I have been searching for a simple glue for my projects. Finding an adhesive that is safe for electronics is crucial to ensure that the device continues to perform at its maximum potential without causing permanent damage.

Full guide: Source

Risks of using unsafe glue for electronics:

  • Corrosion of electronic components due to the chemicals present in certain types of glue.
  • Short circuits caused by glue bridging connections between circuits or components.
  • Electronic devices malfunctioning or not working altogether due to glue damaging the delicate internal parts.
  • The potential for igniting or catching fire from using the wrong type of glue for devices exposed to heat or friction.

The selected glue must be suitable for the environment it has to be used in:

  • Resistance to temperature changes.
  • Compatibility with various materials, binding, and flexibility.
  • Electrical conductivity
  • Application process

An unsafe glue can be a costly mistake that can lead to damaging devices and endangering people.

  • Safe glue protects the devices’ components from corrosion and oxidation. This is possible because it doesn’t react with the surfaces it is applied to, especially metal surfaces.
  • Safe glue reduces the risk of short circuits. Excessive amounts of glue in electronic devices can cause short circuits, and this can damage the devices beyond repair. Safe glue, on the other hand, has a reduced risk of creating shorts.
  • Safe glue can withstand high temperatures. Electronic devices may get hot when in use, but using safe glue ensures the devices remain within their safe operating temperatures.
  • Safe glue creates a strong and long-lasting bond that won’t easily break even when subjected to strain and harsh conditions.

Using the correct glue during the repair process comes with several benefits:

  • Safe glue is better for the environment: Choosing eco-friendly and safe adhesive protects the environment. You won’t have to worry about disposing of harmful substances.
  • Safe glue ensures the longevity of the repairs: When you use safe glue, it can last longer, and so can the repair.
  • Safe glue is easy to use: Safe glue is easy to apply, and it doesn’t require any special handling or preparation.
  • Safe glue is readily available: Safe glue is widely available, and you can find it in hardware stores or online.
  • Safe glue give users peace of mind. Knowing that the repair of your electronic device, which is crucial in your life, will last longer provides peace of mind.

Using safe glue can improve the longevity and performance of electronic devices. Not only does it protect electronic gadgets from corrosion, but it also ensures that they perform well and last longer. Additionally, it is easy to use, eco-friendly, and readily available.

Always prioritize your safety, waring glows, ensuring fresh air, if needed and the safety of your electronic devices when repairing them.

Here are some commonly used cases for glue, used for electronics:

  • Epoxy glue:

This is a two-part adhesive that creates a very strong bond. It is commonly used on electronic components and can withstand high temperatures and vibrations.

  • Cyanoacrylate glue:

Also known as superglue, it creates an extremely strong bond that dries quickly. However, it is more brittle and can break easily with high pressure or impact.

  • Silicone adhesive:

This type of glue creates a flexible and water-resistant bond and is often used for sealing and coating electrical parts. It is less strong than epoxy or superglue but provides excellent resistance to environmental factors.

General Household Glues

It depends on the glue, but in general, it is important to select the right type of glue is essential. Some types of glue might not be strong enough for certain parts of an electronic device, and this can lead to damage or losing important components, be/not be conductive, or destroy, or not bind to the surfaces.

Hot glue

Hot glue is easy to apply and has a strong bond, but the high-temperature application can cause burns or injury. Low-temperature hot glue guns are a safer option, and choosing non-toxic glue sticks can reduce the risk of harmful effects. It is important to notice that hot glue softens, when it is reheated, by the environment or of electronics components.

Cyanoacrylate (Super Glue)

Cyanoacrylate glue, also known as super glue, is a type of adhesive that bonds quickly and creates a strong, durable hold. The glue is made of cyanoacrylate chemicals that harden when they encounter moisture, such as water vapor in the air.

This type of glue is commonly used in household repairs, crafting, and industrial applications. It is a popular choice for electronics repairs due to its ability to bond quickly and easily.

