What does oil ash content mean?
1 Answers
Oil ash content refers to the inorganic matter obtained by calcining the residue of oil after carbonization under specified conditions, expressed as a percentage by weight. The ash content mainly consists of naphthenate compounds present in the oil. Below is a detailed introduction about automotive engine oil: Overview: Engine oil, also known as engine lubricant, is referred to as Engine-oil in English, with a density of approximately 0.91×10³ (kg/m³). It serves to lubricate and reduce friction in the engine, assist in cooling, seal against leaks, prevent rust and corrosion, and provide shock absorption. Composition: Engine oil consists of two parts: base oil and additives. The base oil is the main component of lubricating oil, determining its basic properties. Additives can compensate for and improve the deficiencies in the performance of the base oil, imparting certain new properties, making them an important part of lubricating oil.