Silicone rubber has recently become a very popular material. He is absolutely harmless. Products made from silicone rubber are resistant to many chemicals. This makes the material unique. After all, it is able to withstand the effects of ozone, hydrogen peroxide, various solutions of alkalis and acids, mineral oils, phenols and alcohols.
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How is heat-resistant silicone rubber made? It is made by vulcanizing mixtures that contain rubber. As other components in such compositions, silicon oxides are used, for example, white soot, aerosil, and so on. In addition, technological and other fillers are usually added to the mixture. Most often, substances such as organic peroxides are subject to vulcanization.
During the manufacturing process of such a material, a silicone elastomer is formed, which has many positive properties. Heat-resistant rubber differs from other varieties in high quality and long service life. In many areas, such properties are simply irreplaceable. In addition, silicone rubber is used in almost any temperatureconditions.
Besides this, the elastomer, which is formed during the vulcanization of substances, is absolutely non-toxic, and also inert in relation to many biological processes. This quality allows the material to be used in medicine, as well as in the food industry.
Material properties
Products made of silicone rubber perfectly withstand repeated temperature exposure. This material can be sterilized more than once using hot air or steam.
Silicone rubber sheet has a surface endowed with low adhesion. This allows the material to be used for the manufacture of all kinds of rollers for rolling, molds and conveyor covers.
Among all the qualities of silicone rubber, one should highlight its high resistance to acids, alkalis, alcohols, as well as non-toxicity, good electrical insulation characteristics, performance at a temperature of +400 ° C and elasticity at -100 ° C. This allows silicone rubber to be used in conditions that traditional elastomers simply cannot withstand.
Quality seal
Heat-resistant silicone rubber is widely used as sealing and other elements, as well as membranes for heat presses. However, this is not all areas of application of this material. Silicone rubber is often used as a seal for boiler and furnace equipment, for parts of appliances where high temperature loads are noted, as well as for pump hoses. In thiscase, the material is simply irreplaceable.
It is also used as the main raw material for the production of gaskets that can withstand severe frost or heat. Silicone rubber is also an ideal material for making a heat-resistant base for bag sealing machines.
Medicine and pharmaceuticals
Due to absolute safety and excellent mechanical properties, silicone rubber is used in medicine and pharmaceuticals to create children's and hygiene products. After all, this material is made without the addition of plasticizers, stabilizers and other harmful additives. Examples in this case are children's toys and pacifiers, implants, catheters, prostheses, anesthetic masks and medical tubes.
All products made of heat-resistant food-grade silicone rubber differ from others in the absence of any odors, high hygiene, physiological compatibility with optical transparency. In addition, the material is simply unable to cause allergic reactions. Products are perfectly cleaned, able to repel not only water, but also dust. They are heat resistant. This allows them to be repeatedly sterilized with hot steam or boiling water.
Other applications
Silicone rubber is used in industrial production. And all thanks to its unique properties. This material is used in the automotive industry. Here it is used as gaskets and seals that allow you to isolate the connection of parts. Particular importance is attached to their ability to withstand exposure to ultraviolet rays, antifreeze and various oils. In addition, gaskets must have a high wear resistance and increased mechanical strength.
Insulating and cable elastomers are widely used in electrical engineering. As a rule, all kinds of products are made from them, not only for domestic purposes. Silicone rubber is used to produce cables that are used in industrial equipment, electrical appliances and power tools that operate in a fairly aggressive environment.
