Sold in coiled cords silicone sealant It is widely used for sealing various joints of moving and stationary parts. The cross-sectional shape can be of three types:
- round;
- square;
- rectangular.
Each of them, together with the width and thickness, gives the best result for different types of joints, allowing the void to be filled most tightly and blocking the path for the free movement of atmospheric air and liquid or gaseous working environments. This is achieved due to the high elasticity and flexibility of the silicone sealant, which, under uneven compression deformation, easily rebuilds its internal structure, striving to fill the available volume as much as possible as liquids under increased pressure, and after the applied forces are removed, almost instantly restores the original geometric shape.
Silicone sealant has a number of useful properties, each of which is important for the effective solution of any specific problem. Let's list some of them:
- A fairly wide range of operating temperatures from -60 to 250 degrees allows it to be successfully used in all climatic zones of the globe. At the same time, the risk of emergency situations is practically eliminated even in severe frosts, like those that, due to the loss of elasticity of the sealing rubber rings at an abnormal temperature for the state of Florida near zero, led to the explosion of the space shuttle Challenger in the distant 1986 and stopped already planned flights to fulfill orders of the Ministry of Defense and research programs for as many as three years.
- The material is resistant to atmospheric moisture and direct ultraviolet rays, which allows it to maintain its integrity in damp weather and when exposed to sunlight even during its peak activity.
- For electrical engineering, it is important that the composition does not contain soot as a filler, which, when released, can be present in the air as a suspension of tiny particles and settle on the internal surfaces of various devices operating under high voltage. Since it has conductive properties, its presence sharply reduces the electrical resistance between parts below the value allowed by calculations, which often leads to breakdown and damage to expensive equipment, due to the downtime of which, in addition, users suffer significant losses.
In addition to the silicone sealant in cords, other popular products are also made from this material.
Products included in the same group as silicone sealant
Currently, the product produced individually or in rolls is in great demand silicone sheet. It is often used as a starting material for the production of flat gaskets of various configurations, which also serve to seal pipeline connections, parts of instrument housings and various units of household and industrial equipment. Also, having very low adhesion, it can be used to create protective coatings for the surfaces of tanks, tables and other objects that come into contact with sticky masses, as well as packaging for their packaging.
Silicone tube
Elastic silicone tube when bent even at a large angle, it does not lose the integrity of its walls, so it is widely used to connect input and output fittings of various equipment that do not have a coaxial spatial configuration. Unlike steel or rubber reinforced with a metal mesh, it is not capable of working under high pressure, but does not enter into chemical reactions with the vast majority of organic and inorganic molecules, so it is used even in medicine.
Silicone rod for heat guns
Small in length and diameter silicone rod is produced for use with specially designed heat guns for performing various assembly operations. When heated moderately, it gradually softens and turns into a liquid state, in which it can be applied evenly to the surface of various parts and fill cavities of all kinds of geometric shapes. After cooling, it hardens again to its original state and regains its elasticity, allowing it to maintain integrity when deformed due to the applied forces. In this way, it is possible to glue various elements, seal cracks and apply protective coatings in a much more convenient way than when using raw rubber, which requires special storage conditions and vulcanization to bring it to the desired state.