polyalphaolefin compatibility chart
During 2011, Chevron Phillips Chemical acquired PAO assets in Beringen, Belgium, and began mPAO production in Texas. Oxidative and other lubricant degradation mechanisms would follow the same trend. 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. xmp.did:F87F1174072068118083E936383AAE83 The VI of PAOs typically only varies one to two points. PAO-based rotary screw compressor oil offers better performance in the compressor. We offer a wide range of solutions essential to your products. They are also employed as base fluids in some wide temperature range greases. Temp. MOLYKOTE. Understanding this advantage is important for optimizing the performance of todays fluids and improving the life of equipment. In both cases, the reduction in volatility will translate to lower oil consumption and reduced engine varnish over the life of the oil. Jun 09 Comentarios desactivados en polyalphaolefin compatibility chart. Compatibility testing is generally carried out at high temperatures, simulating an accelerated life and poor or stressful conditions for the plastic and elastomer/rubber. PDF CHEMICAL RESISTANCE CHART - U.S. Plastic endstream endobj 5 0 obj <>>> endobj 6 0 obj <>>>/Rotate 0/Type/Page>> endobj 7 0 obj <>stream Due to this incompatibility with many but not all PAG lubricants, system change-outs from mineral oil to PAG-based lubricants may be costlier and take additional time. The chart below shows that the PAO has a higher specific heat, which means that the PAO is better at absorbing heat. PAOs offer exceptionally low volatility due to their controlled formation, which yields carefully designed molecular weights. 0000036701 00000 n The 2002 U.S. Farm Bill Act mandates government agencies to purchase environmentally safe, biobased (vegetable oil) lubricants. The relative availability of olefin monomer was certainly a consideration (i.e., 1-octene vs. 1-decene). Having a high viscosity index helps to protect an engine at temperature extremes. 0000003221 00000 n These units provide a flow of temperature controlled fluid or Polyalphaolefin liquid. At that time, both fires on U.S. Navy ships and aircraft were occurring due to the use of mineral oil-based hydraulic fluids. 0000031839 00000 n RESISTANCE CHART RATINGS CHEMICAL EFFECT A No effectExcellent B Minor effectGood 2. High molecular weight compounds will degrade pour point, cold crank and other low-temperature viscometrics. Using Chevron Phillips Chemical Synfluid PAOs, OM Group (OMG) has developed a revolutionary new, lower-temperature, abbreviated process for producing greases. Polyalphaolefin (PAO) Lubricants Explained - Machinery Lubrication Our safety, technical and regulatory product information, as well as company and industry resources. 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. 0000139641 00000 n 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. 0000012542 00000 n The term synthetic hydrocarbon (SHC) is a general term. Nine standard circulating fluids including d-Limonene, FC77 Flourinert, Galden, Lexol 408, Paratherm CR, Coolanol and PAO. After the formation of the Chevron Phillips Chemical joint venture in 2000, a 10 KTA PAO unit expansion followed soon thereafter. Our Synfluid mPAO is based on a single monomer, AlphaPlus 1-Octene. polyalphaolefin compatibility chart - amcsalud.com In contrast, the Synfluid PAO formulation achieves a pass with as little as 30 percent PAO, the balance being Group I mineral oil. 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. PAG- and PAO-based lubricants are used in multiple industries and, as synthetics, offer improved performance over mineral oils. 0000041967 00000 n Eight standard model Portable Liquid Chillers and ten standard model PAO Carts. <> This clearly shows that a PAO base oil substitution can significantly lower operating temperatures of the gear box and extend the required maintenance interval. PAOs are uniquely suited to aviation hydraulics because of the inherently high flash/fire points and low volatility. Effect of Base Oil Type on Gear Box Temperatures. 0000042568 00000 n The chart differentiates the blending capabilities of various base oils to meet energy-efficient motor oils. Satisfactory to 120F (48C) Ratings: Chemical Effect A = Excellent. 56 0 obj<>stream From then on, the company introduced 1-dodecene-based PAOs in 1995, which have grown steadily in popularity. PAO-based lubricants offer a significant advantage in oxidative stability. You see, the jump hurts the pump.. BioPreferred is a registered service mark of the United States Department of Agriculture. Polyalphaolefins Technology | Chevron Phillips Chemical Adobe PDF Library 10.0.1 We believe it can be understood by looking at the thermal conductivity and specific heat of the base oils. CHEMIC ATIBILITY 3 Updated 7/2/13 CHEMICALS METALS PLASTICS, ELASTOMERS & LEATHER A: Excellent, B: Good, C: Fair to Poor, D: Not recommended Some specifications have a low-temperature MRV requirement. 