Super glue is a popular adhesive used in almost all works of life, such that hardly will you storm into any supermarket out there without spotting a super glue.
However, is super glue indeed safe to use and not flammable? Let’s discover!
What Is Super Glue?
Now, let’s inspect what super glue is all about. Shall we?
Super glue is a sharp adhesive made from cyanoacrylates and other similar compounds. Meanwhile, cyanoacrylates are powerful, fast-bonding polymers with many uses.
Cyanoacrylates are obtained from “ethyl cyanoacrylates.” These compounds work by forming strong and long-chain polymers readily in the presence of water. Super glue contains methyl 2-cyanoacrylate—a special type of cyanoacrylate.
The methyl 2-cyanoacrylate accounts for super glue flammability and toxicity.
Is Super Glue Flammable?
Yes, super glue is flammable, primarily because of its components. Often, water-based glues are not flammable. But they can ignite if exposed to naked fire or high temperature.
Meanwhile, special glues or strong adhesives like super glue (cyanoacrylate), rubber cement, spray adhesives, and model glue are highly flammable. Super glue gives off fumes when the chemicals in it react. As a result, super glue burns in its liquid state.
Plus, all forms of super glues are flammable because they do not contain a water base. Also, the curing of super glue gives rise to an exothermic reaction. Such that when dry, super glue generates heat. And even a drop of superglue can make materials like cotton attract flames readily.
Thus, it would be best if you handled super glue with extreme care when applying it to any material. Just as this amazing adhesive helps to bind your torn leathers, papers, shoes, etc., together, it can also be dangerous when it catches fire. So, always be on alert.
What Happens When You Heat Super Glue?
One of the biggest hazards of super glue is inhaling its fumes. It’s a bad idea to heat or burn super glue. When heated, super glue emits a nasty smoke.
Breathing in this smoke can irritate your mucous membranes. If this situation persists, you can encounter trouble breathing or even sustain brain damage.
Here are some symptoms that show you’ve inhaled super glue fumes. Check them out:
- Respiratory failure.
- The chemical smell in breaths.
- Dizziness and nausea.
- Headaches and stomachaches.
- Irrational behaviors
- Hearing loss.
- Rashes around the nose and mouth.
- Inability to concentrate.
- Loss of consciousness.
- Mood swings and many more.
Moreso, inhaling super glue for a long time can reduce the amount of oxygen that enters the lungs. This can cause suffocation and threaten your life. Breathing in super glue can damage the “myelin sheath—a thin covering around the nerve fiber of the brain.”
Once the myelin sheath becomes damaged, the brain will suffer from serious neurological conditions. Note that hot super glues can also trigger serious fire explosions in the presence of some fuel or sparks.
Can Super Glue Withstand Heat?
Although super glue can withstand high ambient temperatures. However, at a temperature above 100°C or 212°F, super glue will flare up. This is one reason boiling water dissolves super glue.
Hence, there is a limit to super glue’s heat resistance which is why it should not be exposed to relatively high temperatures. So, the short answer is yes, super glue can withstand heat but to a fault.
Is Super Glue Flammable When Dry?
Super glue usually comes in liquid form. So, most of its users believe it only ignites in the liquid form, which is not valid. The settling or drying process of super glue is an exothermic reaction.
That said, an exothermic reaction is always accompanied by the release of heat. Hence, while drying, super glue evolves a great deal of heat. Such that not only would it be able to catch fire, but it can also set itself on fire.
Is Gorilla Super Glue Flammable?
Yes, gorilla super glue is flammable. There are a few types of superglue. Gorilla bond is just one of those few forms of super glue.
Gorilla super glue is an extremely flammable liquid that should be used only in a well-ventilated environment. Also, you should never smoke or start a fire anywhere near a gorilla super glue. These measures should be observed to prevent this highly combustible adhesive from catching fire.
Unlike most super glues, gorilla super glue will not attract flames once dried (passed through the curing process). This is because most of its flammable compositions evaporate when it dries. But, even though dry Gorilla super glue has lost its flammability quality because of being dry, it can still burn.
Are All Glues Flammable?
No, not all glues are flammable. There are different glues, each with its specific function. Glues become flammable or catch fire based on fumes they produce when heated and their water content.
However, don’t get the concept wrong. That some glues are not flammable does not mean they won’t burn. So far, the non-flammable glues include wood glue, PVA glue (plastic glue), school glue, and many others.
Wood glue emits extremely small fumes. Thus, it is safe to use even in poorly ventilated rooms but its fumes can be toxic. PVA glue does not give any fumes while school glue is water-based glue that puts out the fire instead.
Perhaps you’re still wondering if that pack of superglue you just bought can indeed put you at risk of a fire outbreak. Then we’ve done the hard job for you!
In this article, we’ve highlighted all the noteworthy details you need to know about super glue. And of course, just like you’ve thought, super glue is flammable. Therefore, to successfully escape the dangers that super glue can cause, study its label well to know what kind of glue it is.
If it is a glue stick or plastic glue, you’re safe. But you can never know with other types of glue, right? Thus, visit here to learn more about how to handle many super glues.