300–450 TBN calcium, barium, and magnesium sulphonates are being increasingly used in greases as a thickener, as they offer better water resistance, mechanical stability, extreme-pressure resistance, adequate-corrosion resistance, and anti-wear property. Additionally, the declining cost of these sulphonates, on account of improvement in manufacturing technology, has increased their preference over lithium sulphonates. Owing to the advantageous characteristics of the chemical, its usage has considerably amplified in steel, mining, and paper machinery.

The rapid shift to calcium sulphonate from lithium sulphonate in the production of grease-based products like automobile and industrial lubricants will drive the 300–450 TBN calcium, barium, and magnesium sulphonates market at 10.9% CAGR between 2020 and 2030. The market is expected to reach $231.2 million by 2030 from $73.5 million in 2019. Earlier, the manufacturing, marine, steel, automotive, and mining sectors used to prefer lithium sulphonate due to its low cost and highly pumpable features. However, stringent environmental legislations, in recent years, have shifted the focus toward calcium sulphonate.

In recent past, the automotive industry used the maximum quantity of barium, calcium, and magnesium sulphonates-based greases and lubricants. These lubricants and greases are used in electronic power steering, wheel bearings, ball joints, rolling bearings, chassis, mirror gears, universal joints, and suspension parts. Due to the strong emphasis on minimizing environmental deterioration, especially in developed economies, like the U.S. and Canada, the utilization of eco-friendly metallic sulphonates is rising. Additionally, the industrial and marine sectors also use 300–450 TBN calcium, barium, and magnesium sulphonates in substantial amounts.

The type segment of the 300–450 TBN calcium, barium, and magnesium sulphonates market is categorized into calcium sulphonate, barium sulphonate, and magnesium sulphonate. In the coming years, the calcium sulphonate category is expected to hold the largest share, due to its ability to offer rust resistance to circulating oils, industrial lubricants, and hydraulic fluids. Moreover, its hydrolytic stability, demulsibility, and wet filterability properties will also boost its demand during the foreseeable period. Further, the chemical also offers corrosion resistance to greases, stability under extreme pressure, better-thickening ability, and high-load-bearing ability.

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According to P&S Intelligence, Asia-Pacific (APAC) consumed the highest quantity of 300–450 TBN calcium, barium, and magnesium sulphonates in 2019 and it is expected to be the largest consumer in the foreseeable future, globally. This can be ascribed to the rapid industrialization in India and China, owing to the increasing urbanization and economic growth. The oxidation protection and corrosion resistance features of this chemical have resulted in its high-volume consumption in industries producing items with high amounts of sulphonates of calcium, barium, and magnesium.

Thus, the various advantageous properties of calcium, magnesium, and barium sulphonates are the prime reason behind their increasing applications in the automotive, marine, and manufacturing industries.