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O-RING
O-rings are the most widely used sealing parts and are made of round-shaped synthetic rubber or heat-resistant plastic. It is the simplest and most easily available part used for sealing.
According to temperature and fluidtexturemust be applied, and is divided into NBR, FKM, FFKM, VMQ, FVMQ, etc. accordingly.
O-rings also have different hardnesses. Hardness 70 and 90 are mainly used. The higher the hardness, the harder it becomes and the stronger it becomes under pressure. In terms of assembly, using hardness 70 is easier to assemble, but if you want to select an O-ring that can withstand even a little pressure, you may want to choose a hardness 90 O-ring.
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