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When the perfluoro O-ring is installed, in order to reduce the wear and tear of the perfluoro O-ring, we can use grease and other methods to reduce wear and tear, and pay attention to the tensile strength during installation. Anti-deformation, etc. So, what should we pay attention to when installing perfluoro O-rings?
(1) Lubricating elastomer seal installation can reduce wear and seizure by using lubricating grease. Generally speaking, a thin lubricating film is necessary for the installation of O-rings, because perfluoro seals are used in harsh conditions, and the lubricating oil can improve the seal's ability to withstand high temperature carbonization and cracking. In most cases, the sealed medium is used as a lubricant, fluorinated oil, such as Krytox or powdered graphite can also be used as a lubricant. Even if lubricating oil is used, the installation process of the seal must pay attention to reduce the damage to the O-ring.
(2) The elongation at break of most perfluoroelastics is 120% ~ 170%. When installing the 0-ring, you must pay attention to the elongation data to prevent the O-ring from breaking if it exceeds the breaking elongation. Generally speaking, the degree of elongation of the O-ring should be controlled within 50% of the elongation at break. If it is difficult to install, the O-ring should be softened in hot water and installed correctly. This method can avoid damage to the seal.
Through the correct installation method, we know the matters needing attention. When we install the perfluoro O-ring, we know what to do to reduce the wear and so on, so the number of scrapped O-rings will be reduced. So, do you know what to pay attention to during installation?
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