The main objective of the sealant is to seal the joints. But in fact, it is used in almost all areas related to repair.
The most common materials with which the sealant is “friendly” are metal products, wood and stone.
In the case of plastic parts, it is necessary to take into account a number of nuances, since not every sealant can be applied.
Types of sealants
The variety of single-component sealants on the market, depending on the basis, can be classified as follows:
Each of them is used in certain conditions - this is due to the characteristic features of the sealant.
The purpose of the sealant
In general, sealants, if not delve into the quality characteristics of each, are used in the following cases:
- joint sealing - installation of windows, showers, etc .;
- processing of parts for further connection;
- glue replacement - the sealant manifests itself especially well when fixing various parts that are affected by water and humidity.
In order to understand what sealant to use in a given situation, you need to familiarize yourself with its composition and scope, since there are a lot of varieties of them. Sealants and their application:
- neutral sealant is a universal mixture that is used in almost every type of work;
- transparent sealant - is widely used to connect open joints (windows, aquariums) since its composition is colorless;
- sanitary sealant - bathrooms, kitchens; this is due to its ability to prevent the formation of mold and fungus;
- aquarium sealant - the name speaks of the field of application, but do not limit it only to this; pools and windows and others seal it;
- food sealant - works well with surfaces in contact with food products - countertops and other elements of kitchens;
- high-temperature sealant - used in places that are exposed to high temperatures (ovens), in places exposed to direct sunlight.
What can not be glued with sealant
Despite widespread use, there are materials with which the sealant cannot cope. This mainly applies to plastics - polycarbonate, polyethylene, polypropylene, Teflon polyvinyl chloride (PVC), as there is a lack of adhesion.
In this case, it is necessary to choose a specialized sealant that will be suitable for a particular material, or supplement it with a primer.
The latter is necessary to create an intermediate layer between the surface and the sealant, as well as to ensure strong bonding of heterogeneous substrates, which are initially incompatible.
It turns out that not all materials can be glued with a sealant, and before using it, it is necessary to carefully study its instructions and scope. Have you encountered the fact that you could not apply sealant? Tell us in the comments.