Analytical instrumentation
Reliability in lubricating greases is critical for modern machinery, as inadequate lubrication is a leading cause of equipment failure. Studies indicate that poor lubrication practices contribute to over half of bearing failures1. In industries ranging from automotive to wind energy, grease performance directly impacts maintenance costs, downtime, and safety. North American markets, in particular, demand greases that can withstand high loads, broad temperature ranges, and long service intervals in diverse applications. To meet these needs, manufacturers are pursuing innovative formulations and production methods, while industry bodies like the National Lubricating Grease Institute (NLGI) provide certification standards to ensure quality and performance. The GC-LB classification established by NLGI for chassis and wheel bearing greases has historically served as a globally acknowledged standard for grease quality. However, with “advancements in materials, technologies and applications,” NLGI recognized that modern equipment needs more rigorous benchmarks2. In response, NLGI has developed new High-Performance Multiuse (HPM) grease certifications targeting next-generation requirements2. This paper explores three key areas shaping the next generation of grease reliability in North America: (1) cutting-edge grease formulations (including synthetic and bio-based lubricants), (2) emerging manufacturing technologies for improved consistency and performance, and (3) application-specific innovations addressing extreme operating conditions. Data-driven insights from industry reports and tribology research are presented, along with market trends and technical forecasts, to illustrate how concept, design, and application advances — coupled with NLGI certifications — are driving grease technology forward.
Grease formulation has entered a new era of innovation, with chemists developing novel base oils, thickeners, and additive systems to enhance reliability. A major trend is the increased use of synthetic base oils (such as polyalphaolefins (PAO) and esters) in place of conventional mineral oils. Synthetics offer superior viscosity index, oxidative stability, and extreme-temperature performance, which directly translate to more reliable lubrication in demanding conditions. For example, in wind turbine applications that face both Arctic cold and desert heat, greases formulated with metallocene PAO synthetic oils show “superior low-temperature performance” and high viscosity index, ensuring fluidity in sub-zero climates and robust film strength in heat3. These attributes allow bearings to start up easier in cold weather and maintain protection at high temperatures, extending component life. North American grease manufacturers have been increasingly adopting synthetic base stocks; recent industry data from 2021 show that about 20% of grease produced in the region used synthetic or semi-synthetic oils a share that has been rising (approaching 25% by 2023) as companies target higher performance4 5. The remaining majority still use conventional mineral oils, but the gap is closing as the cost-performance equation for synthetics improves.
Another formulation frontier is bio-based and biodegradable greases, driven by sustainability goals and regulations. Bio-based greases use renewable vegetable oils or other biological feedstocks for the base oil component. Although they currently occupy a small niche (roughly 1–5% of the grease market), their presence is growing steadily. Global demand for bio-lubricants (including greases) is projected to expand at ~4.7% CAGR, with market size rising from USD 3.26 billion in 2023 to about USD 4.90 billion by 20326 7. North America leads this segment, accounting for 44.8% of the global biolubricants market in 2023, thanks to regulatory support and customer interest in environmentally friendly products7. Historically, bio-based greases faced performance trade-offs (e.g. lower oxidation stability and higher cost than mineral greases). However, advances in bio-refining and additive chemistry are narrowing this gap. In some cases, modern bio-based greases now offer comparable or even superior performance in areas like lubricity and flash point6. This makes them viable for applications in agriculture, forestry, and environmentally sensitive sites where biodegradability is a priority. Manufacturers are formulating greases with biodegradable synthetic esters and antioxidant packages to meet stringent eco-label certifications while ensuring reliability in service8.
Thickener technology is also evolving as companies seek to improve grease reliability. Traditionally, lithium soap thickeners (simple and complex lithium soaps) have dominated grease formulations due to their versatile performance. Lithium-based greases became industry workhorses for decades. However, a notable shift is underway: lithium feedstock has become costly and strategically important for electric vehicle battery production, motivating grease formulators to find alternative thickener types. According to NLGI’s annual survey, lithium-based greases (simple + complex) made up 70% of global grease production in 2020 but fell to 58% by 20239. In North America, lithium greases still constitute the majority at 61% of production, yet even this is down from 65% in 20209. Figure 1 highlights how thickener usage is trending worldwide: simple lithium soaps declined sharply, while complex lithium saw a mild dip, and alternative thickener systems gained ground.
