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Surface Treatment Technology of Special Thin Film for O-ring




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2023.03.23

Surface Treatment Technology of Special Thin Film for O-ring An O-ring is an annular packing having an O-ring (circular) cross-section. It is generally attached to the trench and properly pressed to prevent leakage of various fluids such as oil, water, air, gas, etc. It requires multiple functions such as long life, heat resistance, low temperature resistance, oil resistance, and the demand is increasing year by year. On the other hand, in the assembly process, with the aim of improving production efficiency, automated assembly has become the mainstream. In order to make the workplace environment cleaner, the need to abolish the application of assembly lubricants (insertion aids) is also increasing Special film surface treatment for O-rings [SP treatment] allows insertion and assembly without the need for lubricant (insertion assistance), while maintaining the original O-ring characteristics. It can improve operability and make the site cleaner. Summary of Surface Treatment [SP Treatment] for O-ring Special Film The surface treatment agent reacts chemically with the rubber surface to form an ultra thin non adhesive layer and a low friction surface. ■ Features The coating is colorless and transparent, very thin, only a few microns( μ m)。 There is no difference in physical properties between SP treated and non SP treated rubber materials. SP treatment can maintain low friction properties even after thermal aging and immersion. *The O-ring surface of the base must be satin treated. ■ Effects The O-ring can be installed with low load without using lubricant (insertion aid). Contaminants are not easy to adhere to and do not require lubricants (insertion aids), which can help improve leak detection accuracy. It can prevent adhesion between O-rings, and it is easy to handle automatic feeding (parts feeder, etc.). Helps prevent on-site environmental degradation caused by the dispersal of lubricants (insertion aids). It is not easy to carry static electricity.

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