Which glue to choose: the importance of choosing the right glue
Finding the ideal glue may seem simple, but faced with the multitude of products available on the market, many are distraught. Whether for express repair, a DIY project or a professional assembly, Choosing a good glue is essential to guarantee solidity, sustainability and safety.
With this guide, you will discover everything you need to know to know which glue to choose Depending on your materials, your conditions of use and your level of requirement. This content is based on the expertise of Colle21, a recognized leader in the world of powerful and professional glues.

1. The essential criteria for choosing a glue
Type of materials to stick
First, the criterion to consider is the type of material. Wood, plastic, metal or glass do not adhere in the same way. For example :
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Smooth or flexible plastic requires specific glue rich in active adhesives.
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The raw wood goes well with the glues based on resins.
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Metal often requires high mechanical resistance glue.
Mechanical and environmental resistance
Each glue has a different resistance to the conditions:
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Resistance to traction or shock
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Resistance to humidity, heat or cold
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Holding over time, even in extreme conditions
Glues like those offered by Glue21 sont conçues pour offrir Optimal resistance even in difficult conditions. In addition, other criteria are to be examined:
Drying time and sustainability
Taking time is a determining factor. Some glues dry in seconds (cyanoacrylate glues), while others require several hours (epoxy glues).
Ease of application and safety
A good product should be easy to apply, do not flow and allow clean work. In addition, some glues are solvent or low toxicity, a significant asset for domestic or educational use.
2. Which glue choose: The main types of glues explained

Cyanoacrylate glues
Fast and very powerful, they are suitable for urgent repairs and precise collages. Indeed, Glue Colle21 cyanoacrylate is an excellent example of this type of glue, offering immediate grip on a wide range of materials.
Epoxy glues
Composed of two components to mix, they are perfect for structural uses, especially on metal, wood or stone.
Thermofusible glues
Used with a hot glue pistol, they are widespread in creative hobbies but less resistant for industrial uses.
Neoprene and polyurethanes glues
Excellent for wide or flexible surfaces, they offer good flexibility and permanent collage.
3. Which glue to choose for wood?
Small wooden objects
For small collages or fine repairs, cyanoacrylate glues are ideal thanks to their precision and their speed of drying.
Structural assemblies
For solid montages such as furniture, favor polyurethane or epoxy glues that guarantee firm support over time.
➡️ Discover the Special wood glue on glue21.
4. Which glue to choose for plastic?
Rigid plastics (PVC, ABS)
There is a glue that enters micro-asperities, such as Enriched cyanoacrylate glues.
Glue Colle21 plastic is specially formulated for this type of surfaces.
Flexible
Use flexible glues that keep their elasticity after drying.
5. What glue for metal?
Domestic metal repairs
Les colles époxy ou hybrides sont les meilleures pour des fixations fortes et résistantes à la chaleur.
Technical assemblies
Professional products like Glue Colle21 metal are designed to support important mechanical constraints.
6. Which glue to choose for glass and ceramics?
The glass requires transparent glue, resistant to humidity and thermal shocks.
Transparent epoxy glues or specialized cyanoacrylates such as those of Glue Colle21 are recommended.
7. Special leather and textile glues
Leather and fabric require flexible glue that respects the flexibility of the material.
A latex or polyurethane formula is to be favored.
8. Glue for paper, cardboard and creative hobbies
Creative hobbies require non -toxic glues, easy to apply, often based on water.
Glue Colle21 hobby offers ideal solutions for stationery, models or scrapbooking.
9. Strong glue all materials: reality or myth?
We often hear about "Universal" glues, capable of sticking all types of materials. If this is partly true, it is essential to understand that each material has its own adhesion constraints.
Indeed, ultra-polyvalent glues such as Glue Colle21 cyanoacrylate Distinguished themselves by their effectiveness on a multitude of surfaces: wood, metal, plastic, ceramics, rubber ... but for an optimal result, it remains preferable to Choose a glue suitable for each specific use.
10. Recommendations for high-performance multi-use glues

