What does hot glue not stick to

Hot glue is a popular adhesive used for many projects, including DIY and craft projects, paper art and craft, home improvements, and renovations. It is easy to utilize, quick drying and can be utilized on many surfaces. Heated glue is likewise a practical cement, making it a well-known decision for some individuals.

However, despite its numerous advantages, hot glue is inappropriate for every surface and cannot adhere to some materials. The surface texture, temperature, and the hot glue’s age and condition can also influence its adhesion.

How to Use a Glue Gun?

Utilizing a craft glue weapon could appear clear: plug it in, let it heat up, and get to sticking. Indeed, if you maintain that your venture should turn out exactly how you envisioned, there may be more to it. The following are a couple of essential hints and deceives that will make your craft glue firearm creation all that it may be!

Give your paste 10 minutes to heat up. This time will permit the paste to be softened entirely before you start working with it and keep you from pushing paste through the firearm’s tip before it’s prepared (which could mean the paste won’t hold). Your paste will be more grounded, and your lines will be crisper.

Putting away your paste in a warm or damp region might cause stick sticks to be tacky when you work with them. To prevent this, some crafters suggest freezing glue sticks.

One more method for forestalling tacky paste? Keep the tip of the paste firearm clean! You should be able to easily remove any strings once the glue has dried and the gun has cooled.

Pay close attention to your glue guns’ temperature settings if you use hot glue on delicate materials. Lower temperatures will make areas of strength for things like trim and nylon while ideally forestalling, consuming, and softening.

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Surfaces on which hot glue does not stick to:


Metal is a typical material that craft glue basically can’t adhere to. This is because metal surfaces are normally excessively smooth and don’t give sufficient hold to the heated glue to stick. It is difficult for the hot glue to adhere to the surface because it lacks texture.

Moreover, metal surfaces might be excessively cold for the heated glue to bond appropriately. It is ideal to avoid using craft glue on metal surfaces or consider elective types of cement explicitly intended for metal. to know more hot glue usage on metal read this article written by me.


Silicone is one more material that craft glue can’t adhere to. Silicone is an engineered material known for its smooth, non-stick properties. It is difficult for hot glue to adhere to the surface because of the material’s smoothness.

Furthermore, silicone is an adaptable material that might make the craft glue stretch and become deformed when applied. Hot glue should not be used on silicone surfaces, and alternative adhesives made for silicone should be considered to avoid these problems.


Vinyl is one more material that heated glue can’t adhere to. Vinyl is a manufactured material known for its smooth, non-stick properties. It is difficult for hot glue to adhere to the surface because of the material’s smoothness.

Furthermore, vinyl is an adaptable material that might make the heated glue stretch and become deformed when applied. Avoid using hot glue on vinyl surfaces or look into other adhesives made for vinyl specifically to avoid these problems.


Wax is one more material that heated glue can’t adhere to. Wax is a non-stick material usually utilized for different purposes, including as a surface protectant. The non-stick properties of wax keep heated glue from adhering to the surface. To avoid this issue, it is ideal to try not to utilize craft glue on wax surfaces or consider elective cements that are explicitly intended for wax.

Oily and Wet Surfaces

Heated glue won’t adhere to surfaces shrouded in oil or wet, as the oil or water will keep the paste from sticking appropriately. The presence of oil or water can make the craft glue slide around on a superficial level, making it hard to accomplish significant areas of strength.

Moreover, the craft glue may not fix as expected when applied to an oily or wet surface. To stay away from these issues, it is ideal for cleaning the surface entirely before applying craft glue or to consider elective cements that are explicitly intended for oily or wet surfaces.

Heated glue is a flexible cement that is ordinarily utilized for various ventures. Nonetheless, craft glue doesn’t adhere to each surface, and a few materials can’t stick to it.

A portion of the surfaces that heated glue doesn’t adhere to incorporate metal, silicone, vinyl, wax, and oily or wet surfaces. Selecting a porous surface that will permit the glue to adhere properly when selecting a surface for a hot glue project is essential.

does hot glue work on wood surfaces: find out in this answer

At what surface is hot glue more ideal?

Heated glue can be great for harsher or more porous surfaces since the paste will want to fill little holes and cling to the surfaces all the more successfully as it hardens.

Its adequacy can likewise rely upon the nature of the heated glue you use. For instance, Thermobond hot melt adhesives are versatile and highly resistant to various environmental factors.

Notwithstanding, it might make your texture harsher. Furthermore, not many textures will respond to various pastes the same way.

In some cases, hot melt adhesives can also be very effective. The two kinds of paste can be consolidated for solid wood joints.

How Strong Is Hot Glue?

The temperature of your hot glue and the surface it is applied to determine its strength. By and large, heated glue’s bond areas of strength are long-lasting, yet everything relies upon the temperature of the paste and the surface you’re applying it to.

You must ensure your surface is spotless, dry, and porous for the best craft glue results. Clean with scouring liquor and, if conceivable, score the surface by adding minuscule scratches/slices to make more space for the paste to get into.

The bond is typically stronger the hotter the glue, but this is not always true. You would rather not liquefy or consume your materials. Investigate your paste firearm’s capacities and suggested temperature while choosing whether craft glue suits your venture.

Factors affecting hot glue strength

Temperature and weight are the two most significant outer elements to consider while utilizing heated glue.

Heated glue isn’t ideal in exceptionally high-intensity or cold conditions, particularly since craft glue can break in a chilly climate. It may be worthwhile to check this breaking temperature before use because it can vary depending on the hot glue you are working with.

A silicone sealant might be more sturdy in chilly temperatures, but you should remember that it will take longer to fix.

Craft glue is seldom utilized for high-strength applications. The material and glue used will determine the exact weight it can support.

Final words

Hot glue is referred to as hot melt adhesives, or simply “hot melt” for short. This is the term that is typically utilized in industrial settings. To be sure, what you cannot deny is that heated glue has a lot bigger number of purposes than creating projects. Numerous businesses utilize hot liquefy as an assembling and get-together cycle feature.

In modern settings, you are doing significantly more than staying texture together. Modern heated glue is utilized for a wide range of and here and there accuracy occupations for different businesses. For these greater positions, organizations require modern paste weapons and items

It can be overwhelming to consider all the adhesive products on the market. Picking the right one will rely upon various elements, for example, the material you are working with. Although hot glue, also known as hot melt adhesive, is a common choice, not all projects benefit.

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Frequently Asked Questions 

How do I know which size craft glue stick to utilize?

This is a common inquiry regarding hot glue sticks. To find the response, first, we want to begin with the paste firearm. Stick firearms will just take one size of heated glue stick, so you should match them accurately. The most well-known size of craft glue stick is 1/2″ for most applications. 5/16-inch craft glue sticks, or mini hot glue sticks, are available.

How can I choose the best hot glue stick for my application when there are so many options?

There are many brands and details of craft glue sticks, which can sometimes feel overpowering. You can limit by what you fix, application, exceptional elements, etc.

What is the difference between low-temperature heated glue sticks and standard-temperature craft glue sticks?

Low-temperature heated glue sticks regularly have a dissolving point between 250-300 degrees F. These sticks require a low-temperature or variable-temperature stick firearm to administer accurately. A high-temperature or variable-temperature hot glue gun is required to disperse hot glue sticks between 350 and 400 degrees Fahrenheit.

Does cardboard adhere to hot glue?

Craft glue helps hold cardboard to cardboard as well as paper to cardboard. It’s likewise helpful for sticking cardboard to metal, plastic, glass, and different materials. you can also use it on painted cardboard easily to make different object and craft items.

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