To use cyanoacrylate glue on electronic surfaces, follow these steps:

  • Clean the surface area to be glued with rubbing alcohol or another gentle cleaner to remove any dirt or debris.
  • Apply a small amount of glue to one of the surfaces, taking care not to apply too much as it can cause the joint to be too brittle.
  • Press the surfaces together for a few seconds to create a bond.
  • Let the glue cure for at least 24 hours before using or moving the device.

It is important to use caution when using cyanoacrylate glue on electronics, as it can potentially damage the device or cause a short circuit. Avoid using too much glue, and only apply it in a well-ventilated area to prevent inhalation of fumes.

Cyanoacrylate glue has several advantages and disadvantages when it comes to its use in electronics repairs:


  • Bonds quickly and creates a strong hold.
  • Dries clear, making it a good choice for visible repairs.
  • Can be used on a variety of surfaces, including plastic, metal, and rubber.
  • Easily accessible and available at most hardware or craft stores.


  • Can potentially damage electronics if not used correctly.
  • Can be brittle and break easily if used in excess.
  • Not effective on porous surfaces such as fabric or paper.
  • Can be difficult to remove if applied incorrectly.

It is important to use caution and follow proper application techniques to avoid damaging the device. Cyanoacrylate glues, also known as superglues, are easy to use and have a strong bond. However, the fumes and adhesive can cause skin or eye irritation. Choose a low-odor version with lower toxicity levels.

Epoxy Glue

Epoxy glue is a type of adhesive made from a blend of two components, resin, and hardener. Once these two components are combined, they create a long-lasting and robust adhesive capable of bonding various materials, including electronics surfaces, which makes it one of the most popular choices for electronic repairs, and for molding compound to prevent moisture in outdoor electronic.

Epoxy glues are available in both opaque and transparent forms, depending on the specific use and application intended. The following are other crucial points to understand about epoxy glue:

  • Epoxy glue is known for its high-strength bond and excellent durability, making it ideal for bonding electronics due to the potential for high levels of wear and tear on electronic surfaces.
  • Epoxy is waterproof, heat-resistant, and can withstand a wide range of temperatures, thereby preventing any damage to the electronic devices.

When using epoxy glue on electronic surfaces, it’s crucial to ensure that it’s done effectively and safely to avoid damaging the electronic components. Here are some essential tips for using epoxy glue on electronic surfaces for safe and effective results:

  • Clean the surface of the electronic component that needs to be bonded adequately.
  • Mix the epoxy glue and apply a thin layer on one of the surfaces to be bonded.
  • Join both surfaces, ensuring that the glue is evenly and thinly distributed over the entire surface.
  • Hold the two surfaces together securely until the adhesive has set, as indicated in its specific instructions.
  • After ensuring the adhesive has set and become hard, test the bond’s strength.

Epoxy glue is a reliable, sturdy, and versatile choice for bonding electronic components. However, like any adhesive, epoxy glue has its advantages and disadvantages.


  • Strong and versatile; can bond various materials, including electronics.
  • Easy to apply and mix.
  • Provides a permanent and long-lasting bond.
  • Offers excellent durability and resistance to wear and tear.


  • Epoxy glue has a relatively long cure time compared to other quick-drying adhesives.
  • Applying too much epoxy can cause a weak bond, necessitating repeating the entire process.
  • Epoxy glue can be challenging to remove from surfaces once it dries.
  • Epoxy glue requires a bit of skill and precision to apply correctly.

Epoxy is harmful to health, and its use requires a number of precautions, H4 marked gloves and good ventilation. Skin contact can lead to allergies. Epoxy is highly effective in bonding electronics, but it emits harmful vapours during the curing process. Choosing low-odor and fast curing epoxies can reduce the exposure to toxic materials, but slow curing epoxies often creates a stronger binding.

Silicone Glue

Silicone glue, also known as silicone adhesive, is a type of sealant that is used to bond two surfaces together. Silicone glue is a versatile adhesive that is commonly used in various applications, including electronics. It is a popular choice for electronic repairs because of its ability to withstand high temperatures and its resistance to moisture, chemicals, and uv-radiation.

