Is Engine Oil a Hazardous Substance?
1 Answers
Engine oil is not a hazardous substance. According to the national standard GB6944-2012 "Names and Numbers of Hazardous Goods and Products," common hazardous chemicals are classified into seven categories based on their primary hazardous characteristics: the first category is explosives; the second category is compressed gases and liquefied gases; the third category is flammable liquids; the fourth category is flammable solids, substances liable to spontaneous combustion, and substances emitting flammable gases when wet; the fifth category is oxidizing substances and organic peroxides; the sixth category is toxic substances; and the seventh category is corrosive substances. Engine oil, also known as engine lubricant, is composed of base oil and additives, with base oil being the main component of lubricants. Engine oil is used for lubricating internal combustion engines, with its primary functions being to reduce friction and wear on moving parts, remove sludge and varnish from the engine, neutralize acids produced by fuel and lubricant oxidation, improve piston ring sealing, and cool the engine by carrying away heat from moving parts. The roles of engine oil include: cooling and temperature reduction; sealing and leak prevention; cleaning; shock absorption; lubrication to reduce wear; rust and corrosion prevention; and component protection.
