polyalphaolefin compatibility chart

The choice of C10- or C12-derived PAO depends on the application and/or specification requirements. 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. 2023 DuPont. 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. 0000013783 00000 n 179 0 obj 180 0 obj C 20 40 60 20 40 60 80 100 20 40 60 80 100 20 40 60 80 100 120 20 40 60 . 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. 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. The current trend toward lower viscosities, while providing for extended drain capabilities, does present an interesting challenge for base oils. B = Good, Minor Effect, slight corrosion or discoloration C = Fair, Moderate Effect, not recommended for continuous use. Having a high viscosity index helps to protect an engine at temperature extremes. Since PAO fluids are synthetic hydrocarbons, they are compatible with and often combined with mineral-based oils. PAOs are the most common synthetic basestock used in industrial and automotive lubricants. polyalphaolefin compatibility chart. Low-temperature fluidity and high-temperature thermal and oxidative stability are key factors for choosing a PAO. %PDF-1.4 % 0000000016 00000 n Using PAOs with biobased oils can provide both high performance and biodegradability. 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 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. endobj Synfluid PAOs, in addition to NSF H1 qualification, are also available as kosher approved products. The relationship between antioxidants (A.O.) C12-derived PAOs also provide advantages with higher Viscosity Index (VI), better flash/fire points, and even lower cold crank simulated viscosities. One application in which they have not worked well is in high-temperature (high-pressure) reciprocating air compressors where valve deposits have been an issue. This difference in polarity impacts many lubricant properties including elastomer compatibility, paint solvency, deposit control, and lubrication. Therefore, at high temperatures, it is advantageous to utilize a more stable base oil, specifically Synfluid PAO. So you can look to Synfluid PAO to help you formulate lubricants with both environmental benefits and outstanding performance properties. 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. 0000002226 00000 n 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. 0000001605 00000 n @0NI$$I)I$JRI$I$$I)I$JRI$'I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$L$I$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$IJI$RI$I%)ekvEJX'I$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJL'I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI2tI%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RI$I%)$IJI$RID4>))I$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I$JRI$I$$I)I*4V~u. Three stringent test standards required by Volkswagen and Mercedes-Benz engines show the impact of the variability of Group III oils: This data illustrates lot-to-lot variability, which has been recognized for the Group III oils. For instance, a 100 percent aminic antioxidant package will yield the best performance in the Rbot test for PAO. Additionally, PAOs have high viscosity indices, which lead to less film thickness reduction at elevated temperatures. 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. Adobe PDF Library 10.0.1 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. Oxidative stability is a critical property enabling oils to resist sludge formation and degradation while in service. 9 0 obj <>stream Chevron Phillips Chemical has been producing two families of PAOs for close to 25 years. PAG-based lubricants have excellent viscosity indices significantly better than PAO-based lubricants of the same viscosity grade. We believe it can be understood by looking at the thermal conductivity and specific heat of the base oils. Polyalphaolefins (PAO)-60 to 125 C Stable, lubricious fluids compatible with most plastics and elastomers. 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. These are areas where PAOs excel. Chemical kinetics tell us that if you reduce the temperature, you will reduce the reaction rate. Understanding the advantages and disadvantages of each can help end-users decide which option is best for a given application. The magnitude of these benefits will depend on the particular formulation. 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 combined benefits provide the properties required for severe service applications and extended drain intervals. PAG-based lubricants provide many property and performance advantages over mineral oil-based and other synthetic lubricants, as outlined in Table 2. The limits on lowering the viscosity grade are tied to the base oil properties. Chemical Compatibility Guide Rotary screw compressor oils formulated with PAO offer performance benefits not obtainable with a mineral-oil-based formulation. 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. There are many advantages! Why does this happen? 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. This property coupled with excellent oxidative stability provides a formidable component in an engine oil formulators toolbox. 2013-07-10T14:05:23-05:00 The direct feedstock (normal alpha olefin NAO) is produced through the chain growth and displacement process for producing petrochemically pure alpha olefins. Applications for PAO-based lubricants expanded to circulating and gear oils. Chemical Compatibility Guide Whether its transportation or industrial lubes, greater fuel efficiency means lower operating costs. trailer <<1656AD0EDA344239AE3641B5710538C3>]/Prev 1036271>> startxref 0 %%EOF 296 0 obj <>stream Polyalkylene glycol (PAG) and polyalphaolefin (PAO) are two synthetic lubricant options for industrial applications. endstream endobj 8 0 obj <>stream Defense Daily subscriber and registered users, please log in here to access the content. hb```b``nd`c``. Level of maintenance and labor available. 