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Difference between Flammable and Inflammable

Difference between Flammable and Inflammable

It is important to understand the difference between flammable and inflammable because they are often confused with one another. Flammable materials will ignite and burn when exposed to a flame or other heat source. Inflammable materials, on the other hand, will not ignite when exposed to heat but instead will melt. Understanding these differences can help you stay safe while working with different types of chemicals. For example, if you are working with a material that is classified as flammable, you need to take extra precautions to avoid ignition sources like sparks or open flames. If you are working with a material that is classified as inflammable, however, you can safely work near open flames without fear of igniting the material.

What is Flammable?

Flammable materials are those that can easily catch fire and burn. The word “flammable” comes from the Latin word “flamma,” which means “flame.” Flammable materials are often used in everyday products, such as aerosables, cleaning supplies, and personal care items. Flammability is measured by a material’s flashpoint, which is the temperature at which a substance can ignite and sustain combustion. Flammable materials have a flashpoint below 100 degrees Fahrenheit. Common flammable liquids include gasoline, alcohol, and oils. Flammable solids include wood and charcoal. Flammable gases include propane and methane. Flammability is an important consideration when handling and storing flammable materials. Improper handling can lead to fires or explosions.

What is Inflammable?

Inflammable refers to a material that is easily set on fire and burns quickly. The word “inflammable” comes from the Latin verb inflammable, which means “to set on fire.” Inflammable materials are distinguished from combustible materials, which burn more slowly and require a higher ignition temperature. Common examples of combustible materials include wood, paper, and coal, while common examples of inflammable materials include gasoline, natural gas, and propane. Although the words “flammable” and “inflammable” are often used interchangeably, they actually have different meanings. “Flammable” refers to a material that ignites easily and burns rapidly, while “inflammable” means that material is easily set on fire but does not necessarily burn quickly. In general, it is safest to use the word “flammable” when referring to materials that are easily ignited and burned.

Difference between Flammable and Inflammable

Flammable and inflammable are often used interchangeably, but there is actually a subtle difference between the two words. Flammable refers to something that is easily set on fire, while inflammable means something that is likely to catch fire. In other words, all flammable materials are inflammable, but not all inflammable materials are flammable. This distinction can be important when it comes to safety, as some materials may be more likely to catch fire in certain situations but may not actually be easy to ignite. For example, sawdust may be highly inflammable but not very flammable, while gasoline is both highly flammable and inflammable. Knowing the difference between these two terms can help you to better understand the risks associated with different materials and take the appropriate precautions to prevent fires.


The difference between flammable and inflammable is an important one to understand. It can be the difference between a small fire and an explosive disaster. With that in mind, it’s important to know which substances are which so you can take the necessary precautions. Make sure you share this information with your friends and family, too, so they can stay safe as well.

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