Friday,

Common Flammable Materials and How to Use Them Safely

Fire safety isn’t just about big industrial hazards. It’s also about the everyday, seemingly safe stuff around us. From paper to cleaning products, flammable items are everywhere. Plus, they can quickly cause fires, especially when they’re not used or stored properly.

But how exactly do flammable materials work? What are the most common flammable items we use? How do we store them safely? 

In this article, we’ll walk you through common flammable materials, how they work, and how to store them safely to prevent fires. 

What Do You Mean by Flammable?

match lit up

Being flammable means the object can catch fire and burn quickly. In other words, it doesn’t take a lot of heat to ignite flammable items. 

Flammables can be solids, liquids, or gases, and they’re more common than you might think. Common examples include paper, rubbing alcohol, hairspray, fabric, and gasoline. What makes them flammable is how quickly they react when exposed to a heat source.

For instance, gasoline fumes can ignite with just a spark, while hairsprays have propellants that easily catch fire. Because of this, flammable materials need to be handled with care. 

Hence, knowing which products are flammable helps prevent accidents at home, at work, or during transport. It also reminds us to be careful around everyday items that could quickly turn into a fire hazard.

Most Common Flammable Materials

flammable liquid sign

We use many flammable materials every day, which makes knowing them more important. Here are some of the most common flammable materials: 

Flammable Liquids

  • Gasoline: This is highly flammable and usually stored at home or in industrial spaces for vehicles and equipment.
  • Solvents: Items like paint thinner, turpentine, and acetone (like in nail polish remover) are volatile and can easily ignite. 
  • Cleaning Products: Many cleaning products contain alcohol, ammonia, or acetone. They quickly evaporate and release flammable fumes.
  • Alcohols: Common examples include methanol and ethanol. They’re commonly used in labs & products and burn easily.

Flammable Gases

  • Propane and Butane: These gases are commonly used as fuel for grills, stoves, and heaters.
  • Methane: The main part of natural gas, which is widely used in homes.
  • Hydrogen: This gas is highly flammable and often used in industrial work.
  • Liquefied Petroleum Gas: LPG tanks contain pressurized, highly flammable gases. A tiny leak can start a Class B fire if exposed to sparks, open flames, or static electricity.

Flammable Solids and Dusts

  • Paper: Documents, magazines, receipts, and the like use paper. They’re found everywhere and are easy to ignite.
  • Fabrics: Fabrics like curtains, upholstery, and oily rags can start and spread fire quickly.
  • Lint: Lint is highly flammable and is a significant fire hazard once it builds up in dryer vents or lint traps

How to Store Flammable Materials Safely

yellow flammable sign

Storing flammable materials isn’t complicated, but it does take a bit of planning. Here’s how to safely store flammable materials:

1. Use the Right Container

Always store flammable liquids in approved containers or their original packaging. Tight lids prevent vapors from escaping. Then, clearly label them so everyone knows what’s inside. 

2. Choose a Safe Location

Pick a cool, dry, and well-ventilated space. Heat and poor airflow increase the chances of fire. Plus, avoid using high shelves where spills can spread quickly. If possible, keep flammables in a detached garage or shed, away from living areas.

3. Keep Heat Sources Away

Never place flammable items near stoves, heaters, or anything that sparks. Don’t store them with volatile materials like oxidizers, which can trigger explosions. If you’re storing a lot of flammables, grounding the area helps reduce the risk of fire.

4. Protect Kids and Pets

Flammable materials should always be out of reach of children and animals. Make sure they can’t be accessed by curious kids and pets. 

5. Have Fire Prevention Tools Nearby 

Install smoke detectors and sprinkler systems around your house or workplace. Keep fire sprays, fire blankets, and fire extinguishers near areas where flammable materials are stored. Plus, make sure your family members or employees know how to use them in case of an emergency.

Fire blankets and fire extinguishers are effective fire safety tools. However, there are differences that you should be aware of. 

For one, fire extinguishers are heavier than fire blankets. They also leave a mess, while fire blankets don’t. Plus, fire blankets are easier to use and don’t require training. Fire extinguishers are also harder to store since they are bulky. On the other hand, fire blankets can be hung on walls. 

hero XL fire blanket

Unlike fire extinguishers, Prepared Hero’s fire blanket doesn’t expire. You can reuse it as many times as you want as long as it’s not damaged. Plus, you can use it to save someone whose clothes caught on fire.

