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Application knowledge of silicone rubber

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After vulcanization, silicone rubber has excellent high and low temperature resistance, weather resistance, hydrophobicity, electrical insulation, physiological inertia, etc. Silicone rubber can be divided into high temperature vulcanization type and room temperature vulcanization type according to its vulcanization temperature. Potting material or mold.

1. Aerospace and aviation industry
Silicone rubber can withstand extreme temperatures, remain stable under extreme stress conditions and harsh environments without affecting use, so it can be used to manufacture door and window and panel sealants, body cavity seals, gaskets inside and outside of aircraft or spacecraft Gaskets, sealing switches, sealing rings for engines and hydraulics, cable insulation and many other components. Ablation-resistant silicone rubber can be used for rocket fuel valves, silo cover coatings and power source cables. RTV silicone rubber can also be used as a potting compound for air-tight sealing, window frame sealing and moisture-proof and shock-proof. Fluorosilicone rubber has excellent oil resistance and is an ideal material for fuel control diaphragms, hydraulic lines and cable clamps. Both the ground and space station computers use keyboards made of silicone rubber. Silicone rubber has become one of the important high-performance materials in the aerospace and aviation industries.

2. Automobile industry
Silicone rubber has excellent insulation, heat resistance, oil resistance, aging resistance and other properties, which can improve the performance of various parts of the automobile and can be used in almost all aspects of the automotive industry. Silicone rubber is used in automotive gaskets and other sealants to provide strong, durable sealing protection for everything from headlights to oil filters, leak-proof and durable, and will not crack or break under extreme temperatures and pressures; For connectors, it can protect the electrical connections of automobile connectors, including electrical plugs and sockets, from moisture and corrosion; for spark plug protection covers, it can prevent spark plugs from splashing water, moisture and dust adhesion, which is important for the ignition system to operate well until It also has good electrical insulation properties and heat resistance; it is used for radiators, heat exchangers and water pump gaskets to ensure that these parts are not corroded during the delivery of antifreeze; it can also be used for cylinder head gaskets Sheets, engine covers, valve covers, oil pumps or oil pans to improve their oil resistance.

3. Electronics industry
The extremely professional application in the electronics industry puts forward high requirements for sealing materials, and the excellent characteristics of silicone rubber can fully meet the requirements of products in the electronics industry. Silicone rubber can be used as a seal in the engine industry where heating hoses and coolant hoses are extremely demanding; it can be used as the main material for insulating parts in engine gaskets, electronic packaging, control gear gaskets, circuits and decoupling. Special components for noise reduction; it can also be used as the main material of various electronic tubes or electrical components for coating and sealing, and has the effects of moisture-proof, dust-proof, shock-proof and improved electrical performance. Due to the wide operating temperature and burst strength of silicone rubber, hoses made of silicone rubber can avoid kinking and vacuum collapse. The cable industry uses silicone rubber for indoor and outdoor cable terminations, insulation and surge arresters. High pressure liquid silicone rubber is ideal for power transmission and distribution.

4. Other
Silicone rubber is also widely used in machinery, construction, textile, chemical industry, light industry, printing and other industries as insulation, packaging, sealing, moisture-proof and shock-proof materials. As a soft film material, it is widely used in the manufacture of cultural relics, handicrafts, toys, mechanical parts, etc. Silicone rubber-sealed semiconductors can be used in high-frequency communications such as industrial motors, locomotives, power supplies that require high-voltage switches, mobile phone base stations, satellites, and radars. Toys made of silicone rubber are not afraid of biting, have excellent touch, are easy to color and can be sterilized at high temperature, and the game equipment produced is durable and not afraid of wind and rain.

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