What is the flash point of SAE 20 motor oil?

The flash point of a substance refers to the lowest temperature at which it can vaporize to form an ignitable mixture in air. For SAE 20 motor oil, the flash point is approximately 340 degrees Fahrenheit. This value is essential for firefighters and those working with flammable liquids, as it indicates the temperature at which the motor oil could ignite if exposed to an open flame or spark.

Understanding the flash point helps in assessing risks related to handling and storing this type of oil, especially in environments where fire hazards may exist. The higher the flash point, the safer the material is considered to be in terms of fire risk. The flash point of 340 degrees Fahrenheit falls within an appropriate range for many lubricating oils, ensuring that while they can perform under high temperatures, they also require careful handling to prevent accidental ignition.