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. There are emerging markets that demand the improved VI and volatility that only the C12-based PAOs can deliver. MOLYKOTE. III F challenge formulators, and their suppliers, to step up performance for the next generation of engine oils. endobj Not necessarily. These requirements or specifications will generally identify or recommend a product type (mineral oils, synthetic fluids, or bio-based fluids) and the proper performance requirements (developed into the lubricant by the component chemistry) to allow the machinery to run at an optimum level. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 158 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> Cant find what youre looking for? 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. Two lubricants with the same VI may perform dramatically differently at low temperatures. 0000001493 00000 n There can be many benefits from choosing a high VI base fluid. This is just one of the many performance advantages of Synfluid mPAO. Because of their controlled structure, PAOs do not contain lighter, more volatile (small) hydrocarbons. 0000001764 00000 n When you add up the benefits, you may see that one plus one can make more than two. Blending lower-quality base oils into this formulation would compromise the passing mark. 232 0 obj The properties mentioned above are in addition to the normally excellent performance you have come to recognize with PAO. The chart below shows rotary bomb (ASTM D2272) results between Synfluid PAOs and some mineral oils. To get a superior lubricant, you need to start with a superior base oil. 2 shows the flow chart for producing Cu nanolubricants. Finally, greater oxidative stability extends oil life and keeps the compressor clean for a longer service interval. Each 10C temperature rise can reduce oxidative stability by half. <>stream General properties of water-soluble, water-insoluble, and oil-soluble PAG basestocks are shown in Table 1. 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. Meet additional regulations (fire-resistance, environmental acceptability). The Scanning Brookfield chart on this page demonstrates the difference in viscometrics between a Synfluid PAO and a pour point depressed mineral oil. 0000161810 00000 n <> To correctly identify what type of fluid is needed, the end-user must know the minimum lubricant requirements for that piece of equipment. Give us a call to discuss how Synfluid PAOs can withstand the pressure in your hydraulic applications. 168 0 obj All rights reserved. 0000034289 00000 n 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. Heavier components adversely affect low-temperature performance and pour point. Since we are all concerned with the protection of our environment, it is important to note some PAOs can be formulated with other components into biodegradable fluids. The table below shows a comparison of conventional hydraulic oils with the new PAO biobased lubricant from RLI. Youre not kidding! The rotary bomb bench test is a strong predictor of how base oils will perform in many automotive and industrial applications. 0000035588 00000 n Since they are fully synthetic, Synfluid PAOs are extremely pure and provide inherent benefits in oxidative stability and viscosity performance at temperature extremes. polyalphaolefin compatibility chart. endobj Consistent feedstocks give rise to consistent PAO quality, resulting in consistent finished fluid performance. When possible, testing compatibility between the specific PAG lubricant to be used and the specific seal types or paints to be used is recommended. package, an optimal PAO formulation will be different than that of mineral oils. The differences in flash, fire, volatility and viscosity highlight the flexibility benefits of using a Synfluid PAO. 97 0 obj Each lubricant type will be the best choice for different sets of use parameters, including: PAO-based lubricants may be preferred when the following lubricant attributes are targeted: PAG-based lubricants may be preferred when the following lubricant attributes are targeted: If end-users are in doubt about which lubricant would best suit their needs, it is recommended that an expert be contacted to assist with the decision-making process. xref 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. endobj With the powerful combination of MOLYKOTE. They may also be used to develop high-performance, environmentally friendly lubricants. However, Group III base stocks are derived from multiple feedstock choices and processing technologies, which create variability in the properties. Polyalphaolefin (PAO) fluids are the most common major synthetic base oil used in industrial and automotive lubricants. Additives will increase the overall viscosities; however, PAO base oil leaves plenty of room for meeting specifications. 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 advantages show that PAOs address problems other fluids cannot. This Chemical Compatibility Guide is offered for informational purposes only and was developed from information sources other than SpillTech. One obvious trend is that low-viscosity oils are beneficial in improving fuel efficiency. 0000012483 00000 n Some of the advantages of PAO-based lubricants are summarized in Table 5. There are distinct advantages in volatility and low-temperature viscosity. High-viscosity PAO fluids have also become popular in industrial fluids and greases.