Here’s a table summarizing the differences between Prepared Hero’s fire blanket and a regular fire extinguisher:

Prepared Hero’s Fire Blanket Regular Fire Extinguisher
Lightweight, easy to carry Heavy, hard to carry
Affordable Expensive
Doesn’t expire Expires
Easy to store Needs more space for storage
Non-toxic Toxic
Doesn’t leave a mess Leaves a mess
Safe for kids and pets Not safe for kids and pets
Can be used on humans  Can’t be sprayed on humans

Don’t have the budget for a fire extinguisher? No problem!

While fire extinguishers help a lot, they can be expensive, heavy, and hard to store. The residue from the fire extinguisher may also be hard to clean up. 

hero fire spray

Use a fire spray if you want a more affordable, lightweight, and convenient way to put out a fire in seconds. The Hero Fire Spray will help you deal with minor fire accidents and stop them before they turn into bigger disasters. 

Plus, Prepared Hero’s fire spray is biodegradable and non-toxic. Unlike a fire extinguisher, you can safely use it around your family and pets. It’s also eco-friendly, so you’re taking part in saving the environment.

Here’s a table summarizing the differences between Prepared Hero’s fire spray and a regular fire extinguisher:

Prepared Hero’s Fire Spray Regular Fire Extinguisher
Lightweight, easy to carry Heavy, hard to carry
Affordable Expensive
Easy to store Needs more space for storage
100% biodegradable Mostly made of non-biodegradable materials
Non-toxic Toxic
Easy to clean Hard to clean
Safe for kids and pets Not safe for kids and pets

Do you want reliable, easy-to-use, and affordable tools to put out Class C fires? Check out Prepared Hero’s fire prevention tools here, and get up to 51% off on certain items. 

What Is the Difference Between Flammable and Combustible?

The main difference between flammable and combustible materials is how easily they catch fire. 

Flammable materials ignite quickly at lower temperatures. Their flash point is at or below 100°F (37.8°C). That means they can give off vapors that ignite even at room temperature. Gasoline and acetone are common examples. They’re volatile, so a small spark can set them off.

On the flip side, combustible materials have a flash point above 100°F (37.8°C). They don’t usually produce vapors that ignite under normal conditions. However, they can ignite if heated enough. Examples include diesel, motor oil, water-based hydraulic fluid, brake fluid, transmission fluid, vegetable oil, and wood. They may not catch fire as easily as flammables, but once they do, the fire can spread just as quickly.

In a gist, flammable materials burn faster and at lower temperatures, while combustible materials need more heat to burn. Both can cause fires, just in different ways. Knowing the difference helps you handle, store, and dispose of them more safely.

What Is the Difference Between Inflammable and Flammable?

books on fire

The terms flammable and inflammable mean the same thing. They both describe something that can easily catch fire. The difference isn’t in meaning but in how the words are understood.

The word inflammable came first, from the Latin word “inflammare”, which means “to set on fire.” Back then, the prefix “in” didn’t mean “not.” But in English, the prefix usually signals the opposite, like in “invisible” or “incomplete.” That’s where the confusion started. Many people thought inflammable meant the exact opposite of what it is. 

To clear things up, the word flammable became the preferred choice, especially in the 19th century. It’s clearer and leaves no room for misinterpretation. Safety industries and chemical labels now stick to flammable or non-flammable, so there’s no chance of misunderstanding.

Is Gas Flammable?

Many gases are flammable. Common examples include methane, propane, butane, hydrogen, ammonia, acetylene, and ethane. However, some gases are non-flammable. These include carbon dioxide, nitrogen, and oxygen. 

Other factors, such as vapor density and flammability limits, also play a role. For instance, vapors from gasoline are heavier than air. As a result, they can travel and ignite far from the source.

So, is gas flammable? Yes, but depending on the type. Propane and butane are flammable, while oxygen and carbon dioxide are not. 

Is Coke Flammable?

coal lit up

Coke, the product of heating coal, is not flammable. It is combustible. Plus, it’s made to be a smokeless fuel used in industry and heating. As a result, it ignites at high temperatures. 

However, fine coke dust is more dangerous. If suspended in the air at a high concentration, it can ignite and explode upon contact with a heat source. Due to this, specialists avoid creating and accumulating dust. They also keep it away from ignition sources like sparks, open flames, and extreme heat.

Is Alcohol Flammable?

Yes, alcohol is flammable, and that’s why you often see warnings on bottles of rubbing alcohol or cleaning products. Most common types, like ethanol, methanol, and isopropyl, have low flash points below 100°F (37.8°C). 

This means they can produce vapors that ignite easily at normal room temperatures. When people say alcohol is flammable, they’re talking about how quickly its vapors can catch fire with just a spark or open flame.

