polyalphaolefin compatibility chart

Polyglycols-40 to 125 C These advantages show that PAOs address problems other fluids cannot. 2014-03-26T09:12:57.905-05:00 0000048689 00000 n We are first in your inbox with the most important news in the industry―keeping you smarter and one-step ahead in this ever-changing and competitive market. PAG-based lubricants have excellent viscosity indices significantly better than PAO-based lubricants of the same viscosity grade. The claims can include anything from red wine, coffee, and tea to fruits and vegetables that help lower cholesterol or blood pressure, decrease the risks of diabetes or cancer, or lead to a longer life. Whichever low-viscosity base oil is used, it must exhibit viscosity stability and low volatility. These synthetic hydrocarbons are designed to provide superior lubrication performance over a wider operating-temperature range than petroleum oils and typically are less volatile. This is the case for blending Synfluid PAO 5 and PAO 7. Furthermore, we are able to achieve these properties with non-decene alpha olefin feedstocks while providing advantages over existing products and extending feedstock supply. MOLYKOTE. The table below shows how our new Synfluid mPAOs offer significant advantages in pour point and viscosity index over conventional high-viscosity PAOs. We make the petrochemical solutions found in products of all kinds with purpose, collaboration and care. 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 . The rotary bomb bench test is a strong predictor of how base oils will perform in many automotive and industrial applications. Synfluid PAOs are already known for their excellent low-temperature and oxidative stability properties. More specialized polyolefins include polyisobutylene and polymethylpentene. PAO- and PAG-based lubricants are both hydrolytically stable and have low pour points. Technical White Oils are approved for incidental food contact at USDA-approved meat and poultry plants. 11 0 obj <> endobj At that time, both fires on U.S. Navy ships and aircraft were occurring due to the use of mineral oil-based hydraulic fluids. To improve fuel economy, OEMs are moving toward lower-viscosity oils, even in heavy-duty diesel engines. 0000034419 00000 n This article will discuss the most common synthetic fluids aiming to help end-users make the right choice for their applications. Satisfactory to 72F (22C) 2. endobj 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). 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. 0000000891 00000 n While viscosity improvers can enhance VI, they can break down over time, resulting in diminished performance. Sorry, you need to enable JavaScript to visit this website. Sometimes, one plus one can equal more than two. The current trend toward lower viscosities, while providing for extended drain capabilities, does present an interesting challenge for base oils. Therefore, at high temperatures, it is advantageous to utilize a more stable base oil, specifically Synfluid PAO. Rotary screw compressor oils formulated with PAO offer performance benefits not obtainable with a mineral-oil-based formulation. The properties, advantages, and disadvantages reviewed provide some of the main reasons why. 101 0 obj The vast number of high-quality base oil choices can be confusing when balancing fuel efficiency and wear protection. PAOs are uniquely suited to aviation hydraulics because of the inherently high flash/fire points and low volatility. endstream endobj 5 0 obj <>>> endobj 6 0 obj <>>>/Rotate 0/Type/Page>> endobj 7 0 obj <>stream 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. Polyalphaolefins also have poor fire resistance and biodegradability. 175 0 obj These oligomers are distilled and hydrogenated to yield specific molecular weight ranges that meet the viscosity grades that are desired. As the chart above clearly demonstrates, the difference in viscosity as a function of shear rate is magnified as temperature decreases. The chart below shows the exceptional fire point advantages of using a 1-dodecene based PAO. xmp.did:00801174072068118083E936383AAE83 2014-03-26T09:16:41-05:00 Improved equipment efficiency and energy savings. Polyalphaolefin is by far the most common major synthetic base oil used in industrial and automotive lubricants. 0000014966 00000 n Not necessarily. We believe it can be understood by looking at the thermal conductivity and specific heat of the base oils. 0000002388 00000 n Adding a PPD will reduce the pour point of a mineral oil, but it still will not achieve the performance of a PAO. 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. Dominant in a commercial sense are polyethylene and polypropylene. 93 0 obj 0000135087 00000 n 0000000416 00000 n The chart below shows specific properties of four of our PAO grades that are well-suited to metalworking applications. 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. Compatibility testing is the best option. 0000032842 00000 n More importantly, however, was product performance. 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. 0000034289 00000 n 2014-03-26T09:16:41-05:00 2014-03-26T09:12:59.004-05:00 102 0 obj Chevron Phillips Chemicals proprietary manufacturing process and monomer selection combine to produce the groundbreaking performance characteristics that our customers expect from Synfluid polyalphaolefins. However, Synfluid PAOs can be formulated to be biodegradable and are well known for standing out from conventional base oils. 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. 