Adhesives and sealants that are on the market today are extremely diverse and characterized by a wide range of applications.
Glue is a substance that is used to connect different materials due to the adhesion process between the adhesive film and various surfaces. It is a natural or synthetic based mixture or solution.
The chemical structure of adhesives are also different. In addition, they are classified by consistency into liquid or powder.
According to the method of gluing, they are of the following types: PVA, contact, hot melt adhesives and those that act at the molecular level.
Adhesives-sealants are gaining significant popularity. They are used in the assembly of components, various devices, machines, ventilation systems, etc. Popular is the glue-sealant "Moment", which belongs to waterproof species. It is used for bonding a wide variety of surfaces - wood, leather, rubber, glass, ceramics, etc. (except dishes in which food is planned to be served).
It should be noted that the adhesive-sealant is made on the basis of polymers. In most cases, it consists of polysulfide, as well as organosilicon rubbers. Main Spectrumapplications - filling various gaps and cracks, as well as sealing doors and windows.
According to the chemical composition, the adhesive-sealant is acrylic, silicone and polyurethane. Acrylic type is used to fill joints and not too large cracks between stone or concrete surfaces.
It should be noted that acrylic-based adhesives do not contain solvents, can be used to seal small cracks both indoors and outdoors. They are characterized by good adhesion to concrete, plaster, as well as wood and brick, they are able to form a film in 15 minutes and retain their properties at a temperature of -25 - +80 °C. In addition, this adhesive-sealant is highly resistant to UV rays and light, applied directly from the tube or with a special gun.
The silicone type of these adhesives are used as insulators, which help to install the window frame, doorway and various metal structures, reliably protecting against the ingress of foreign odors and water. It is worth noting that silicone adhesive-sealant is characterized by good adhesion to glass, wood, enamel and ceramic surfaces. It also has high resistance to high temperatures and various weather conditions.
Such adhesives are available in a variety of colors or colorless (transparent). When applying them, it should be remembered that the working surface must be clean, dry and fat-free, and complete solidification occurs only withindays.
Polyurethane adhesive sealant is a compacted and adhesive mass, which can maintain good elasticity for a long time. They are used to seal any materials. It should also be noted that polyurethane-based adhesives quickly stick together two surfaces, become hard when in contact with water, and can be varnished or painted. Standard surface preparation (cleaning and degreasing) must be carried out before application.
