Adhesive for plastic

How to repair a broken plastic thing? Simply glue. But it turned out that this process is not so simple. Plastics have their own characteristics, respectively, and the fixing solution can be different. Which is better to choose a glue for plastic, we will consider in this article.

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Adhesive and plastic varieties

Plastic is a complex material, it is an organic material based on polymers. To fasten the plastic, more effort is required than in the case of wood or leather. The reason for this is the chemical composition, surface structure and properties of plastics.

Important! This material has no pores, polymers are characterized by low chemical activity and low adhesion.

In construction, plastic glue is not used, welding is used instead. However, in everyday life such a method is practically inaccessible, and it is inappropriate.

Let's consider possible options, what can be the glue for plastic:

• Liquid. Such mixtures contain water or a solvent. After the glue is applied to the surface, their evaporation and solidification of the adhesive composition takes place.
• Contact. With the help of such glue plastic of different types is fastened. A hardener may be added to it.
• Reactive. For the gluing process, certain factors are required - the presence of water or ultraviolet radiation. Such glue can be one- and two-component.
• Hotmelt glue. Before the gluing process, it must be heated.

When choosing plastic glue, it is necessary to pay attention to the material:

• Children's designers make of ABS plastic - epoxy cement is suitable for it.
• Polystyrene is the basis for cheap toys and artificial glass, it is well bonded by polycent.
• More dense, hard plastic is glued with a special adhesive for polypropylene or polyethylene. The usual plastic glue will be inconclusive.

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How to glue plastic products?

Bonding surfaces is a process that requires preparation and a certain algorithm of action.

1. Get rid of dust. You need to wash the object with the addition of soap, you can rub it with isopropyl alcohol or a special cleaner.

Important! To keep the surface clean, you should try not to touch it with your bare hands.

1. Grind the surface to be glued. In order for the surface to become more rough and better to stick together, it is treated with 120-200 sandpaper. You can use steel wool or sandpaper.
2. If necessary, we mix the glue components. In doing so, you must strictly follow the instructions given on the package, since it is important that parts of the composition are added in a certain ratio.
3. We apply adhesive for plastic on both surfaces. In doing so, you need to use a brush or a needle for very thin surfaces.

Important! When using a cement solvent, both parts are first compressed, and then, using an applicator, a solvent is applied.

1. Surfaces are neatly compressed. This is done to remove air bubbles. Glue should not flow, but if it happens - it must be wiped immediately.
2. Surfaces are fixed with a clamp, a vice, adhesive tape or rubber bands.

Important! Some types of glue freeze for minutes, and others will need a day.

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Popular brand of adhesive for plastic

Adhesive for plastic is very popular, there are a lot of varieties. Consider the most popular brands.

Cosmofen CA 12, USA

Produced in a large convenient vial. Strength indices are average. Parts, glued and butted, and overlapped, after gluing easily break.

Important! After closing the bottle, the glue dries onto the cap.

3M Scotch-Weld, England

This adhesive is also available in a large, convenient volume bottle. Usage is very simple. Equally well suited for gluing both glossy and rough surfaces.

Important! If you do not close the cork, the dispenser dries quickly.

Hosch, Germany

Very effective two-component agent for all surfaces. However, the effectiveness decreases if the flux powder is not added.

Loctite 406

The adhesive is available in a convenient package, it is easy to apply. The composition quickly spreads over the surfaces. Well glues the parts and butt and lap, regardless of whether the glossy or rough surface. A great effort is required to break them.

Super Moment Maxi, Ireland

The adhesive has excellent gluing properties. Indications for a break are excellent, considerable effort is required.

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How to remove glue from plastic?

Using plastic glue, care should be taken to ensure that its surplus does not fall on excess surfaces. If this happens, you need to put some effort into cleaning:

1. If the adhesive has not had time to freeze, it is rubbed off using a sponge. The surface is then treated with a degreaser.
2. Acetone or nail polish remover is used to remove dried superglue. The cotton swab is wetted, with its help the soiled area is treated. The procedure is repeated after a quarter of an hour. In the same way, you can use to remove glue torque or nitrocellulose glue.
3. To eliminate the rubber glue, gasoline is used. The liquid is applied to a tampon and the surface is treated.
4. To remove glue on a plant basis, a solution is used, which includes water, ammonia and denatured alcohol. All of them are taken in equal parts.

Important! To remove the glue, kerosene, acetone, white spirit, gasoline or solvent 646 are often used. All these agents are aggressive, so use them with caution.

Adhesive compositions are presented in a very wide range. For the right choice, so that everything that is broken is glued together, it is important to take into account all the nuances. We hope that our article helped you in this.