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Features and materials of silicone seals

by:ORK      2022-10-13
Features and materials of silicone seals Silicone seals are installed on various mechanical equipment, under the specified temperature and pressure and in different liquids and gases, floating and sealing effect in static or moving states. Silica gel sealing ring material analysis (1) Fluorine rubber: high temperature resistance, can be used in -30℃-+250℃ environment, antioxidant, oil resistance, corrosion resistance. Generally used in high temperature, high vacuum, high pressure environment, suitable for oil environment. Fluorine rubber is widely used in crude oil, chemical industry, aviation, aerospace and other departments because of its various excellent characteristics. (2) Silica gel: It has outstanding high and low temperature resistance, and maintains good application elasticity and ozone resistance in the temperature range of -70℃-+260℃. It has the advantages of weather resistance and is suitable for sealing gaskets in thermal machinery. Insulation can be made because it does not have any toxicity. Insulation products and medical rubber products. 3. Nitrile rubber: It has good oil resistance and aromatic solvent performance, but it is not resistant to ketones, esters, chlorinated chemicals, etc. Therefore, nitrile rubber is mainly used for oil-resistant sealing products. 4. Neoprene: good oil resistance, solvent resistance, chemical substances and other properties, but not resistant to aromatic oil, which is characterized by aging resistance and ozone aging characteristics. Door and window sealing strips and valve sheets are usually made of neoprene, as well as general vacuum sealing products; 5. EPDM: good temperature resistance, weather resistance and ozone aging characteristics, general door and window sealing strip. Extensive automotive industry. 6. The PTFE composite gasket is made of PTFE and high-quality all-rubber, and adopts the unique production process of new sealing materials, combined with the excellent characteristics of PTFE and rubber, so that the product has excellent corrosion resistance, Heat resistance, non-toxicity, viscosity, elasticity and sealing.
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