Does anyone know what kind of seal this is?
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This type of sealing sheet is about 1 mm thick, similar to an oil seal; it is usually used with two or more sheets stacked together, and its inner diameter is generally about 5 mm smaller than the shaft diameter. The material should be modified PTFE. The manufacturer calls it an axis seal piece; I wonder if it’s also known as a lip seal? The key is where it’s available for sale?
It’s probably a matter of the price offered by the manufacturer :) Try searching on *Bao for more options; it’s just for reference :)
There isn’t any. 180 yuan per piece. I don’t think it’s that expensive. It is a modified tetrafluoro compound, though.
You only sent a view from one plane; should we consider a more comprehensive view, with the rubber ring cut open to see what the cross-section looks like? This would facilitate discussion and serve as a reference.
5mm small is kind of like a lip seal
With a thickness of 1 mm, just by looking at this plane, one can tell what the cross-section looks like. There is nothing inside.
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