0000002388 00000 n 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. endobj B = Good, Minor Effect, slight corrosion or discoloration C = Fair, Moderate Effect, not recommended for continuous use. <>stream 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 . Chemical Compatibility Chart | ISM - Industrial Spec hb```f``g mBU L4#o0 D Compatibility testing includes heating and holding grease for a specified time at assumed operating temperature for mixtures of 10:90, 50:50 and 90:10. Heres an overview of our production process: Copyright 2023 Chevron Phillips Chemical Company LLC. In contrast, a mineral oil will require various antioxidants depending upon the structural makeup. Lower-viscosity PAOs have a unique property of biodegradability. The choice of C10- or C12-derived PAO depends on the application and/or specification requirements. Sorry, you need to enable JavaScript to visit this website. 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. Buna-N Satisfactory for "O . NLGI #2. Although VI is an important indicator, when used alone, VI is misleading. <> Furthermore, we are able to achieve these properties with non-decene alpha olefin feedstocks while providing advantages over existing products and extending feedstock supply. 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. JFIF Adobe d ##''$ %'% $('++++'()02520)7;;;;7;;;;;;;;;;;;;;; ""2(! Fluids are typically subjected to various shear and temperature conditions. 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. The latest news, content and events about our company, initiatives, markets and products. However, Synfluid PAOs can be formulated to be biodegradable and are well known for standing out from conventional base oils. The superior low-temperature flow characteristics of PAOs ensure faster coating of critical parts in the compressor during startup, minimizing wear. Both the foam tendency (the initial amount of foam generated in this test) and the time required for the foam to collapse are remarkably better for Synfluid mPAO. 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. The mineral oil has both lighter and heavier molecular weight materials. endobj Improved equipment efficiency and energy savings. The rotary bomb bench test is a strong predictor of how base oils will perform in many automotive and industrial applications. what chemicals to use xmp.did:00801174072068118083E936383AAE83 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). The combination of air and oil can often lead to foaming issues. 0000034419 00000 n California Transparency in Supply Chains Act Disclosure. <> 0000002226 00000 n The direct feedstock (normal alpha olefin NAO) is produced through the chain growth and displacement process for producing petrochemically pure alpha olefins. Since then, the company has expanded PAO as well as ethylene production, both basic building blocks for many petrochemical processes. To improve seal compatibility of PAO-based lubricants, an ester is added to the formulation to add some polarity. The chart below shows the operating temperature range of a PAO-based, OMG process grease versus comparable mineral-oil-based grease. Rotary screw compressor oils formulated with PAO offer performance benefits not obtainable with a mineral-oil-based formulation. 179 0 obj Lack of mineral oil solubility is a barrier to expanded use of PAG-based lubricants. PDF Chemical Resistance Guide - Gilson Eng 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. 178 0 obj 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. 10.1 Introduction. Polyolefin. 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. 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. Typically, as the viscosity drops, the volatility increases. 2014-03-26T09:12:57.905-05:00 0000048689 00000 n Actions. Therefore, at high temperatures, it is advantageous to utilize a more stable base oil, specifically Synfluid PAO. polyalphaolefin compatibility chart - kazuyasu.net 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. Bk.2z3)))lBShBSX!D !DOaBBB*=]!z 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. PAOs demonstrate advantages in three key areas: safety, performance and environmental sensitivity. H*T034R0 BC0k ` f- 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. 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. 