As Figure 1 shows, calcium-based greases have surged in popularity. Calcium sulfonate complex greases (CSCGs) are seeing rapid adoption as high-performance alternatives to lithium. A study published in the journal Lubricants investigated the lubrication performance of CSCGs enhanced with two-dimensional molybdenum disulfide (2D MoS₂) nanosheets. The results demonstrated significant improvements in friction reduction and wear resistance, confirming the high-performance capabilities of CSCGs under extreme conditions18. Globally, calcium-thickened greases grew from 15% to 24% market share in just three years, with anhydrous calcium soap greases (a subtype) rising dramatically (7% to 15%)9. Industry analysts note that calcium sulfonate greases have achieved double-digit growth rates in recent years, driven by demand for greases that handle high-load, high-temperature environments10 11. North America’s shift has been more gradual (calcium-based greases ~12% of production in 2023), but many equipment OEMs and fleet operators are now qualifying calcium complex greases for heavy-duty applications9. For example, anhydrous calcium (also known as calcium complex without water) greases are touted as “a cutting-edge alternative to traditional lithium greases,” offering superior water resistance, comparable thermal limits (~120 °C, similar to lithium complex), and multi-purpose utility12. They have gained favor in Europe and are expanding in North America as lithium prices and supply chain issues persist12.
Meanwhile, polyurea greases — known for excellent high-temperature performance and long life in sealed bearings — are also on the rise. Global polyurea-based grease production climbed from 7% to 10% share between 2020 and 20239. Polyurea thickeners contain no metal, which makes them inherently suitable for electric motor bearings (where metallic soap greases can catalyze oil oxidation). They also excel in noise-sensitive and long-life applications (many electric motors and alternators are factory-filled with polyurea grease for “life-time” lubrication). North American use of polyurea greases has ticked up in recent surveys (from ~6% to 8% of production), reflecting growing demand in automotive electrification and industrial motor markets9. Formulators are developing next-generation polyurea greases that offer enhanced oxidation resistance and compatibility. For instance, recent research has focused on developing hybrid thickeners that combine polyurea with calcium sulfonate to create greases exhibiting both high-temperature stability and enhanced load-carrying capabilities13 14. These hybrids aim to integrate the oxidative and thermal stability of polyurea with the inherent extreme pressure performance, water resistance, and mechanical stability of calcium sulfonate. A study presented at the NLGI Annual Meeting introduced Rheologically Stable Calcium Sulfonate Grease (RSCG), which blends overbased calcium sulfonate with polyurea. This combination resulted in greases with enhanced structural stability and load-carrying performance, making them viable alternatives to lithium-based greases19 20. Further optimization of calcium sulfonate complex–polyurea greases (CSCPG) has demonstrated improvements in tribological performance and service life. Adjustments in base oil viscosity, nano-solid friction reducers, and thickener content have led to reduced friction coefficients and extended service life, highlighting the potential of these hybrids in demanding applications21.
Finally, additive chemistry continues to push boundaries. Grease reliability in extreme conditions often hinges on the additive package (anti-wear, extreme-pressure, rust inhibitors, etc.). Novel additives like nanoparticles are being explored to reduce wear and friction beyond the capabilities of traditional molybdenum disulfide (MoS₂) or graphite. In laboratory studies, adding nanoscale solid lubricants (e.g. nano-sized WS₂, CuO, or Ni particles) to grease has shown significant reductions in friction and wear scar size, indicating potential to protect surfaces under severe pressure14 3. Such nano-additized greases could benefit applications like wind turbine gearboxes, where micropitting and fretting wear are challenges that standard additives struggle to fully mitigate. Indeed, tribology researchers have suggested that “greases formulated with specialty additives (i.e. nanoparticles) may help prevent micropitting” in wind turbine bearings3. Though still largely in R&D or niche use, these advanced additives represent the next frontier in grease formulation for reliability.
