Silica fiber is a thin, heat-resistant strand made of sodium silicate used in aerospace, electrical, and automotive applications. It is also used as optical fibers for telecommunications, sensors, and medical instruments. Silica fiber offers heat protection and is commonly used in compensators and packaging. It is also used as insulators in electrical, automotive, and aerospace applications. Silica fiber blankets are used on space shuttles as part of the thermal protection system. Optical filaments are made of silica fibers and are used in telecommunications, surgical procedures, and as sensors.
Silica fiber is a long, thin strand made of sodium silicate. It has many aerospace, electrical and automotive applications due to its high heat resistance. These threads are also used as optical fibers for long distance telecommunication, sensors and optical fiber medical instruments.
The wire or thread is actually made of sodium silicate, also known as water glass. In its pure form, it appears as a white powder. It is very stable and through a melting and brushing process it forms into a series of fine threads or fibers.
Silica fiber offers heat protection and is commonly used in compensators and packaging. Compensators refer to mechanisms that counterbalance motion, such as muzzle brakes in firearms and piston pump pressure control. The silica product is also a substitute for asbestos packaging. The threads do not react with most mineral and organic acids at high temperatures and have a high resistance to thermal shock.
The material is woven silica fiber or the threads are embedded in other materials, typically used as insulators. The silica material is then used in electrical, automotive and aerospace applications. Guard made from this material can withstand temperatures up to 1832 degrees Fahrenheit (1000 C) for very long periods or temperatures even higher than 3092 F (1700 C) for short periods of time.
The heat protection is so effective that silica fiber blankets are used on space shuttles as part of the thermal protection system. The threads are part of the advanced flexible reusable surface insulation. The use of silica fibers reduces the weight of the insulation and can cope with the thermal load encountered upon re-entry.
Optical filaments are also made of silica fibers. Optical filament transmits light and is very thin, about as wide as a single strand of human hair. These strands form the foundation of optical fibers, which allow data to be transmitted at higher data rates and over very long distances. These elements are frequently used in telecommunications.
Other applications of optical fibers include imaging for surgical procedures and as sensors. One surgical application is an endoscope. This instrument is made up of bundles of silica fibers and is used to inspect the inside of the body.
The wire can be used to connect a sensor to a measurement system. In some cases the silica fiber is the sensor. No electrical power is required to operate sensors made from this material. Due to its small size it can be placed in places that are difficult to reach or dangerous for humans.
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