special applications of silicone resins 2
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This high free volume characteristic can also be used for glass assembly and highway joint sealing. A special advantage of RTV silicone sealants is their ability to adapt to movements at the junctions of components. When the windows are equipped, the connection between glass and aluminum, as well as steel and concrete when bridges are used, each material has a significantly different thermal expansion and thermal shrinkage coefficient. When subjected to wide temperature fluctuations, the silicone sealant acts as a shock absorber, adapting to the movement of the material while maintaining a seal.
Because of their unique combination of properties, they can quickly and accurately display and replicate bionic prostheses, and choose silicone as the material for teeth and prosthetics. They are also often used to make heart valves, long-term contact lenses, balloon catheters, and knuckle replacements. In the past few years, many silicone resin products have appeared on the market. Molded articles such as silicone baking pans, scrapers, and oven gloves have swept the American kitchen.
Silicone rubber can take many forms. For example, when assembling glass, the thixotropic paste will not flow even when used on vertical accessories. Some exhibit high uncured strength and will not flow even under high pressure tests. Flowable products are self-leveling liquids and are suitable for use in electronic accessories that enter the package through narrow channels. Low viscosity spray type is effective in the application of film coatings such as conformal coating of circuit boards and release agents.