Importantly, the formulation innovations above are being guided by emerging industry standards. NLGI’s new High-Performance Multiuse (HPM) grease certification, introduced in 2020, establishes a benchmark for greases that exceed the old ASTM D4950 (GC-LB) specs in areas such as mechanical stability, corrosion protection, and high-temperature performance15. Greases can earn the HPM core certification by meeting stricter limits on tests like penetration stability (prolonged worked penetration), oil separation, wear (4-ball), extreme pressure, and corrosion (bearing corrosion, copper corrosion, etc.)15. Additionally, NLGI offers optional “+” performance tags for greases that excel in specific extreme conditions: Water Resistance (HPM+WR), Saltwater Corrosion (HPM+CR), High Load (HPM+HL), and Low Temperature (HPM+LT)15. Table 1 summarizes these HPM tags. Grease formulators in North America are actively reformulating products to achieve HPM certifications, as a way to validate reliability improvements. For instance, a grease with an HPM+HL tag must not only meet the core spec but also pass rigorous load tests like enhanced 4-ball weld and SRV (oscillating friction) tests at higher thresholds. Achieving these marks signals to end-users that a grease is engineered for next-gen performance. In this way, NLGI’s certifications are both driving and reflecting the advances in grease formulation science.
By incorporating synthetic and bio-based oils, adopting alternative thickeners (like calcium and polyurea), and leveraging advanced additives, North American grease formulations are becoming more robust and versatile. These cutting-edge greases are designed not just to meet minimum standards, but to deliver reliable performance in the face of the most punishing conditions – as evidenced by their pursuit of HPM certification labels. The next section discusses how manufacturing processes are being improved to consistently produce these high-performance greases.
Innovations in grease chemistry must be matched by equally advanced manufacturing processes to ensure product quality and reliability. Grease manufacturing has traditionally been a batch-wise process, essentially a craft that relied heavily on operator experience to get consistent results. Today, however, manufacturers are implementing new technologies to tighten process control, improve consistency, and scale up production of next-gen greases. Two key areas of progress are continuous manufacturing methods and enhanced quality control techniques.
One transformative development is the adoption of continuous grease processing. In contrast to making grease in discrete batches (using open kettles or pressure vessels for saponification and then finishing), continuous processes run in a steady state, where reactants (base oil, fatty acids, alkali, etc.) are continuously fed and converted to thickener in a reactor, and grease is produced in a constant stream. Continuous process technology offers several advantages for reliability. For one, it yields much more uniform product quality. Process variables (temperature, pressure, mixing intensity) can be tightly controlled and held at optimal conditions, leading to consistent thickener formation and dispersion16. As a result, batch-to-batch variability in properties like penetration or drop point is minimized. NLGI notes that continuous operations produce “a more consistent product” than batch processes16. Moreover, continuous reactors (such as the STRATCO Contactor® or advanced plug-flow saponification units) often operate under higher pressure and temperature, completing the chemical reactions faster and more completely16. This reduces the risk of unreacted soap or variability that could affect grease stability. Figure 2 illustrates a comparison: to produce 20,000 lb of grease, a typical kettle batch might require 8–16 hours, whereas a continuous unit can produce the same amount in about 4 hours, with significantly lower energy input16. Notably, continuous processing can eliminate the need for excess water (used in batch saponification) – for instance, one study showed a batch process needing ~990 lb of water for a given recipe versus 0 lb in a continuous process – and cut required heating energy by ~30% (129 BTU/lb down to 90 BTU/lb) (Shown in Figure 2)16. Less water and lower heat stress in processing translate to a more stable grease (fewer unwanted by-products, less oxidation of oils during cooking). Additionally, continuous grease units are often skid-mounted and automated, requiring fewer operators and reducing human error16. Companies in North America have been investing in these technologies especially for high-volume production of multiuse and automotive greases, where consistency is paramount to meet specifications like NLGI GC-LB or HPM.
