polyalphaolefin compatibility chart
However, Synfluid PAOs can be formulated to be biodegradable and are well known for standing out from conventional base oils. 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). <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 158 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> PAO-based greases are typically used at temperatures over 100C because of thermal and oxidative concerns. The mineral oil has both lighter and heavier molecular weight materials. The latest news, content and events about our company, initiatives, markets and products. 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. Use of PAG-based fluids and lubricants began to extend to other applications, first to quenchants and textile lubricants, then to many other lubricant categories, including anhydrous fire-resistant fluids, gear, compressor, and turbine fluids. Our C12-based grades further improve flash/fire points by as much as 10 percent over other commercial polyalphaolefins. It is a synthetic hydrocarbon (SHC) that mimics the best hydrocarbon (branched) structure found in mineral oils. 184 0 obj Some of the disadvantages of PAO-based lubricants are outlined in Table 6. PAO- and PAG-based lubricants are both hydrolytically stable and have low pour points. Typically, as the viscosity drops, the volatility increases. Changes in low-temperature viscometrics and oxidative stability requirements demand higher-quality base oils. 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. Oils made with PAOs demonstrate an inherently high viscosity index and maintain excellent low-temperature performance, compared with mineral oils. Satisfactory to 72F (22C) 2. 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. Process Chemical Compatibility Guide 9 0 obj <>stream From left-to-right, Ken Hope, General PAO Technical Services Manager; EngSoon Ho, Asia PAO Sales Manager; Emanuele Quattrone, EMEA PAO Sales Manager; Katie Clark, Americas PAO Sales Manager. Disadvantages of PAG-based lubricants are summarized in Table 3. 0000033764 00000 n 0000003221 00000 n Conversely, if you reduce the temperature, the reaction rate decreases and the oil lasts longer, providing better protection. polyalphaolefin compatibility chart Posted by . Dominant in a commercial sense are polyethylene and polypropylene. polyalphaolefin compatibility chart. Lower-viscosity PAOs have a unique property of biodegradability. MOLYKOTE. endobj 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. Synfluid PAOs are crafted from an on-purpose process that yields a consistent, high-quality product. Heavier components adversely affect low-temperature performance and pour point. 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. The table below shows a comparison of conventional hydraulic oils with the new PAO biobased lubricant from RLI. We believe it can be understood by looking at the thermal conductivity and specific heat of the base oils. Not necessarily. 168 0 obj 0000033361 00000 n The challenge presented to a formulator is maintaining the performance levels while achieving biodegradability. endobj 0000017423 00000 n Adobe PDF Library 10.0.1 COMPATIBILITY CHART Chemical Natural Rubber SBR, GRS Butyl EPR, EPT, EPDM Buna-N, Nitrile, NBR Hydrin Neoprene Hypalon Urethane, Polyurethane Polysulfide Silicone Fluorosilicone Fluoro Elastomers LEGEND A - RECOMMENDED B - MINOR TO MODERATE EFFECT C - MODERATE TO SEVERE U - UNSATISFACTORY BLANK - INSUFFICIENT DATA Acetaldehyde C U A A U C C U C . Ethylene is produced by cracking either crude oil or natural gas. endobj Each 10C temperature rise can reduce oxidative stability by half. Other base oil properties need to be considered. Approximately 80% of synthetic lubricants used in the world are of three types. In contrast, the Synfluid PAO formulation achieves a pass with as little as 30 percent PAO, the balance being Group I mineral oil. It is not reactive at room temperatures, except by strong oxidizing agents, and some solvents cause swelling. Level of maintenance and labor available. (2;2222;;;;;;;;;;;;;;;;;@@@@@;@@@@@@@@@@@@@@@@@@@@@ " B 0000016208 00000 n Chemical Compatibility Chart (cont.) The chart below shows the exceptional fire point advantages of using a 1-dodecene based PAO. Polyalphaolefins (PAO)-60 to 125 C Stable, lubricious fluids compatible with most plastics and elastomers. CHEMIC ATIBILITY 3 Updated 7/2/13 CHEMICALS METALS PLASTICS, ELASTOMERS & LEATHER A: Excellent, B: Good, C: Fair to Poor, D: Not recommended 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! Chemical Compatibility Guide <> 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 0000000724 00000 n Polyalphaolefin (PAO) is manufactured through a synthetic chemical process that originates from ethylene. Therefore, at high temperatures, it is advantageous to utilize a more stable base oil, specifically Synfluid PAO. Low molecular weight compounds will degrade other performance requirements, such as volatility, flash and fire points. They may also be used to develop high-performance, environmentally friendly lubricants. P.V.C. Polyalphaolefins (PAO)-60 to 125 C Stable, lubricious fluids compatible with most plastics and elastomers. Furthermore, the process is a simpler, more energy-efficient route for grease production. 0000002226 00000 n 0000004340 00000 n 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 information listed in parentheses is D-1418 nomencalture, common acronyms or common trade names. Actions. PAO basestocks were developed in the 1930s and used commercially as a base for engine oils starting in the 1970s. As pressure increases, so too does the viscosity of the lubricant. Give us a call. