compatibility Guide - Graco Group III mineral oils and Group IV PAOs are not of the same quality. The qualitative chart below describes the impact of each grease component on certain performance characteristics: Clearly, the base oil dominates some grease properties, while the additives or thickener drives others. The higher the coefficient, the greater the change in viscosity at elevated pressures. We have measured a 25 percent improvement in oxidation induction times simply by decreasing the test temperature by 10 degrees. 0000000016 00000 n
PAOs demonstrate advantages in three key areas: safety, performance and environmental sensitivity. PAG- and PAO-based lubricants are used in multiple industries and, as synthetics, offer improved performance over mineral oils. polyalphaolefin compatibility chart. endobj As fluids flow throughout the equipment, they travel through various lubrication regimes and shear environments, resulting in viscosity changes for non-Newtonian fluids. 0000003107 00000 n
A polyolefin is a type of polymer with the general formula (CH 2 CHR) n where R is an alkyl group. <> Absolutely! uuid:df0b74fe-2082-ca4e-860d-fb6b88ddfe4d Synfluid PAO improves finished lubricant performance when formulated into biodegradable and biobased lubricants in low-temperature viscometrics and oxidative stability. June 16, 2022; Posted by usa volleyball national qualifiers 2022; 16 . 232 0 obj Chemical Compatibility Guide - Galvanized Steel - SpillContainment.com 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. The viscosity at an extreme pressure (hp) changes exponentially with pressure (P) as described in the following formula: a is the pressure coefficient for a base oil. endobj 2013-07-10T14:05:23-05:00 Because PAOs have a diverse, highly branched isoparaffin structure, they provide excellent low-temperature viscometrics and very low pour points (ppt) without adding PPDs.
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