How Flammable is Paint Thinner?

How Flammable is Paint Thinner

If you are an avid painter, you must be familiar with the various kinds of paints and thinners available in the retail market.

You have latex-based paints, wax-based, oil-based, and many others based on your needs.

A lot of house painters and DIYers prefer oil-based over any other kind of paint.

Paint thinner is specifically made oil-based paints and is used for various purposes like:

  • Cleaning paint stains from the surface
  • Keeping the paint from drying and cracking
  • Dissolving the paint and also reducing its thick consistency

Despite the popular use of paint thinner, it poses an enormous threat to those who are in constant contact with it.

It contains dangerous hydrocarbons that can cause irreparable damage to your respiratory and the nervous system.

Long exposure to paint thinners can also lead to lung inflammation, irregular cardiac activity, liver, or kidney failure, and in the worst scenario, it can even cause anemia or leukemia.

Yet, the biggest disadvantage of the paint thinner is its flammability.


How Flammable Is Paint Thinner?


There have been certain unfortunate incidents in the past involving paint thinners.

The fact is they comprise volatile hydrocarbons which makes them combustible, rather than extremely flammable.

The difference between flammable and combustible is that flammable objects catch fire easily, even at normal working temperatures.

Whereas combustible liquids tend to catch the fire at higher temperatures that are usually above working temperatures.

According to OSHA, a paint thinner is considered a category 3 flammable object with a flashpoint of range 73.4-140 F.

These categories are based on the flashpoint and boiling point of the material.

Since paint thinners are said to be flammable and tend to pose a danger to everyone these should be stored and handled with the utmost care.


10 Safety Tips While Working with Paint Thinners


Unless we get a better alternative, paint thinners, no matter how toxic and flammable, will still be a part of this industry.

So, it becomes our own responsibility to take proper care and precaution while working with paint thinners.

However, this won’t be hard to do with these 10 safety tips for the paint thinners:

1- Mix it With Paint Only

Paint thinners are highly reactive, and mixing them with something other than the paint can cause deadly reactions.

Hence it is recommended that you use these liquids only to mix/thin the paints (generally the oil based).

Also, make sure that you buy only a genuine product from a reliable paint store.

2- Make Use of Safety Equipment

The first step to protecting yourself from paint thinners is to make sure you wear safety equipment at all times.

You must wear safety goggles to protect your eyes from harmful fumes.

Respirators should be used to prevent the harmful and toxic elements from entering your system.

3- Don’t Work with Them in Closed Spaces

It is inadvisable to use paint thinners in closed spaces.

This is because they release toxic fumes and strong chemicals, and prolonged exposure can cause nausea, dizziness, and breathing problems.

Continuous exposure may also lead to lifelong health diseases and respiratory problems.

To prevent this, keep windows and doors open for more ventilation. In case that is not possible, you can try exhaust fans or similar appliances.

4- Provide First aid to the Affected Person

If you are working with someone and notice intense coughing or any of the aforementioned symptoms, ask for medical help immediately.

The part of your body that was in contact should be immediately washed with cold water.

Do not hesitate to seek medical help as negligence can cause more complications.

5- Keep Paint Thinner Away from Acidic Substances

Paint thinners comprise harmful hydrocarbons that are highly reactive and combustible.

If someone were to come in contact with any acidic substance, it will have a toxic reaction and release harmful gases that are detrimental to health.

6- Do not Eat on Premises

Paint thinners are known to release toxic gases and fumes.

Edible items might get infused with the toxins and gases and enter your bloodstream. This can cause irreparable damage to your digestive system.

If possible, avoid eating in the room where the paint thinners are used. If you wish to eat, make sure you’re a few meters away from that area.

Your hands can also be dangerous if they have been in contact with paint thinners. So, before you eat, wear clean latex gloves to avoid problems.

7- Do Not Take it Near Combustible Material

It is believed that a man once threw his cigar in a paint thinner vessel.

This caused a terrifying fire at the house and ended up destroying the entire structure.

Therefore, it is necessary to keep the paint thinner away from all the combustible materials as this can cause a huge explosion.

It may lead to unforeseen casualties and damage.

8- Do Not Use it as a Cleaning Substance

Paint thinners are also used for floor, counter, or wall cleaning.

It is important to note that paint thinners contain extremely toxic substances.

Cleaning the counters with it is like inviting trouble. It can cause an explosive fire because of its flammable nature.

Apart from that, it can also damage the surfaces as it is highly reactive.

9- Wash Thoroughly

Once you are done with using the paint thinner, look out for the remnants of it on your body or hands.

Wash them thoroughly with soap and cold water.

Not washing them properly may lead to infection through your mouth, eyes, or cause skin irritability.

10- Proper Storage

The last safety tip is to store the paint thinner properly.

Since it is highly reactive and flammable, loose containers can cause leaking of gases and also reactions.

Keep it somewhere inaccessible and far from the reach of children, pregnant women, or anyone who might be at a greater risk.

The bottom line

Paint thinners are considered to be dangerous due to its ability to catch fire fast.

The above are just some safety tips to help you out in a harmful situation.

However, if you wish for more eco-friendly alternatives like Bioshield Citrus thinner, Eco-solve, etc., they’re just a click away!

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