Presentation of glue Colle21 and its advantages
Glue Colle21 is essential today as an essential reference in the field of high performance glue. Indeed, their range is designed to meet the needs of DIY enthusiasts, modelists, professionals and even industrialists.
Key advantages:
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Instant adhesion in a few seconds
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Extreme resistance to traction and temperatures
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Compatible with the majority of materials
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Anti-clipping nozzle
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Formula without solvent or aggressive smell
Recommended products
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✅ Glue Colle21 cyanoacrylate 21g : perfect for quick and durable repairs
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✅ Glue Colle21 kit + activator : ideal for porous or complex surfaces
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✅ Glue Colle21 Modelism : designed for fine details and delicate collages
11. Frequent errors when choosing or using a glue
Even the best glue will not give good results if it is poorly used. Here are the common errors to avoid:
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❌ Use a glue unsuitable for material
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❌ Forget to clean the surfaces before application
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❌ Apply too much glue
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❌ Neglect the drying or hardening time
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❌ Store glue in poor conditions
Bad application can decrease the effectiveness of the glue by more than 50 %.
12.Which glue choose: Tips for a perfect application of your glue
Here are some practical tips to maximize the efficiency of your glue:
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Prepare surfaces : degrease, sand slightly if necessary.
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Use precisely : A drop is often enough.
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Maintain the pressure parts For a few seconds to a few minutes.
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Respect drying times before manipulation.
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Store in a dry and fresh place, ideally in the refrigerator for cyanoacrylate glues.
13. Ecological and solvent glues: towards a healthier choice
The era of sustainable development also affects the field of glues. Some innovative formulas now offer Ecological alternatives, without volatile solvents or toxic substances.
For example, Glue Colle21 offers products without aggressive solvent, respectful of the user and the environment, without compromise on performance.
14. Comparison table of glues according to the use
Material type | Recommended glue | Glue product21 |
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Drink | Polyurethane or cyanoacrylate | Glue Colle21 wood |
Plastic | Specialized cyanoacrylate | Glue Colle21 plastic |
Metal | Epoxy or hybrid | Colle21 metal |
Glass | Transparent epoxy or cyano | Colle21 glass |
Paper/cardboard | White glue or hobby | Colle21 hobby |
Leather/textile | Latex flexible glue | Colle21 textiles |
15. What do professionals say? Testimonials from experts and craftsmen
Craftsmen, modelists, repairers or regular tinkers trust Colle21 for its reliability and its versatility. Here are some opinions for example:
🛠️ “As a model maker, I swear by the glue Colle21.
It dries quickly, holds perfectly and saves me crazy time. »» -Jean-Michel, model maker
🧰 "I use glue21 for my workshop repairs. Even on plastic or metal, she does the unfailing job. »» - Claire, craftsmanship in leather goods
FAQ on "which glue choose"
1. What is the strongest glue available for domestic use?
There Glue21 cyanoacrylate is one of the most powerful on the market, ideal for all types of fast domestic repairs.
2. Can we use a single glue for all materials?
Yes, some glues like Multi-Usages glue Colle21 are designed to effectively stick wood, metal, plastic, glass, etc., but for maximum performance, it is better to a glue suitable for each material.
3. Which glue to choose for an outdoor repair?
Opt for a Water and UV resistant glue, like a polyurethane or professional epoxy glue.
4. Are the cyanoacrylate glues dangerous?
No, if used correctly. It is important to read the instructions and store them out of the reach of children.
5. What is the best glue for Modelism?
The range Glue Colle21 hobby and model is perfect for precision modelism.
6. Can I stick cracked glass with a glue?
Yes, with a High performance transparent glue, like those offered in the section Glass of glue Colle21.
16. Which glue choose : which glue for which project?
To properly illustrate the uses of each type of glue, here are some concrete scenarios:
🔧 Repair a broken ceramic cup
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Issue : A broken cup in two pieces, used daily
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Ideal solution: Glue Colle21 cyanoacrylate, for a rapid socket, resistant to humidity, with a clean and invisible finish
🛠️ Assemble a light wooden photo frame
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Issue : Stick a light frame without the seals seeing itself
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Solution : A fine and transparent wood glue like Glue Colle21 wood
🚗 Fix a plastic element in the passenger compartment of a car
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Problem: Environment subject to heat, vibrations and constraints
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Solution : Cyanoacrylate + activator Glue Colle21 kit
🖼️ Create a diorama for a miniature model
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Issue : Various materials (plastic, wood, metal), very fine
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Solution : Glue Colle21 hobby + Precision of the special tip
17. Gallery of Colle21 Recommended products
Here is a presentation of the most versatile glues of glue21, according to the most common uses:
Product name | Main use | Product link |
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Glue Colle21 cyanoacrylate | All materials, quick repairs | See the product |
Glue pack + activator | Collage on difficult surfaces (plastic, metal, wood) | See the pack |
Hobby glue | Models, miniatures, creative hobbies | See glue |
Wood glue | Assembly of wooden objects and fine repairs | See the range |
Metal glue | Metal-metal or metal-to-other materials | See the range |
Plastic glue | PVC, ABC collage, hard plastic | See the solutions |
18. Colles in the specialized sectors
Aeronautics and technical modelism
In these sectors, precision and vibration outfit are essential.
Thus, Colle21 offers solutions ultra -resistant and adapted to miniaturization.
Jewelry and fine repair
Jeweler craftsmen use glues like Glue Colle21 For their invisible and durable assemblies, especially for metal-pierre or metal metal glues.
3D printing and prototyping
Glue is used for assemble the printed parts, often in plans, abs or resin.
The glue Colle21 ensure a Adhesion without deformation, ideal for visual and functional prototypes.
19. Visual comparison of drying times
Glue type | Initial socket | Full drying time | Recommended use |
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Cyanoacrylate | 3 to 10 seconds | 60 seconds | Quick repairs, precision |
Bicomposing epoxy | 5 to 15 minutes | 12 to 24 hours | Solid and sustainable assemblies |
Thermofusible | Immediate | 2 to 3 minutes | Creative hobbies, packaging |
Neoprene glue | 10 minutes | 24 hours | Leather, textiles, large surfaces |
Polyurethane glue | 20 minutes | 24 to 48 hours | Structure, wood, exterior |
Which glue choose: Maintenance and storage of glues
To maximize the lifespan of your glue:
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Close hermetically after use
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Keep out of heat
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For cyanoacrylates: Recommended fridge storage
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Avoid exposure to humidity (which activates glue prematurely)
Conclusion Which glue choose : Choosing the adapted glue is successful your project
Know which glue choose It is not just a matter of preference, but a logical approach, guided by the materials, the desired use and sustainability.
Thanks to this guide, you are now equipped to make the right choice.
Trust a proven brand like Glue Colle21 To guarantee a professional, durable and secure collage.
Because a good project starts with good membership.
🚚 Where to buy?
🔗 Visit the official Colle21 store
🛎 Buy on Amazon Shop glue Colle21 - Fast delivery and professional quality
📲 Let's stay stuck with glue Colle21! 🚀
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