Phenyl silicone oil, as an important member of the silicone oil family, has demonstrated unique application value in multiple industrial fields due to its excellent high-temperature stability and antioxidant properties. This silicone oil is a product obtained by partially replacing methyl groups with phenyl groups. According to the different content of phenyl groups, it can be divided into various types such as low phenyl silicone oil, medium phenyl silicone oil, and high phenyl silicone oil.

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High phenyl silicone oil is described as aromatic siloxane in chemical symbols, and due to the presence of phenyl groups, it enhances antioxidant, thermal stability, and shear resistance. Therefore, high phenyl silicone oil can be used as a heat exchange fluid, dielectric coolant, impregnating agent for sintered metal bearings, and base oil for high-temperature fluids. In a closed anaerobic system, high phenylsiloxane can be stable for thousands of hours at 250 ℃ and can be used in oil baths.


In addition, phenyl silicone oil with low phenyl content can be used at lower temperatures as a lubricant for critical equipment such as timers and systems involving rubber, plastic, and aluminum frosted surfaces. Phenyl silicone oil also exhibits good radiation resistance and can still be used under irradiation up to 200 megarads, which makes it widely applicable in the aerospace field.