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202512-31Functions of Lubricating OilOnly a portion of the heat generated by fuel combustion is used for power output, overcoming friction, and driving auxiliary components. The remaining heat is dissipated partly through exhaust gases and partly via the engine cooling system. Lubricating oil also absorbs heat from cylinders, pistons, crankshafts, and other surfaces, carrying it to the oil pan for dissipation—preventing engine overheating and damage. -
202507-15Production Processes of Lubricant Base OilsWith increasingly stringent environmental regulations and advances in machinery industries—especially the automotive sector—higher performance is required from lubricants. To produce such high-performance lubricants, particularly wide-span multigrade engine oils, base oils must exhibit low volatility and high viscosity index (VI > 120) with saturation levels above 90%. API Group III base oils, consisting mainly of isoparaffins, meet these requirements. -
202407-25Basic Composition of Lubricating GreaseOther additives are similar to those used in lubricating oils, such as antioxidants, anti-wear agents, and rust inhibitors, though they are often used in higher proportions in greases. Examples include phosphate esters, ZDDP, Elco extreme pressure additives, composite additives, and dropping point improvers. Additionally, fillers like graphite, molybdenum disulfide, or carbon black may be incorporated to improve adhesion, enhance load-carrying capacity, and reinforce lubrication performance. -
202307-20Functions of Lubricating GreaseGrease works by using a thickener to hold the oil in place at the lubrication point. Under load or pressure, the thickener releases the oil to provide lubrication. At room temperature and under static conditions, grease behaves like a solid—maintaining its shape without flowing and adhering firmly to metal surfaces. Under high temperatures or when subjected to forces beyond a certain threshold, it flows like a liquid.
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