It’s also important to note that it’s not the liquid itself that burns. It’s the vapors released as alcohol evaporates. Since alcohol evaporates quickly, it can form explosive vapor-air mixtures indoors if there’s poor ventilation. An ignition source, like a flame, a hot surface, or even a static spark, is enough to set it off. Here are the most common alcohols and their flashpoints: 

Whether you’re using alcohol for cleaning, in labs, or cooking, use it carefully and keep it away from heat or sparks.

Is Water Flammable?

water in a cup

Water is not flammable. This means it cannot catch fire or burn. Chemically, water (H2O) is already in its most stable form. It’s created when hydrogen burns in oxygen, so there’s no extra energy left for it to release. In simple terms, it’s already burned out. That’s why water can’t act as a fuel for fire.

You can think of water like the ash of combustion. Just like ash from burnt wood can’t burn again, water is the leftover product after hydrogen reacts with oxygen. Since it’s stable, it doesn’t have the ability to keep reacting and producing more fire.

Instead of fueling flames, water is one of the most common fire extinguishers. It works by absorbing heat and smothering flames.  First, water can soak up a lot of heat, which cools down the burning material and lowers the fire’s temperature. Seconds, it pushes oxygen away from the fuel once it turns into steam. Without oxygen, fire can’t keep burning.

That’s why water is poured on fires in homes, kitchens, and outdoors. It cools things down and cuts off oxygen. While it’s not useful for every type of fire (like Class C and Class K fires), water itself isn’t flammable at all.

Are Paints Flammable?

Yes, many paints can be flammable, but it depends on the type. Oil-based paints and aerosol spray paints are the most risky. That’s because they contain flammable solvents and, in the case of aerosols, propellants like propane or butane. These ingredients can ignite easily. Plus, the fumes can cause fires in poorly ventilated spaces.

On the other hand, water-based paints, like latex and acrylic, are not flammable. Since they rely on water instead of solvents, they don’t catch fire the same way. Once they dry, they’re less of a hazard. That’s why water-based paints are often the safer choice, especially for indoor projects.

If you’re not sure about the paint you’re using, the best thing to do is check the Safety Data Sheet (SDS). This will tell you the paint’s flashpoint and whether it’s considered flammable. 

So yes, some paints are flammable. However, some are not. By knowing the type and handling them correctly, you can use them without worry.

Does Inflammable Mean Fireproof?

paper on fire

No, inflammable does not mean fireproof. It means the opposite. Something inflammable can catch fire easily. The confusion comes from the prefix “in.” In English, “in” usually means “not,” like in invisible. But in this case, it comes from a different root, the same one used in “inflame,” which means to set on fire.

Because of this mix-up, safety labels now mostly use “flammable” instead of “inflammable” to avoid accidents. So if you see “inflammable,” it means it can burn quickly.

Is a Candle Flammable?

Candle wax is not flammable in its solid or liquid state. It is combustible. When heated enough, the flame from the wick supplies the heat needed to melt the solid wax. That melted wax then travels up the wick, where it gets hotter and turns into vapor. It’s this vapor, not the solid or liquid wax, that burns and keeps the candle flame alive.

That’s why solid wax sitting at room temperature won’t catch fire on its own. It needs the heat from the wick to break down and sustain the flame. In other words, the vapors are flammable, not the solid or liquid wax itself.

So, treat a wax fire like a grease fire. Never pour water on it, because it can spread the flames. Keep candles at least a foot away from combustibles like curtains, books, or paper. In addition, always place them on stable surfaces to prevent them from tipping over and starting fires.

Is Cooking Oil Flammable?

cooking oil on fire

No, cooking oil is not flammable. It is combustible. It has a high flash point, which means it needs to get extremely hot before it can catch fire. The real danger happens when oil is overheated and starts releasing vapors. These vapors can ignite and cause what’s known as a grease fire. That’s why kitchen fires often start when oil is left unattended on the stove.

Different oils have different smoke points and flash points. The smoke point is when the oil starts to smoke, which is a warning sign that it’s getting close to the danger zone. The flash point is the temperature at which the vapors can actually catch fire. If oil goes beyond this point, the risk of fire is high.

If a cooking oil fire starts, never pour water on it. It will only make the flames spread. The safest approach is to turn off the heat, cover the pot with a fire blanket, and let it suffocate the grease fire. You can also use a Class K fire extinguisher against a grease fire

Is Perfume Flammable?

Yes, most perfumes are flammable because they’re made of alcohol, usually ethanol. Alcohol makes perfumes evaporate quickly and spread scent. But it also lowers their flash point, making it easy to ignite. That’s why perfumes should never be stored near heat sources or used while smoking.