184 0 obj The use of mineral oil-based lubricants in the world, however, is decreasing. 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! guide for chemical uses The information listed in parentheses is D-1418 nomencalture, common acronyms or common trade names. Not a subscriber or a registered user yet? The lower volatility decreases oil replacement costs by reducing oil consumption. The Ethylene price in the Europe region was dull throughout the third quarter of 2022, which abetted the declining price trend of PAO throughout Q3 in Europe. For example, one would not be able to make an 0W-20 oil with a C12-derived PAO as the viscosities are too high. <> Jun 09, 2022. polyalphaolefin compatibility chart . 0000012542 00000 n endstream The VI of PAOs typically only varies one to two points. Address specific system site conditions (potential for water ingression). Whether its transportation or industrial lubes, greater fuel efficiency means lower operating costs. Additives will increase the overall viscosities; however, PAO base oil leaves plenty of room for meeting specifications. endobj This is a far greater benefit than can be achieved from other base oils. 0000003221 00000 n Recent advancements in additive technology and synthetic base fluid manufacturing are pushing the performance edges that make current lubricant offerings better than ever. CHEMICAL RESISTANCE CHART. (2;2222;;;;;;;;;;;;;;;;;@@@@@;@@@@@@@@@@@@@@@@@@@@@ " B News & Technology for the Global Energy Industry. 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. 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. Actions. Both basestock types have low volatility and high fire points (when stabilized) for a given viscosity grade. The grease is then inspected for visual abnormalities and can be tested for penetration and four-ball wear change. 178 0 obj We make the petrochemical solutions found in products of all kinds with purpose, collaboration and care. 0000001726 00000 n The more EO monomer in the basestock, the more water-soluble; the more PO monomer, the more water-insoluble; and the more BO monomer, the more oil-soluble the basestock is. 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. Synfluid PAOs provide outstanding improvements in oxidation stability, volatility, water separability and viscometrics, greatly improving oil and hardware longevity. 0000139372 00000 n 0000035588 00000 n One obvious trend is that low-viscosity oils are beneficial in improving fuel efficiency. 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. The primary difference between these two products is pour point. Chemical Compatibility Guide Since they are fully synthetic, Synfluid PAOs are extremely pure and provide inherent benefits in oxidative stability and viscosity performance at temperature extremes. PAOs are used extensively in automotive fluids as well as hydraulic, gear and bearing oils, working in extremely cold climates or hot applications. 0000140275 00000 n concentration from 0.5 percent to 1 percent. 95 0 obj To help you optimize your application, Chevron Phillips Chemical offers a wide variety of PAOs delivering oxidative and thermal stability advantages. Our sustainability strategy encompasses the concerns and issues identified by our stakeholders and we are committed to addressing these issues. %PDF-1.4 % 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.). Ethylene glycol dimethacrylate is the enoate ester that is the 1,2-bis (methacryloyl) derivative of ethylene glycol. According to the U.S. government, biobased is defined as at least 44% biobased carbon content for hydraulic fluids. C12-derived PAOs also provide advantages with higher Viscosity Index (VI), better flash/fire points, and even lower cold crank simulated viscosities. JFIF Adobe d ##''$ %'% $('++++'()02520)7;;;;7;;;;;;;;;;;;;;; ""2(! 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. PAOs on the other hand are derived from a clearly defined processing technology using petrochemically pure alpha olefins. Our C10-based products, commercialized in the 1970s, were the first in the market. Tiny bubbles these can cause major issues, such as shorter lubricant life, increased fluid compressibility, lower fluid viscosity and cavitation. polyalphaolefin compatibility chart. 0000000016 00000 n 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. Address new equipment conditions (higher operating temperature and pressure, greater loads and speed). Temp. Since then, the company has expanded PAO as well as ethylene production, both basic building blocks for many petrochemical processes. 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. Chevron Phillips Chemical has been producing two families of PAOs for close to 25 years. 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. 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. 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. Adobe PDF Library 10.0.1 A drop-in replacement for petroleum, it's used in countless applications in many industries. uuid:df0b74fe-2082-ca4e-860d-fb6b88ddfe4d Some of the disadvantages of PAO-based lubricants are outlined in Table 6. Chemical Compatibility Chart (cont.) Consistent feedstocks give rise to consistent PAO quality, resulting in consistent finished fluid performance. Polyalphaolefin does not contain ring structures, double bonds, sulphur, nitrogen components or waxy hydrocarbons. 