Aprons are rubber products. Round. So it's called apron! There are also many types:
A O ring
O-rings of various materials, diameter 1-5000mm
Sealing rings for secondary electronic products
It is mainly used for sealing potentiometers, junction boxes, capacitors, electronic instruments, experimental instruments, etc. The main materials are silicone rubber, fluorine rubber, ethylene propylene diene rubber, nitrile butadiene rubber, natural rubber and so on. With insulation, aging resistance, good elasticity and other characteristics!
Three Pipeline Sealing Ring
PVC Plastic Pipeline, Cast Iron Pipeline, Cement Pipeline Sealing Ring
Mainly used for pipeline sealing, cross-section V, B, O, etc. The diameter of sealing ring is 50-5000mm.