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 162 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> application/pdf There are multiple formulations behind the science of synthetic lubricants that can complicate making the right choice for any application. Jun 09 Comentarios desactivados en polyalphaolefin compatibility chart. The term synthetic hydrocarbon (SHC) is a general term. PAOs are considered a very pure substance since they are derived from petrochemically pure ethylene and then from 1-decene or 1-dodecene, which could be considered a further purification step. PAO quality is unrivaled in the industry. This is just one of the many performance advantages of Synfluid mPAO. Two major types of synthetic basestockspolyalkylene glycols (PAG) and polyalphaolefin (PAO)and the lubricants formulated from them, will be compared. The properties, advantages, and disadvantages reviewed provide some of the main reasons why. Since then, the company has expanded PAO as well as ethylene production, both basic building blocks for many petrochemical processes. 89 0 obj 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. Lowering torque reduces the energy requirements of the equipment and improves grease distribution. The chart below shows that the PAO has a higher specific heat, which means that the PAO is better at absorbing heat. Sustained operations at elevated temperatures increase the rate of oxidation and other degradation reactions. Absolutely! endobj The higher the coefficient, the greater the change in viscosity at elevated pressures. A run through the test: 4e739735ec50523ad929b6aac8340ae467185943 Since there are no other discernable compounds, Synfluid PAOs are more readily biodegradable and can be used for some food applications. '0v^ Ln 1qDP]C[,z[v(u_g.Fh{K>8rI,[GV&mE}^ 9S87PGgT hO"4=]3JVp ZmU[@=ocLV]P *y`# dY'!3!IP0O. These excellent pour points are achieved while increasing the viscosity indices (VI) over traditional HV PAO. Driveline specifications continue to become more stringent. 0000000891 00000 n 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 . PAG- and PAO-based lubricants are used in multiple industries and, as synthetics, offer improved performance over mineral oils. 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. 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. Polyalphaolefin (PAO) fluids are the most common major synthetic base oil used in industrial and automotive lubricants. 0000048689 00000 n NLGI #2. 0000034812 00000 n 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. These compounds are not discernable in Synfluid PAOs. Synfluid PAOs have helped you to meet industry specifications in the past. For instance, Chemtool Incorporated utilizes Synfluid PAOs in greases, and they have been able to formulate their products to take specific advantage of Synfluid PAO properties, yielding improvements in low-temperature mobility and torque. 0000018828 00000 n Business never stands still, but you can always count on dependable Chevron Phillips Chemical Synfluid PAOs. The chart differentiates the blending capabilities of various base oils to meet energy-efficient motor oils. 180 0 obj xmp.did:00801174072068118083E936383AAE83 The uniquely beneficial quality of PAOs has been demonstrated in a series of European engine tests. PAOs demonstrate advantages in three key areas: safety, performance and environmental sensitivity. This is especially true when you consider the entire operating temperature range including startup. One key advantage PAOs have over mineral oils is a greater ability to dissipate heat. PAOs offer exceptionally low volatility due to their controlled formation, which yields carefully designed molecular weights. 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. Adobe InDesign CS6 (Macintosh) This lowers their volatility, creates less hydrocarbon tailpipe emissions and raises the flash point. 0000012542 00000 n Polyglycols-40 to 125 C Synthetic lubricants can meet these demands because they perform better than mineral oil-based lubricants in many or all the critical performance areas: reduced wear and friction, resistance to sludge formation, lower volatility, greater corrosion protection, and improved thermal and oxidative stability. Satisfactory to 72 F. 3. 2014-03-26T09:16:41-05:00 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. guide for chemical uses Our sustainability strategy encompasses the concerns and issues identified by our stakeholders and we are committed to addressing these issues. 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. 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. what chemicals to use By utilizing this new process combined with the inherent properties of PAOs, a grease can be produced that can be used in both extreme high- and low-temperature applications. The PAOs . 93 0 obj PAOs are used extensively in automotive fluids as well as hydraulic, gear and bearing oils, working in extremely cold climates or hot applications. They are usually derived from a small set of simple olefins ( alkenes ). These properties translate into easier distribution of the grease and improved energy efficiency in the equipment. Tiny bubbles these can cause major issues, such as shorter lubricant life, increased fluid compressibility, lower fluid viscosity and cavitation. To help you optimize your application, Chevron Phillips Chemical offers a wide variety of PAOs delivering oxidative and thermal stability advantages. trailer Some specifications have a low-temperature MRV requirement. 0000031839 00000 n The limits on lowering the viscosity grade are tied to the base oil properties. Focusing on the components of the additive package can further influence the performance of the formulation. These units provide a flow of temperature controlled fluid or Polyalphaolefin liquid. 