Engine oil is a lubricant used in internal combustion engines, which power most of the vehicles around us. It is an essential part of a vehicle as it helps keep the engine running smoothly. This in turn extends the life span of the parts in the engine by reducing friction and reducing the wear of these parts. But are engine oils flammable? This is a question that many motor enthusiasts and car owners have.
Answering the question straightaway, engine oil is not flammable. Now, that doesn’t mean that it can’t catch fire. If you were to pour a gallon of oil on a raging fire, it would certainly catch fire. However, engine oil has a very high flash point, which is the temperature at which it will ignite. The flash point of gasoline is around -45°F (-42.78°C), while the flash point of engine oil is around 500°F (260°C). So, while engine oil is not flammable, it is still important to be careful with it around open flames. And, if you do happen to spill some oil on your clothes, be sure to wash them before wearing them again.
We think we probably answered your question by now, but if you want to know more about engine oils and how they help the engine run smoothly, read on. We’ll also discuss the different types of engine oils, and their pros and cons.
What are Engine Oils?
As we explained before, engine oil is a lubricant used to keep engines working smoothly. The main function of engine oil is to lubricate the moving parts within an engine, which helps to prevent metal-on-metal contact and wear. Engine oil also helps to cool the engine by absorbing heat, and it helps to clean the engine by suspending dirt and debris.
Conventional engine oils are usually made from petroleum-based products and are the most common type of engine oil used today. However, new synthetic engine oils are designed to provide better protection and performance than conventional oils. Then there are blended engine oils also known as semi-synthetic oils which contain a mix of both synthetic and conventional oils. Let’s dive a bit deeper into how these oils are different from one another.
Conventional Engine Oils
Conventional oils are made from mineral crude oil that is distilled and then refined. The process of refining removes impurities from the oil, but it also removes some of the naturally occurring compounds that give the oil its performance properties. To compensate for this, conventional oils are then “re-additized” with a carefully balanced combination of additives.
These oils are designed to protect your engine from wear and tear, and they also help to keep it clean. Conventional oils can be used in both new and old engines, and they typically don’t cost as much as synthetic oils.
Synthetic Engine Oils
Synthetic oils are also made from mineral crude oil, but they undergo an additional process called “polymerization” that creates larger, more uniform molecules. The larger molecules in synthetic oils provide better protection for engine parts and resist breakdown under high temperatures better than the smaller molecules in conventional oils. Synthetic oils can be used in both new and old engines, and they typically cost more than conventional oils.
Semi-Synthetic Engine Oils
Semi-synthetic engine oils are made from a blend of crude oil and man-made chemicals. It offers some of the benefits of both types of oil, but is not as long-lasting or as effective at protecting engine components as synthetic oil.
Why Are Engine Oils Less Volatile Than Flammable Liquids?
When it comes to fires, the volatility of a liquid is one of the key factors in how easily it will ignite and how quickly it will burn. In general, engine oils are less volatile than flammable liquids, which means they are less likely to catch fire and will burn more slowly if they do.
There are a few reasons why engine oils are less volatile than flammable liquids. One is that these oils have a higher boiling point, which means they need to be heated to a higher temperature before they will vaporize. This higher boiling point makes it more difficult for them to reach the temperature at which they will ignite.
Another reason is that engine oils are denser than flammable liquids, so their molecules are closer together. This means that it takes more energy to vaporize an engine oil than it does to vaporize a flammable liquid. When a liquid is vaporized, the molecules spread out, which makes it easier for them to catch fire.
Lastly, engine oils tend to have a higher flash point, which is the temperature at which they will ignite partially. Flammable liquids will often ignite at much lower temperatures, making them more dangerous.
While engine oils are less volatile than flammable liquids, they can still pose a fire hazard if they are not stored or used properly. It is important to keep them away from heat sources and to make sure they are properly extinguished if they catch fire.
To Conclude
You now know that there are different types of engine oils available on the market and choosing the right engine oil for your car is important for keeping your engine running smoothly and efficiently. However, the type of oil that is best for your engine depends on the make and model of your vehicle. Many carmakers have specific recommendations for the type of oil that should be used in their vehicles. Hence it’s best to take a look at your car’s owner’s manual or consult a qualified automotive technician to find out what type of oil is best for your car.
There are a few things you should know about engine oil and its flammability. In the event of a fire, be sure to evacuate the area and call 911. If you can put out the fire yourself, do so. Also, be sure to follow these safety tips for handling and disposing of flammable liquids: use appropriate containers, store liquids away from heat and sparks, and dispose of liquid safely.