auto industry

The application of silica gel in the automotive industry is growing rapidly. Silica gel (especially silica gel with various properties) can resist the erosion of fuel and lubricating oil, improve the performance of various parts of the car and reduce maintenance costs. It can be used for automobile ignition wire, spark plug protection cover, hose for heating and radiator, muffler lining, battery connector and fuel pump made of fluorosilicone. With the development of vehicle electronic electrification, room temperature curing silicone is widely used in potting glue for electronic parts, electrical assemblies, windshield glass, sealing around the car body and bonding sealant for reflectors, etc.

Electronics and electrical industry

The electronics and electrical industries are the earliest areas where silica gel is used as an insulating material and has a large demand. Silica gel is mainly used for TV anode cover, high-voltage protective cover, high-voltage lead wire, refrigerator defroster wire, power or signal transmission wire and cable, etc. Insulators made of silica gel will be widely used in power transmission lines, especially ultra-high voltage lines, instead of ceramic products. Conductive silica gel is used for electrical contact parts and liquid crystal display contact parts of electronic computers, telephones and other instruments. Wires and cables made of flame-retardant and radiation-resistant silica gel are widely used in atomic power stations. Silicone heating pads and heating belts are used to control the working temperature of various precision instruments and oil pipelines, and are used as heating blankets for physiotherapy hot compresses in medical treatment. Room temperature curing silicone can be used as a potting material for waterproof, moisture-proof and shock-proof.

Silica gel has been widely used in the pump seals of dishwashers and washing machines because of its heat-resistant detergent properties. Silicone is ideal for use as gaskets on appliances such as coffee pots, electric fryers, and steam irons. The pads of the ear and head of the stereo earphone are changed to silicone, which can eliminate external noise and is soft and comfortable.

aerospace industry

Silica gel is an indispensable high-performance material in the aerospace industry. It can withstand the ultra-coldness of space and the scorching heat of returning to the atmosphere, prolong the life of aircraft parts, reduce maintenance costs, and reduce accidents. Mainly used in aircraft airframe cavity seals, electrical connectors, sealed switches, dust and waterproof covers, gaskets, "O" rings for jet engines and hydraulic installations, oxygen masks, regulating diaphragms, hot air ducts and Radar wireless shock absorbers, etc. Burn-resistant silicone is suitable for coating rocket fuel valves, power source cables and rocket silo covers to prevent burns from rocket jets. Room temperature curing silicone can be used as air-tight seals for airframes, window frame seals and shock-proof, moisture-proof potting materials.

construction industry

Silica gel has good weather resistance and construction properties, and has been widely used as a bonding sealant in the construction industry, surpassing other types of sealants. In recent years, low-modulus and high-elongation two-component sealants have been developed, which are used for large-scale components such as precast concrete parts and curtain walls with large joint movement. Room temperature curing silicone is also used for the sealing of asbestos cement board joints, bathroom tile joints and toilet utensils. With the decline of rubber prices in the future, the scope of application will be further expanded, such as replacing asphalt and neoprene in the application of road joints. High temperature curing silicone sponge strips are used as sealing strips for doors and windows of buildings.

medical field

Silica gel has good biocompatibility, small reaction to the body, stable performance, low blood coagulation, can withstand high temperature and high pressure multiple cooking, and can be processed into various shapes of products, such as films, sponges, airbags, is the current medical One of the most widely used materials.

Other fields

In addition to the various applications mentioned above, the application of silica gel in the fields of textile, printing, machinery, plastics, chemistry, papermaking, and food and cosmetics has also increased significantly. Typical products are rollers made of silicone for heat setting of fabrics, plastics, embossing, calendering and fixing in copiers. Air-conditioning windows made of silicone membranes have been used to store fruits and vegetables. In addition, silica gel has also achieved good results in textile high-temperature equipment and equipment with high concentrations of alkali, sodium hypochlorite and hydrogen peroxide.