At present, a new round of scientific and technological revolution and industrial change are advancing by leaps and bounds, and the world is experiencing a new round of great development, great change and great adjustment. Under the curtain of China's commitment to the goal of "double carbon", low carbon and energy conservation have also become an inevitable trend of high-quality development of the manufacturing industry. How industrial enterprises can reduce carbon while reducing costs and increasing efficiency, turn challenges into opportunities, and achieve flexible, efficient production and sustainable development have become the focus of their survival and competition. In this context, the demand for high-performance greases in wind power, steel, mining, construction machinery, general manufacturing, automotive, aviation and marine industries continues to rise.
Focus on green development,
Demand for high-performance grease applications is rising
China is a big producer and consumer of grease. According to the data of LubTop Big Data Research Center, since 2006, China's grease production has continued to increase, showing a fluctuating development, and China's grease production in 2019 was 432,700 tons, an increase of 13.09% over 382,600 tons in 2018. China's grease production in 2020 is 430,000 tons; from the perspective of consumption, the apparent demand for grease in China in 2019 is 437,000 tons, 436,000 tons in 2020, and it is predicted that it will remain at about 438,000 tons in 2021.
ExxonMobil Chemical data shows that mineral base oils account for about 90% of the grease market, while synthetic base oils currently account for only 3.5%. But since 2010, the latter has grown 6 percent to meet the growing demand for higher performance. Synthetic greases provide better performance over a wider temperature range than mineral oil greases for higher operating speeds, loads and power densities, as well as remote equipment that require longer service life.
Therefore, it is expected that in the next three years, in a more complex application environment, the production and demand of synthetic grease will remain stable and progressive, and the advantages of synthetic base oils in improving fuel economy, energy efficiency and equipment reliability and stability will further promote the steady growth of their demand.
New standards force new technologies,
Premium synthetic base oils help with formulation upgrades
The National Lubricating Grease Institute (NLGI) announced its latest High-Performance Multiuse certification standard, which will modernize existing standards and provide a wider range of uses. Compared to the traditional GC-LB certification standard, the HPM standard is not only suitable for the automotive sector, but also for all applications in the industrial sector, from pumps to conveyor belts.
The HPM Core Specification introduces several new tests, including:
Oxidation stability of greases by the oxygen pressure vessel method (ASTM D942).
Low temperature torque of ball bearing grease (ASTM D1478)
Use the conical sieve method (ASTM D6184) to separate the oil from the grease
Rolling stability of greases using 1/2 scale permeability (ASTM D1831).
Emcor test for determining the corrosion protection of greases under dynamic wet conditions (ASTM D6138)
Detecting Corrosion of Copper by Greases (ASTM D4048)
The standard will also be upgraded over time, and the new grease certified HPM standard trademark and the existing GC-LB standard trademark can be used at the same time.
New standards force new technologies and new recipes. Industry insiders said that today, high-performance grease products have become an important area for lubricant production suppliers to reflect their product performance and differentiation, and the HPM certification mark will also become the authoritative mark of high-performance grease. China Lubricating Oil Information Network industry survey shows that at present, most of the domestic grease production suppliers attach great importance to NLGI certification standards, industry users also have a positive attitude towards the new standard HPM, and more and more industry people continue to improve their awareness and recognition of synthetic base oil products and applications.
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So, what kind of synthetic base oil products can really help formulators better meet the challenge? According to our first-hand knowledge, ExxonMobil Chemical, as the world's leading technical expert, innovates synthetic base oil formulations that help grease production suppliers formulate high-performance finished greases that better meet the American Society of Grease (NLGI) GC-LB certification standards and new High Performance Multipurpose (HPM) grease specifications.
These include the new generation of SpectraSyn Elite metallocene poly α olefins (mPAO) and Synesstic alkylnaphthalene (AN). Compared to mineral oils found in industrial and automotive greases, SpectraSyn Elite mPAO offers:
√ Higher viscosity index (VI)
√ stronger oil film thickness
√ Better high temperature performance
√ Better oxidation stability
√ better low temperature flow and low temperature bearing torque requirements
Synesstic alkylnaphthalene, on the other hand, has:
- Excellent thermal oxidation stability for longer lubricating oil life
- Excellent hydrolytic stability for use in high humidity working environments
- Better seal compatibility
- Better additive effectiveness as an alternative to synthetic esters
Click to enlarge the chart
It is worth noting that mPAO greases have better high and low temperature characteristics than mineral oils, which better meet the new tests introduced by the HPM core specification. From the experimental data that ExxonMobil Chemical has not officially disclosed to the public, in the bearing high temperature life test, the use of mPAO, and ethylene propylene copolymer can also contribute to the overall stability of the grease product at a higher NLGI level, thereby helping to improve the high temperature resistance characteristics and extend the bearing life.
At the same time, the use of mPAO can obtain better low-temperature torque performance, in the formulation recommendation can be further adjusted by the consistency and the use of ethylene and propylene copolymer, to meet the user's needs of low temperature performance, effectively help the formula designer to improve and modify the formula, so that the finished grease in meeting the new grease certification HPM standard more advantages, in order to cope with new challenges, new changes.
To be sure, the demand for high-performance lubricant products will remain steadily rising over the next three to five years. For China's lubricant industry, the pace of transformation to a low-carbon economy, technological progress and intensive growth development mode is also accelerating. Let us all look forward to the support of ExxonMobil Chemical's innovative synthetic base oil product solutions, more industry partners based on local market demand, innovative product technology formulas, develop innovative lubricants that meet more challenging needs and demanding standards, seize the opportunity of green development, and empower a better future!
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