The high alcohol content is the main reason perfumes burn so easily, while the added fragrance oils play a smaller role. Since most perfumes have a flash point around 16°C (60°F), they can catch fire at relatively low temperatures. 

Is Oxygen Flammable?

oxygen gas tank

Oxygen is not flammable, but it plays a huge role in making other things burn. Without oxygen, fire can’t exist, but oxygen alone doesn’t catch fire. It’s just part of the fire triangle or fire tetrahedron

When there’s more oxygen in the air than normal, fires become more dangerous. Materials that don’t usually burn easily can ignite, and flames spread faster and burn hotter. That’s why oxygen-enriched environments are considered high-risk.

So while oxygen isn’t the fuel, it’s the key ingredient that keeps a fire going. Too much oxygen can turn a small flame into a major fire quickly.

Is Sugar Flammable?

Yes, sugar is flammable, especially when in fine powder form. When heated enough, sugar can burn, which is why roasted marshmallows can suddenly burst into flames if held too close to a fire. That’s the sugar caramelizing and then igniting once it gets too hot.

The real danger comes when sugar is in the form of a fine, dry dust. In this state, it becomes much easier to ignite because the tiny particles have more surface area exposed to oxygen. If that dust mixes with air and meets a spark or flame, it can create what’s called a dust explosion. These explosions are powerful and dangerous, which is why sugar-processing plants and factories take strict precautions to control dust. 

While sugar in your kitchen is generally safe, it can still burn under the right conditions.

Is Salt Flammable?

salt with wooden spoon

Salt is not flammable, so you don’t have to worry about it catching fire in your kitchen. It’s a stable compound made of sodium and chlorine. Unlike elemental sodium, it doesn’t react violently. In fact, salt can help put out small kitchen fires because it absorbs heat and smothers the flames by cutting off oxygen.

One reason salt doesn’t burn is its stability. It already exists in a low-energy state, which means it can’t react further with oxygen to produce fire. On top of that, it has an extremely high melting point of about 801°C (1,473°F). Those temperatures are far beyond what you’d find in normal cooking.

Is Sand Flammable?

Sand is not flammable, which means it won’t catch fire or burn under normal conditions. It’s mostly made up of rock particles, like silicon dioxide, which are not flammable. Because of this, sand can help stop fires.

Sand doesn’t work as a fuel, so it simply won’t ignite. If you throw sand onto a fire, it covers the flames, cuts off oxygen, and helps smother it. That’s why you’ll often see buckets of sand kept near garages, workshops, or labs as a quick emergency option for putting out flames.

Another benefit of sand is that it’s very heat-resistant, which is why it’s also used in fireproofing materials and construction.

Is Glue Flammable?

white glue

Yes, many types of glue are flammable, especially those with liquid solvent bases. Super glue and similar adhesives can also release flammable gases when heated. However, some popular school glues are non-flammable and safe to use. Always check the product’s safety data sheet and keep glues away from open flames or high heat sources.

Is Petrol Flammable?

Yes, petrol or gasoline is extremely flammable. It burns and releases vapors that can ignite easily at low temperatures. That’s why petrol is such a fire hazard when not handled properly. The vapors are often more dangerous than the liquid itself because they can spread, mix with air, and catch fire if a spark or flame is nearby.

The main reason petrol is so flammable is its low flash point. This means it gives off enough vapor to ignite well below freezing. On top of that, it has high vapor pressure, so it constantly produces vapors. Since these vapors are heavier than air, they sink and collect in low spaces, where they can ignite unexpectedly.

Because of this, petrol should always be stored in proper containers, kept in well-ventilated areas, and handled carefully. Even a small spark, static electricity, or a cigarette nearby can trigger a fire or explosion.

Is Hairspray Flammable?

hairspray can

Yes, hairspray is flammable, especially when it’s in aerosol form. Many hairsprays use propellants like butane or propane, which are highly flammable gases. On top of that, most formulas also contain alcohol, another flammable ingredient. When sprayed, these chemicals create a fine mist that can ignite easily if it comes near heat, sparks, or open flames.

The danger isn’t just while spraying. It lasts until the hairspray completely dries. That’s why it’s crucial not to use hairspray around candles, lighters, or styling tools like curling irons and straighteners. Once dry, the risk is lower, but you still have to be careful.

Conclusion

Flammable materials are all around us. Knowing how they behave makes a big difference in staying safe. Some items catch fire easily, while others only burn under certain conditions.

By learning their risks and following safety rules, we can prevent accidents and keep everyday situations from turning into dangerous fire hazards. Stay safe, hero!