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ZDDP Additives: Description
· Zinc Dialkyl Dithiophosphate (ZDDP) is a compound developed in 1940s and since then it has been widely used antiwear additive in automotive engine oil and industrial lubrication. It is highly regarded as the most cost effective antiwear additive being used to prevent surface microwelding and subsequent wear & tear in case of metal to metal contact situation.
· ZDDP additives are generally used along with dispersants, detergents, pour point depressants, viscosity index improvers and additional organic oxidants. For instance, in automotive gear oil, ZDDP additive are used at 1.5-4% in combination with other additives such as sulfurized olefins, corrosion inhibitors, demulsifiers and detergents.
· ZDDP additives on account of their high thermal & hydrolytic stability and excellent antiwear characteristics are widely used in extreme pressure applications such as metalworking fluids, engine & gear oil and greases.
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What is the Key Product Categories of Global ZDDP Additives Market?
· ZDDP additives have dialkyl moieties and depending upon the alcohol group used, they are classified as primary alkyl ZDDP and secondary alkyl ZDDP.
· The relative effectiveness of ZDDP as an antiwear agent and its thermal and hydrolytic stability depends upon the alcohol used during its preparation. Primary alkyl ZDDP offers better thermal stability but are less effective in terms of antiwear protection and hydrolytic stability.
· Whereas, secondary alkyl ZDDP provides better hydrolytic stability and are effective antiwear agents. On account of these properties, secondary alkyl ZDDP, dominated the market accounting for more than half of the revenue market share in 2018.
· Secondary alkyl ZDDP, due to its low thermal stability resulting in quick film formation under high loads are preferred choice for extreme pressure applications. However, primary alkyl ZDDP because of its better thermal stability are used in hydraulic fluids as an antioxidant and antiwear agents.
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What are Key Drivers for Global ZDDP Additives Market?
· ZDDP additive is widely used in automotive sector in all the engine oils. The segment dominated the market accounting for more than 80% of the revenue market share in 2018. This can be ascribed to the multifunctional characteristics of ZDDP. For instance, it is employed as an anti-wear agent, mild extreme pressure agent, and oxidation and corrosion inhibitor.
· ZDDP operates under mixed lubrication conditions with a thin oil film separating the metal parts in automotive applications such as engine and components. Surface asperities intermittently penetrate the liquid film, giving rise to metal-to-metal contact.
· The ZDDP compound reacts with these asperities to reduce the contact. When the load is high enough to collapse the oil film, ZDDP reacts with the entire metal surface to prevent metal-to-metal contact reducing wear, hence prolonging the engine and component life.
· In industrial segment, industrial gear oil formulators have shifted towards ashless systems incorporating sulphur-phosphorous based extreme pressure antiwear chemistries. Hence the industrial sector only accounted for marginal market share and is expected to grow at a modest CAGR during the forecast period.
Asia Pacific to Dominate Global ZDDP Additives Market
· In terms of regional demand, Asia Pacific was the dominant region accounting for approximately 45% of the revenue market share in 2018. This is primarily ascribed to the increase in motor vehicle output, strong demand for aftermarket lubricants, and expansion in the manufacturing sector in the emerging countries such as China and India. In terms of country level, China is the largest producer and consumer of ZDDP additives in the word.
· The country held significant share of the ZDDP additives market in Asia Pacific in 2018. Rise in disposable income in countries such as China and India has boosted the demand for automobiles. This, in turn is expected to propel the consumption of ZDDP additives.
· North America and Europe are mature markets for ZDDP additives due to the implementation of stringent emission norms on the phosphorous level of ZDDP. In Europe, ZDDP additives are used in combination with sulfurized olefins to replace chlorinated parafins in medium to heavy duty metalworking fluids.
· The major OEM and oil companies are evaluating the permissible phosphorous level to meet the GF-5 standards across the region which will require engine oils to have minimal impact on emission system deterioration.
· This is expected to negatively impact the demand for ZDDP additives in the region. In the U.S. the use of ZDDP in metalworking fluids is limited due to environmental concern as U.S. EPA agency classifies these as marine pollutants.
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