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. endobj Polyalphaolefins (PAO)-60 to 125 C Stable, lubricious fluids compatible with most plastics and elastomers. LDPE Chemical Compatibility Chart: Check the chemical compatibility of LDPE (low density polyethylene) with various chemicals, solvents, alcohols and other products. RESISTANCE CHART RATINGS CHEMICAL EFFECT A No effectExcellent B Minor effectGood 2. In contrast, a mineral oil will require various antioxidants depending upon the structural makeup. Finally, due to their excellent response to antioxidants, Spectra-Syn Plus PAO can be formulated to resist thermal oxidative attack. Our team of experts answer the most frequently asked questions. If you are using multiple greases, there are certain risks for misapplication, which are minimized with a multi-purpose grease. Meet new original equipment manufacturer and industry standard requirements. 0000162144 00000 n M/ B#z9lBGaB=]yz!sG !*, general guideline for pump material selection, from application/x-indesign to application/pdf. PAOs are Newtonian fluids; in other words, their viscosities are fairly independent of shear rate. 0000036029 00000 n 0000003107 00000 n Synfluid mPAOs exhibit faster air release times, particularly when comparing the 100 cSt blends. 0000013783 00000 n Polyalphaolefin (PAO) fluids are the most common major synthetic base oil used in industrial and automotive lubricants. endobj endobj 0000004079 00000 n 0000012483 00000 n All rights reserved. Were a company with deep-rooted values, and were looking for people like you to join our team. from application/x-indesign to application/pdf This is especially true when you consider the entire operating temperature range including startup. We look forward to helping you consolidate your grease cabinet! The chart below shows an example of an engine oil formulation with two different quality PAOs. LDPE is defined by a density range of 0.910-0.940 g/cm3. trailer This is a recurring situation and is what led to the development of 1-dodecene based Synfluid PAOs in 1995. 0000140193 00000 n Whether for automotive or industrial applications, these products can improve performance and solve problems. converted <> 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. mary berry grandchildren names . Sorry, you need to enable JavaScript to visit this website. Why does this happen? June 16, 2022; Posted by usa volleyball national qualifiers 2022; 16 . Water for liquid cooling comes from different sources. 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. A formulator choosing the right base oil is like a craftsman choosing the right tool it needs to fit the job. It is a synthetic hydrocarbon (SHC) that mimics the best hydrocarbon (branched) structure found in mineral oils. PAO quality is unrivaled in the industry. 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. Chemical kinetics tell us that if you reduce the temperature, you will reduce the reaction rate. The superior low-temperature flow characteristics of PAOs ensure faster coating of critical parts in the compressor during startup, minimizing wear. This new system improves the viscosity properties, which should be more energy conserving and achieves the ultimate biodegradation rating ASTM D5864-PW1. Give us a call. 179 0 obj All rights reserved. Although VI is an important indicator, when used alone, VI is misleading. endobj Synthetic lubricants can be very different chemically and what defines those differences are the basestocks used as the basis for the lubricant. Disadvantages of PAG-based lubricants are summarized in Table 3. !DOaBADOaB&=&=U!z CHEMIC ATIBILITY 3 Updated 7/2/13 CHEMICALS METALS PLASTICS, ELASTOMERS & LEATHER A: Excellent, B: Good, C: Fair to Poor, D: Not recommended Polyalkylene glycol (PAG) and polyalphaolefin (PAO) are two synthetic lubricant options for industrial applications. While pour point is one consideration, a formulator has to take into account the total specification needs. There are other advantages, such as oxidative and thermal stability, which you would naturally expect from a PAO-based product. 0000017608 00000 n According to analysis conducted by Kline & Co., more than 78% of all lubricant requirements in the world annually are met with the use of mineral oil-based fluids. xmp.id:B2FC01B10F2068118083E936383AAE83 endobj Better heat transfer coefficients, increased lubricity and the basic chemical structure of PAOs all contribute to the lower temperature in the gearbox. Give us a call to discuss how Synfluid PAOs can withstand the pressure in your hydraulic applications. 89 0 obj 0000036809 00000 n You bet! In a comparison of gear lubricants, PAOs reduced the effective operating temperature by as much as 10 20C. Chemical Compatibility Guide; what chemicals to use; guide for chemical uses; general guideline for pump material selection; material chemical 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. In the past three years, European specifications for volatility and oxidative stability have become significantly more stringent. Synfluid PAOs, in addition to NSF H1 qualification, are also available as kosher approved products. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 160 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> However, these products have demonstrated unique advantages in Sequence IIIF, VW T4 and TDI tests due to many of the other properties that are inherent in them. 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. 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. Galvanized steel is susceptible to attack by some chemicals which may cause . Driveline specifications continue to become more stringent. Available on demand until February 16, 2024. There are emerging markets that demand the improved VI and volatility that only the C12-based PAOs can deliver. 