Even for those still using batch production, modernized kettles and improved mixing equipment are boosting reliability. Many plants have upgraded to closed, pressurized reaction vessels (like the aforementioned Contactor®) for making soap-based thickeners, which allow finer control of reaction temperature profiles and faster completion of saponification16. High-shear homogenizers and mills are employed during the finishing stage to achieve a uniform microstructure, breaking down any soap fiber agglomerates and thoroughly dispersing additives. The result is a grease with consistent texture and performance – important for avoiding issues like oil bleeding or inconsistent pumpability in service. Advanced process control systems now monitor critical parameters (e.g. viscosity, particle size, moisture content) in real-time. Some manufacturers have integrated in-line sensors (for consistency or metal debris) to ensure each batch meets quality specs before packaging. These technologies reduce the incidence of off-spec product and improve the overall reliability of the grease supplied to customers.
Quality assurance testing is also more rigorous and automated. Instead of periodic manual sampling, some plants use semi-automated setups for ASTM grease tests (penetration, dropping point, etc.) to quickly flag any deviation. Statistical process control (SPC) methods have been adopted to track production data and preemptively adjust processes, ensuring that the grease consistently hits its target NLGI grade and performance criteria. This level of control is especially vital when manufacturing high-performance greases that need to pass the tighter tolerances of NLGI’s HPM certification. For example, maintaining consistency in worked penetration after 100,000 strokes (an HPM requirement) demands very stable thickener structure – something achievable only if manufacturing conditions are precisely managed15. By using cutting-edge process technology, grease makers in North America are able to reliably produce greases that not only meet standard specs but also exhibit the uniform long-term behavior needed in critical applications (such as evenly resisting leakage, shear breakdown, or hardening over time).
Another emerging strategy is the use of modular and scalable production units, which allow manufacturers to respond quickly to new formulation developments. If a new additive or thickener requires a different process condition (say, a certain pressure or an inert atmosphere), modular reactors can be configured to accommodate this, speeding up the commercialization of innovative greases. We also see collaboration with equipment suppliers (e.g., ABB, STRATCO, etc.) to design grease plants that maximize reliability – including fail-safes to prevent contamination between batches, improved heating/cooling for optimal thickener formation, and even continuous degassing/filtration systems to remove entrained air or particulate that could affect grease performance. By improving how greases are made – from raw ingredient handling to final packaging – manufacturers reduce variability and enhance the reliability of the end product. In summary, advances in manufacturing technology ensure that the sophisticated grease formulations described earlier consistently deliver their intended performance, drum after drum. This manufacturing excellence underpins the ability of suppliers to guarantee NLGI-certified quality and meet the tough demands of next-generation applications.
The true test of grease reliability is in the field, where real-world conditions can push lubricants to their limits. Engineers are therefore tailoring greases to specific applications – especially those involving high performance or extreme environments – and developing new strategies to extend grease life under those conditions. In North America, key sectors driving application-specific grease innovation include automotive (particularly electric vehicles and high-speed machinery), industrial heavy equipment (mining, construction), energy (wind turbines, oil & gas), and food processing, among others. Below we highlight several extreme condition challenges and the innovative grease solutions addressing them:
• High Temperature Operation: Many modern machines run hotter than before, due to higher speeds, power densities, or environmental heat. Greases for steel mills, paper dryer bearings, or engine compartments must survive temperatures where conventional lithium greases would oxidize or carbonize. Innovations here center on thermal stable thickeners and oils. Polyurea and calcium sulfonate complex greases are increasingly used for high-temperature bearings because they can sustain operating temperatures of 150 °C or more (with dropping points well above 250 °C), far exceeding the limits of simple lithium soap. Calcium sulfonate greases, for example, maintain consistency and do not melt at high temperatures, which is why their usage has risen continuously in high-temp applications5. Likewise, specialty perfluoropolyether (PFPE)-based greases have been formulated for extreme heat (even 200–250 °C continuous) in critical applications like oven conveyers or aerospace, though these remain costly niche products. To bolster high-temperature reliability, new antioxidant additive packages are being deployed to slow down grease oxidation. Some greases incorporate nano-oxides or specialized polymeric additives that scavenge radicals at elevated temperatures, extending lubricant life. It is also worth noting the move towards lithium-complex and polyurea hybrids – by combining thickeners or adding complexing agents, formulators have created greases that exhibit the drop point of lithium complex (often >260 °C) with the oxidative stability of polyurea, yielding products that can lubricate over a wider thermal range than either alone13. For applications like electric motors in EVs, which have both high temperature and high speeds, polyurea greases are commonly chosen; newer formulations focus on low oil bleed and high thermal resistance to prevent any grease leakage onto motor windings.