Some of the key characteristics of silicone glue include:

  • High flexibility
  • Good electrical insulation
  • Resistance to water and chemicals
  • Good adhesion to most surfaces

Using silicone glue on electronic surfaces can be tricky, but there are some simple steps you can follow to ensure safe and effective results.

  • Clean the surfaces that you plan to bond with silicone glue. Make sure they are free of dirt, dust, and moisture.
  • Apply a small amount of silicone glue to one of the surfaces using a fine applicator, such as a toothpick or a syringe.
  • Press the two surfaces together gently but firmly. Make sure that they are aligned properly.
  • Leave the glue to dry completely before handling the electronic device. This usually takes about 24-48 hours, depending on the brand and type of silicone glue you are using.

Like any adhesive, silicone glue has its pros and cons. Here are some of the most important advantages and disadvantages to keep in mind:


  • Highly flexible.
  • Good electrical insulation.
  • Resistant to water and chemicals.
  • Good adhesion to most surfaces.
  • Can withstand high temperatures and uv-radiation.


  • Long drying time (24-48 hours)
  • Can be difficult to remove once cured.
  • May not bond well to certain surfaces, such as plastics or metals without special preparation.
  • Can be messy to work with if not applied carefully.

Silicone glue is a safe and effective adhesive for electronic repairs. It offers many advantages over other types of glue, such as its flexibility, resistance to water and chemicals, and ability to withstand high temperatures and uv-radiation. However, it is important to use it carefully and follow the manufacturer’s instructions to avoid damaging delicate electronic components.

Silicone is a non-toxic and flexible adhesive. It does not emit fumes or gases, making it a safe option. However, silicone glue is not a strong adhesive, and it may not be suitable for heavy-duty electronics.

My stach

Contact adhesive

I have looked into diffrent options. I have selected to use glue from Bulaien, cheap via AliExpress, and i have not discovered any issues. I have it in some diffrent colours, but i have found it difficult to differ them, to determen there use.

B6000 Glue

Contact adhesive that can be used on many materials for cell phone repair, tablet repair, toys, diamond, decoration, flower, cloth, shell, jewellery, crafts, its solid content, curing time and viscosity make it a great strong adhesive.

B7000 Glue

Contact adhesive for cell phone frame repair (mainly for personal purpose), glass, plastic, leather, wood, cloth, its solid content, curing time and viscosity make it a great universal adhesive.

E8000 Glue

Contact adhesive for cell phone frame repair (mainly for personal purpose), metal, glass, ceramic stone, bamboo wood, cloth, leather, its solid content, curing time and viscosity make it a great strong adhesive.

T7000 Glue

Contact adhesive for cell phone repair, tablet repair with black colour, its solid content, curing time and viscosity make it a great strong adhesive.

T8000 Glue

Contact adhesive for cell phone repair, tablet repair when you need adhesive with transparent clear colour, its solid content, curing time and viscosity make it a great strong adhesive.

T9000 Glue

Contact adhesive for cell phone repair, tablet repair when you need adhesive with clear colour and no harm to acrylic materials, its solid content, curing time and viscosity make it a great strong adhesive.

Epoxy adhesive

I have some diffrent types of Epoxy adhesive from DanaLim, i mostly use it for knife making, when i secure the blade into the shaft.

Epoxy Universal 335

Epoxy adhesive with a long cure time (24h): link

Epoxy Rapid 332

Rapid Epoxy adhesive with a relative short cure time: link

Cyanoacrylate (Super Glue)

Writing this page, i identified the manefacture of Super Glue i have been searching for. I used it at a former job, and the dispenser handles the biggest i ssue i have discvered, that it is cure for next time. It had made me usu very cheap 1g packs, knowing i not would be abæe to save the rest for next time.

Kema KemLock® Cyancrylater

The types i have been looking for: link

  • CE-35 - Glue with good filling ability. Suitable for irregular fracture surfaces and porous materials.
  • CE-98 - very fast hardening glue for precision gluing of o-rings, drive belts, switches, switches and optical equipment, also suitable for assembly of dissimilar plastic types.

In addition, i use Loctie with and have a selection of diffrent strengths, Silicone Glue is not a part of my normal use.

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