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 2002 U.S. Farm Bill Act mandates government agencies to purchase environmentally safe, biobased (vegetable oil) lubricants. Aviation hydraulics require the use of PAOs because of the inherently high flash/fire points and low volatility. 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 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. endobj endobj 91 0 obj They are usually derived from a small set of simple olefins ( alkenes ). While typical hydraulic oils are not biodegradable, this new system achieves the ultimate biodegradation rating (ASTM D5864 PW1) and even improves several performance parameters, not previously attainable. 4 0 obj <> endobj PAOs derived from 1-dodecene can improve many properties, including volatility. We believe that it is possible to achieve a passing mark with even lower amounts of PAO, further reducing costs. Furthermore, the arbitrary distinction of 120 VI between Group II and III oils makes the quality requirements even more confusing. 0000042568 00000 n With Synfluid PAO 4 cSt having a 73C ppt and 40C viscosity of 2,380 cSt, a PPD is not necessary. 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). material chemical compatibility 0 0000001216 00000 n polyalphaolefin-based lubricants. 4e739735ec50523ad929b6aac8340ae467185943 0000162168 00000 n 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 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. One key advantage PAOs have over mineral oils is a greater ability to dissipate heat. Other base oil properties need to be considered. hence, compatibility with base-oil molecules like PAO oil is improved. PAOs demonstrate advantages in three key areas: safety, performance and environmental sensitivity. 1. 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. Oxidative and other lubricant degradation mechanisms would follow the same trend. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 163 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> During 2011, Chevron Phillips Chemical acquired PAO assets in Beringen, Belgium, and began mPAO production in Texas. Our C12-based grades further improve flash/fire points by as much as 10 percent over other commercial polyalphaolefins. <>/ExtGState<>/Font<>/ProcSet[/PDF/Text]/XObject<>>>/Rotate 0/Thumb 158 0 R/TrimBox[0.0 0.0 792.0 612.0]/Type/Page>> Several synthetic base oil types fall into the SHC category. Some properties such as Viscosity Index (VI) or C viscosity can approach those of PAOs. 0000000776 00000 n However, not all synthetic lubricants are created equal. xb```f``5``c`X% @kVTW(4n5@,6$ ^09z| R/'T4D:/Iih2f/W8 CV@Vb n m[ iF ^` -2 0000017423 00000 n 0000035336 00000 n . 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. 0000000549 00000 n 0000031839 00000 n Its great to have the opportunity to talk about both. 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. These excellent pour points are achieved while increasing the viscosity indices (VI) over traditional HV PAO. hb```f``g mBU L4#o0 D 0000001332 00000 n In drivetrain lubricants, reducing the traction coefficient and lowering viscosity are key ways to increase fuel economy, but lower viscosity must be balanced to provide adequate wear resistance. Synfluid PAOs also have a very high degree of saturation, which in lubricants provides oxidative stability. Thermal conductivity is the measure of the ability to conduct heat. California Transparency in Supply Chains Act Disclosure. First, dont touch the gear box; you will burn your hand. endobj <> 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. In order of volume used, they are: polyalphaolefins (PAOs), organic esters, and polyglycols. 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. For other applications, PAOs safe and non-toxic nature allows it to be used where incidental food contact certification or kosher approval is necessary. 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. The advantages offered in oxidative stability, coupled with superior volatility and low-temperature viscometrics, clearly demonstrate that Synfluid PAOs are the highest-quality base oils available in the industry. 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. If you would like us to test your formulation or have questions about our formulating experience, give us a call. Our unique PAO 2.5cSt further improves flash/fire points by as much as 10 percent over other commercial polyalphaolefins. 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. Were here to help. Adobe InDesign CS6 (Macintosh) One example is the advantage PAO has over mineral oil in the area of high-temperature stability. 0000055257 00000 n Reducing the viscosity of engine and drivetrain oils lowers fuel consumption by decreased churning losses and viscous drag. Two major types of synthetic basestockspolyalkylene glycols (PAG) and polyalphaolefin (PAO)and the lubricants formulated from them, will be compared. This is one clear benefit of using a carefully designed base oil. However, moving to lower-viscosity oils is a possibility only if you can maintain a low Noack volatility for emissions control and lubricant stability. Polyalphaolefins offer great high temperature properties and low volatility. In addition, a PAO-based multi-purpose grease can be formulated to be both H1 and kosher approved. 4 6 polyalphaolefin compatibility chart Posted by . H*T034R0 BC0k ` f- 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 The higher the coefficient, the greater the change in viscosity at elevated pressures.

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