• Extreme Loads and Pressures: Heavy-duty equipment in mining, construction, or agriculture imposes intense loads on lubricated pins, bushings, and bearings. Greases in these settings must resist film rupture and prevent wear or welding of metal surfaces under high pressure. The next generation of greases for extreme loads leverage advanced EP (Extreme Pressure) additives and inherently high-load thickeners. Traditional EP additives like sulfur-phosphorus compounds are now being supplemented (or partially replaced) by solid lubricants such as molybdenum disulfide (MoS₂), graphite, or newer particles. These solids plate out on metal surfaces to provide a sacrificial layer that prevents seizure when the grease film is under extreme stress. Some manufacturers have introduced greases containing micro-sized and nano-sized solid lubricants (e.g., nano-MoS₂ or graphite nanosheets) that can fill in asperities and further reduce friction. Laboratory tests confirm that adding WS₂ (tungsten disulfide) nanopowder to a calcium sulfonate grease significantly improved its weld load and reduced wear, indicating superior EP performance. A study has shown that adding 2 wt.% WS₂ nanoparticles to the grease formulation resulted in a 14.94% decrease in the friction coefficient and a 31.41% increase in the maximum nonseizure load (PB) compared to the base grease without WS₂. These improvements are attributed to the formation of a solid adsorption film and subsequent chemical reactions between WS₂ nanoparticles and the metal surface, leading to better load-bearing capacity and reduced metal-to-metal contact14. In North America, calcium sulfonate complex greases are particularly favored for high-load applications (such as mining haul trucks or heavy truck fifth-wheel plates) because the thickener itself has EP characteristics and excellent resistance to shear. NLGI’s HPM+HL tag specifically tests greases for these scenarios – requiring a higher 4-ball weld point and additional fretting wear protection15. Several grease products have already been introduced that proudly advertise meeting the HPM+HL standard, signaling they can handle shock loads and protect equipment better than traditional multipurpose greases. Additionally, tackifier additives (which increase stickiness) are being optimized to help greases stay in place under impact and centrifugal force, ensuring the lubricant film is not squeezed out of heavily loaded contacts. This is crucial in preventing conditions like false brinelling in large rolling bearings – an issue identified in wind turbine blade pitch bearings, where oscillatory motion tends to expel grease3. By formulating greases that stay put and maintain a protective film under extreme pressures, reliability in heavy-duty and shock-load environments is greatly enhanced.
• Water, Corrosion, and Harsh Environments: Greases often must operate in the presence of water, whether in marine equipment, off-shore wind turbines, or just outdoor machinery exposed to rain and mud. Water can cause grease to wash out or lose consistency and can induce corrosion of metal surfaces. To tackle this, modern greases emphasize water resistance and anti-corrosion properties. One strategy is using thickeners that are naturally hydrophobic and calcium-based. Calcium sulfonate complex greases are inherently excellent here – they can absorb some water without softening and even use water to further enhance their soap structure. They also contain calcium sulfonate, which doubles as a rust inhibitor. This is why the grease industry is “trending toward calcium” for applications requiring corrosion protection9. For instance, many food-processing and marine greases in North America have switched to calcium sulfonate formulations, sometimes referred to as “the next generation food machinery grease”, because of their water washout resistance and NSF food-grade additive compatibility17. New polymer additives (thickeners or gelling agents) are also being introduced to improve water tolerance. Some multipurpose greases now claim extremely low water washout percentages (<1–2% loss in ASTM D1264), far better than older greases, by using polymer fortifiers. Additionally, rust inhibitors have been refined: novel ashless corrosion inhibitors and even nano-sized corrosion inhibitors (e.g., ultra-fine calcium carbonate) help protect metal surfaces for longer periods. The HPM+WR and HPM+CR certifications directly target these attributes – requiring greases to exhibit minimal weight loss in water spray-off tests and to pass saltwater corrosion tests (like EMCOR with salt water) with no rust15. This is particularly relevant to off-shore wind turbines and coastal equipment. In fact, as of 2015, about 25% of the world’s wind turbines were installed in very cold climates, and a significant portion off-shore, underscoring the need for greases that can withstand both freezing temperatures and salty, wet conditions3. Manufacturers are delivering products for this niche, such as special wind turbine greases that remain pumpable at -40 °C and have outstanding salt-fog corrosion test results (often these are PAO-based, lithium/calcium complex blends with potent corrosion inhibitors). By focusing on water and corrosion resistance, these greases ensure reliability in environments that would rapidly degrade ordinary lubricants.