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. This provides several advantages, one of which can be illustrated by gas chromatography. According to the U.S. government, biobased is defined as at least 44% biobased carbon content for hydraulic fluids. endobj Because of this extensive chemical compatibility, which spans considerable concentration and temperature ranges, . Fluid distribution panels are also discussed. BioPreferred is a registered service mark of the United States Department of Agriculture. LDPE Chemical Compatibility Chart: Check the chemical compatibility of LDPE (low density polyethylene) with various chemicals, solvents, alcohols and other products. News & Technology for the Global Energy Industry. 0000003107 00000 n %%EOF Synfluid PAOs are designed to provide stable viscosities at low temperature and excellent viscometrics and deliver oxidative stability. 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. from application/x-indesign to application/pdf endobj The viscosity of the base oil is largely irrelevant in relation to the compatibility risks with the thickener. 2023 Access Intelligence, LLC - All Rights Reserved. 0000000016 00000 n C 20 40 60 20 40 60 80 100 20 40 60 80 100 20 40 60 80 100 120 20 40 60 . Jun 09, 2022. polyalphaolefin compatibility chart . 2014-03-26T09:12:59.004-05:00 0000135087 00000 n Fluids are typically subjected to various shear and temperature conditions. The rotary bomb bench test is a strong predictor of how base oils will perform in many automotive and industrial applications. However, moving to lower-viscosity oils is a possibility only if you can maintain a low Noack volatility for emissions control and lubricant stability. The dodecene-based products offer lower volatility at comparable viscosities to the decene-based products. 0000162168 00000 n The C12-derived PAOs were created to give better volatility, giving formulators four new options when choosing PAOs. 0000001605 00000 n 0000035588 00000 n In addition, a PAO-based multi-purpose grease can be formulated to be both H1 and kosher approved. Remember, PAOs are carefully designed, not refined. This is the case for blending Synfluid PAO 5 and PAO 7. To improve seal compatibility of PAO-based lubricants, an ester is added to . In addition to these properties, weve also seen a significant reduction in the traction coefficient as compared to conventional high-viscosity PAOs. For instance, a 100 percent aminic antioxidant package will yield the best performance in the Rbot test for PAO. 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. 0000135019 00000 n 11 46 1 - High Resistance 2 - Limited Resistance 3 - No Resistance . This will increase the dependence on high-quality base oils such as PAOs. The chart below shows biodegradation test results for Synfluid PAO 2.5, 4 and C12 Dimer, which indicate that these products could qualify as inherently biodegradable according to the ASTM D5864 test method. Improved equipment efficiency and energy savings. PAOs are uniquely suited to aviation hydraulics because of the inherently high flash/fire points and low volatility. We make the petrochemical solutions found in products of all kinds with purpose, collaboration and care. One way to achieve a higher VI base fluid is to shift from a decene-based PAO to a dodecene-based PAO. 0000034554 00000 n The direct feedstock (normal alpha olefin - NAO) is produced through the chain growth and displacement process for producing petrochemically pure alpha olefins. A relatively simple test, the criteria of the test varies depending on which grease manufacturer you are dealing with. <> Polyalphaolefin is by far the most common major synthetic base oil used in industrial and automotive lubricants. False Adding a PPD will reduce the pour point of a mineral oil, but it still will not achieve the performance of a PAO. However, unlike foaming, entrained air can be a difficult problem to treat with additives. With todays oils requiring a higher-quality lubricant basestock to meet more stringent tests, polyalphaolefins are perfectly tailored and consistently manufactured to meet the challenge. esters or alkylated naphthalenes) to improve their solvency and deposit control. We have measured a 25 percent improvement in oxidation induction times simply by decreasing the test temperature by 10 degrees. <> You see, PAOs are carefully designed, not refined. We make the petrochemical solutions found in products of all kinds with purpose, collaboration and care. Technical White Oils are approved for incidental food contact at USDA-approved meat and poultry plants. Chevron Phillips Chemical offers two lines of PAOs. As shown in the chart below, our PAOs have shown very little fluctuation over the years, with stable viscosities at 100, 40 and -40C even as weve made improvements to characteristics such as oxidative stability. Effect of Base Oil Type on Gear Box Temperatures. Please dont hesitate to reach out to us if you have any questions! hb```f``g mBU L4#o0 D As the viscosity grade decreases, the volatility and high-temperature/high-shear viscosity will be limiting factors. 2014-03-26T09:12:57.905-05:00 In addition to these advantages, kosher certification for Synfluid PAOs is available upon request. Grade Name. 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. High energy costs have hit both businesses and consumers hard, and the pressure is on to conserve. 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. The key to unlocking the full potential of your formulation requires using the right combination and concentration of antioxidant and Synfluid PAO.
