Silicone is a material made up of inorganic molecules that are born from the combination of oxygen and silicon; practical and versatile, it is the right tool both to do small DIY jobs and professionally in many sectors such as construction, industry and cosmetics.
The very first silicones appeared on the market in 1940 and still today they are strongly used thanks to their characteristics, which make them an essential and necessary tool in all work boxes. The use fence sealer can also be used
The first characteristic to take into consideration is certainly the practicality of application, which makes it possible to use them both by specialized personnel and by private and less experienced customers.
Second peculiarity is the ability to resist humidity, weathering and UV rays.
Third property is that of inalterability: the silicone does not change its state when it comes into contact with external agents.
Fourth and last quality is certainly the ability to be very versatile and lend itself to the most diverse uses.
According to their chemical composition, silicones can be divided into three main categories:
- silicone oils;
- silicone resins;
- silicone rubbers.
Silicone oils are considered excellent thermal insulators, they are hydrophobic and totally inert to chemical attack, but above all they are non-toxic and therefore their application is ideal in the textile and pharmaceutical sectors for the production of creams.
Silicone resins are very resistant to weathering, sunlight and radiation, so they are very useful in the building and industrial sector.
Silicone rubbers have the particular characteristic of being extremely flexible, therefore they find great application in the manufacture of sealing gaskets and in the artistic world as a duplication material.
ACETIC, ACRYLIC OR NEUTRAL: WHICH SILICONE TO CHOOSE?
In order for silicone to give its best with each application, it is necessary to choose the best one according to the use to be made of it. There are several types of silicone on the market, but currently the three main types are:
- universal acetic silicone;
- universal acrylic silicone;
- universal neutral silicone.
The most commonly used silicone for household work is the universal acetic silicone, ideal for use in sealing ceramic, tile, aluminium, bathroom and kitchen.
You will certainly find it useful to fix shelves to the wall, to seal your shower enclosure or to stop draughts from a window, and you can also choose it in transparent, white or black.
If, on the other hand, you need to seal or glue porous material, we strongly recommend you to choose the universal acrylic silicone, specifically designed for use on building materials, plasterboard, floors and terraces. You can find this silicone on the market in white or gray color, but usually acrylic silicone can be painted once dry.
Last but not least, it is the universal neutral silicone, designed for sealing and gluing operations of more delicate surfaces such as wood, PVC, polycarbonate, glass and mirrors. On the market there are various colors – according to the needs – and also inside this silicone can be added a particular chemical substance that makes it mold-proof.
HOW TO APPLY THE SILICONE?
Now that we have explained all the main characteristics of silicones, you just have to buy it and try to use it. But how to do it?
Don’t worry, we also thought to give you a small set of tips on how to easily apply the silicone you decide to buy.
The very first step to follow, even before you are going to apply the silicone, is to thoroughly clean the surface on which you are going to place the sealant, to ensure maximum effectiveness.
We suggest you, therefore, in case of the presence of old putty or silicone, to remove it with a spatula or a small knife.
Now let’s move on to the silicone cartridge: take care to cut the tip of the tube in which the silicone cartridge is contained and screw the special nozzle that will be supplied with the purchase of the sealant.
Obviously in order to apply the silicone you will also need a gun that allows you to exert the correct pressure on the back plunger of the tube: on the market you can find different types, from the cheapest and simplest to the most complex and expensive. Then mount the cartridge complete with nozzle in the special gun.
Take care now to operate the gun by pulling the trigger and directing the nozzle so that the silicone is evenly and continuously distributed in the area of interest; be careful to maintain a 45° angle during application and if you have applied more silicone than necessary do not worry, you can simply use a dampened rag to immediately remove the excess silicone.