• Low Temperature and Long-Life Performance: At the other end of the spectrum, extreme cold poses its own challenges. Greases can stiffen at low temperatures, impeding machinery or causing lubricant starvation. Modern formulations for cold climates use low pour point base oils (synthetics like PAO or diester) and pour-point depressants to remain soft and pumpable. An example is aircraft or aerospace greases that must perform from -54°C onwards these often use synthetic oils with very low pour points and special thickeners (e.g., polyalphaolefin with clay or lithium complex) to ensure wide temperature capability. The HPM+LT classification pushes greases to pass stringent tests like low-temperature torque at -40 °C and flow pressure tests (per DIN 51805) at sub-zero temps15. Greases meeting HPM+LT give confidence that they will allow machinery to start up in an Arctic winter without bearing damage. Long-life is another critical application-driven requirement. In automotive and wind energy, there is a push for “filled-for-life” components that do not require re-greasing for many years. Achieving this means the grease must resist degradation over time — accomplished by a combination of synthetic base oils (for oxidation stability), robust antioxidants, and thickeners that do not tend to harden. For instance, electric vehicle driveline bearings are being filled with advanced greases designed to last the vehicle lifetime, often using PAO/ester blends and urea thickener with specialty antioxidant systems. NLGI has noted that “long life” is one of the performance areas targeted for new specifications, recognizing that current trends demand greases that can endure longer service intervals2. Some new greases boast two to three times the life of traditional greases in ASTM life tests or wheel bearing life tests, thanks to these formulation improvements. Additionally, to address electrical or micro-sparking conditions (as in EV motor bearings), certain greases include additives to mitigate electrical erosion or are formulated to be electrically insulating to prevent stray currents — an emerging niche requirement in high-speed electric motors.
Across these examples, a common theme is engineered solutions for specific stresses: whether it is temperature, load, moisture, or time. The innovations are often multi-faceted. For instance, a wind turbine grease must handle low temperature, high load, and corrosion all at once — leading to hybrid formulations that combine the best of several worlds (e.g., a calcium sulfonate complex thickener for corrosion and load, a PAO base oil for low temperature fluidity, fortified with polymers for adhesion). Collaboration between end-users (like OEMs) and grease developers is playing a big role in driving these innovations. North American equipment manufacturers frequently specify NLGI certification levels in their grease requirements. With the advent of HPM, we see specifications calling for “NLGI HPM+HL+LT” greases for all-season heavy machinery, for example, where previously a generic NLGI #2 EP grease might have been listed. This elevates the performance bar and pushes lubricant companies to innovate accordingly.
All these application-driven advances contribute to greater reliability: machines can run faster, hotter, and longer with less risk of lubricant failure. Bearings in a wind turbine can now potentially reach their 20-year design life without premature grease-related failure, and automotive components can be lubricated for life, even as vehicle technology evolves (such as the unique needs of EVs)3. By focusing on the specific challenges of each application and developing greases tailor-made to handle those extremes (and earning the appropriate NLGI performance tags along the way), the industry is significantly improving equipment uptime and reducing maintenance burdens.
