The silicone seal the cause of the deformation and seal

by:TaiHai     2020-08-17


the cause of the silicone seal deformation and seal way


the silicone seal ring generally is often used in the industrial equipment, but in the use process is easy to cause the silicone seal deformation, then what is the cause of deformation, as well as how we should go to adopt the mode of the sealing


what is the main cause of silicone seal permanent deformation


as a result of the silicone seal with synthetic rubber material is belong to the viscoelastic material, so the initial amount of compression set and springback plugging ability through long


use, will produce permanent deformation and lost, eventually leak. Permanent deformation and elastic disappear is type O sealing ring seal performance lost


the following is the main cause of permanent deformation:


a. Temperature affects the silicone seal ring permanent deformation


use temperature is silicone seal permanent deformation of another important factor. Higher temperatures will accelerate the aging of rubber materials.


2. Compression ratio and tensile impact permanent deformation


production of silicone rubber sealing ring used in all kinds of recipe, under the compression state produces compression stress relaxation phenomenon,


3. Silicone seal permanent deformation due to the pressure of work medium


the working medium pressure is the main factor causing the silicone seal permanent deformation. Modern hydraulic equipment work stress are increasing. Long


high pressure function can make the silicone seal between the permanent deformation


the silicone seal of different sealing methods


type O sealing ring tight tight shutoff rate W should ponder question the choice of using conditions, static tightly closed or move close close; Tight shutoff is static and can be divided into


tight shutoff is radial and axial tightly closed; Radial tightly closed ( Or cylindrical static tightly closed) Leakage field is radial, axial tightly closed


( Or the most brief surface static tightly closed) The leakage of the clearing is axial space. Axial preface tightly closed according to the pressure effect on the inner diameter of the type O sealing ring in accordance with the


but outside diameter and points by the internal pressure and external pressure of two kinds of working condition, internal pressure to add stretch, reduce outside low type O sealing ring drawing at first.


so we in the use of silicone seal should pay attention to our way of packing, and attention may be the cause of deformation, welcome everyone to come to shenzhen rubber custom inquiry,









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