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. A drop-in replacement for petroleum, it's used in countless applications in many industries. Specific tests such as the Volkswagen T-4, TDI and Peugeot TU-5 have increased the demand for higher-quality base oils. High-viscosity PAO fluids have also become popular in industrial fluids and greases. 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. 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. endobj %PDF-1.6 % The chart below shows the gas chromatogram of PAO versus white mineral oil, illustrating the relative enhanced purity of PAO. <> Polypropylene Satisfactory to 120 F. 4. Glad you asked! 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. 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. This resistance to fire and flame propagation improves the margin of safety in the event of a hydraulic leak. Synfluid PAOs have been carefully designed to yield oxidative induction times greater than 2,500 minutes with 0.5 percent antioxidant. Since PAO fluids are synthetic hydrocarbons, they are compatible with and often combined with mineral-based oils. The magnitude of these benefits will depend on the particular formulation. 2013-07-10T14:05:23-05:00 Grade Name. The most favorable performance is achieved by using the highest-quality base oils. 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! PAO basestocks were developed in the 1930s and used commercially as a base for engine oils starting in the 1970s. 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. Polyalphaolefins also have poor fire resistance and biodegradability. 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 0000162572 00000 n Chevron Phillips Chemical has been producing two families of PAOs for close to 25 years. You see, PAOs are carefully designed, not refined. Chemical Compatibility Guide For instance, excellent water separation improves compressor operability by reducing the chance of emulsion formation. Lubricants and possible plastic or rubber compatibility issues Each 10C temperature rise can reduce oxidative stability by half. 0000135019 00000 n 0000012483 00000 n Not necessarily. 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). June 16, 2022; Posted by usa volleyball national qualifiers 2022; 16 . Working in conjunction with the Union Carbide Chemicals, Plastics Company Inc., and the Mellon Institute of Industrial Research, the USNRL developed the first water-glycol, PAG-thickened, fire-resistant hydraulic fluid (WGHF). Chemical Compatibility Guide 89 0 obj And we pioneered and patented our unique C12-based PAOs in the 1990s. Both lubricant types are used in industrial gearboxes, compressors, and even air conditioning systems. PAO-base oils help improve fuel economy in engine and drivetrain oils by reducing viscosity, volatility and traction coefficients as the chart below shows: These results show the potential for reducing friction loss using PAOs, which also typically have lower pressure-viscosity coefficients than mineral oils reducing elastohydrodynamic gear friction losses and energy consumption. 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. The C12-derived PAOs were created to give better volatility, giving formulators four new options when choosing PAOs. 0000002192 00000 n Now that fuel economy is more important than ever, even a one percent improvement can make a significant difference on overall costs. Furthermore, the process is a simpler, more energy-efficient route for grease production. polyalphaolefin compatibility chart - dice-dental.asia 0000004079 00000 n H}vUwUw^MwS`y{vV|&s@@9H"61O}/oi~3}\y{)2| U:iY?_/}|(P^@m`kbu_?>sG-rj?~-r[?wp_2W,)!BkBkB*.]Y""ZBmSB&,zB}B+!B]}u}>gSSS The chart below shows an example of an engine oil formulation with two different quality PAOs. 97 0 obj Give us a call. 0000018828 00000 n polyalphaolefin compatibility chart. In the past three years, European specifications for volatility and oxidative stability have become significantly more stringent. 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. Polyalphaolefin is by far the most common major synthetic base oil used in industrial and automotive lubricants. 95 0 obj xb```f``5``c`X% @kVTW(4n5@,6$ ^09z| R/'T4D:/Iih2f/W8 CV@Vb n m[ iF ^` -2 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. proof:pdf endobj One key advantage PAOs have over mineral oils is a greater ability to dissipate heat. Adobe InDesign CS6 (Macintosh) The latest news, content and events about our company, initiatives, markets and products. hence, compatibility with base-oil molecules like PAO oil is improved. 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. 0000032842 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. However, moving to lower-viscosity oils is a possibility only if you can maintain a low Noack volatility for emissions control and lubricant stability.