North America’s grease industry is undergoing a dynamic transformation to meet the rising demands for reliability and performance. Through advanced formulations – from synthetic and bio-based base oils to innovative thickeners like calcium sulfonates and polyureas – grease products are becoming more robust and versatile, capable of outperforming legacy greases on multiple fronts (heat tolerance, load capacity, environmental safety, etc.). These formulation breakthroughs, backed by market trends such as the shift away from lithium due to supply pressures and the growth of sustainable lubricants, are shaping a new portfolio of high-performance greases9 7. In parallel, state-of-the-art manufacturing strategies ensure that this new generation of greases is produced with unprecedented consistency and quality control. Continuous processing and improved process automation are yielding greases with uniform properties, which is crucial for reliability when deployed in critical machinery16.
Perhaps most importantly, a keen focus on application-specific innovation means that greases are being engineered for the exact conditions they will face – whether it is the hub of a wind turbine at -30 °C, the fifth-wheel of a truck under heavy load and rain, or the sealed bearing of an EV motor running at 15,000 rpm. By pushing performance envelopes in targeted ways (and validating via new NLGI HPM certifications), the industry provides end-users with lubricants that inspire confidence. The NLGI’s introduction of the HPM core and auxiliary tags for water resistance, corrosion, load, and low temperature is both a response to and a catalyst for these advances2. Early adopters of HPM-certified greases in North America are already seeing benefits in extended equipment life and reduced downtime, illustrating the tangible value of these innovations.
In summary, the next generation of grease reliability in North America is being forged through a combination of cutting-edge chemistry, precision manufacturing, and application-centric design. These strategies, underpinned by rigorous certifications and data-driven validation, are enabling greases to meet challenges that were once considered beyond their reach. The result is lubricants that last longer, protect better, and perform consistently even in extreme conditions – delivering both economic and operational benefits to industries that rely on them. As machinery continues to evolve, the collaborative efforts of grease formulators, manufacturers, and standards organizations will ensure that lubrication technology keeps pace, securing the reliability of the moving world.
Dr. Raj Shah is a Director at Koehler Instrument Company in New York, where he has worked for the last 25 plus years. He is an elected Fellow by his peers at ASTM, IChemE, ASTM,AOCS, CMI, STLE, AIC, NLGI, INSTMC, Institute of Physics, The Energy Institute and The Royal Society of Chemistry. An ASTM Eagle award recipient, Dr. Shah recently coedited the bestseller, “Fuels and Lubricants handbook”, details of which are available at ASTM’s Long-awaited Fuels and Lubricants Handbook https://bit.ly/3u2e6GY
He earned his doctorate in Chemical Engineering from The Pennsylvania State University and is a Fellow from The Chartered Management Institute, London. Dr. Shah is also a Chartered Scientist with the Science Council, a Chartered Petroleum Engineer with the Energy Institute and a Chartered Engineer with the Engineering council, UK. Dr. Shah was recently granted the honorific of “Eminent engineer” with Tau beta Pi, the largest engineering society in the USA. He is on the Advisory board of directors at Farmingdale university (Mechanical Technology), Auburn Univ (Tribology), SUNY, Farmingdale, (Engineering Management) and State university of NY, Stony Brook (Chemical engineering/ Material Science and engineering). An Adjunct
Professor at the State University of New York, Stony Brook, in the Department of Material Science and Chemical Engineering, Raj also has over 700 publications and has been active in the energy industry for over 3 decades. More information on Raj can be found at https://shorturl.at/JDPZN
Contact: [email protected]
Ms. Joud Altalag is currently part of a sought after engineering internship program at Koehler Instrument company in Holtsville, NY and an engineering student at SUNY, Stony Brook.
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[20]. Wei, L., Hidel, R., & Blalock, J. (2019, May 24). Rheologically stable calcium sulfonate grease (RSCG) - A case study that leads to novel Calcium sulfonate and polyurea grease blends. A case study that leads to novel Calcium sulfonate and polyurea grease blends. https://www.nlgi.org/wp-content/uploads/2019/06/1907-Wei-Hidel-Blalock-.pdf
[21]. Zhang, H., Mo, Y., Liu, Q., Wang, J., & Li, Q. (2023). Optimization of the Tribological Performance and Service Life of Calcium Sulfonate Complex—Polyurea Grease Based on Unreplicated Saturated Factorial Design. Lubricants, 11(9), 377. https://doi.org/10.3390/lubricants11090377
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