How much do you know about rubber stoppers for glass bottles? Low price 20mm rubber stopper Xiaobian will take you to a brief understanding.
A rubber stopper for glass bottles, comprising a rubber stopper body and a plastic stopper body used in cooperation with the rubber stopper body; the rubber stopper body includes a cylindrical rubber, an annular rubber, and a circular rubber bottom, and the annular rubber is fixed on the cylindrical rubber The outer surface of the peripheral side of the rubber, the circular rubber bottom is fixed on the lower surface of the cylindrical rubber; the inner wall of the cylindrical rubber is provided with threaded protrusions; the plastic plug body includes a cylindrical plastic body and a cylindrical The plug head on the end surface of the plastic body; the cylindrical plastic body is matched with the cylindrical rubber, and the outer surface of the peripheral side of the cylindrical plastic body is provided with a threaded groove; Air hole. The plastic plug body of the present invention can increase the sealing performance of the rubber plug body, and the cooperation between the threaded groove and the threaded protrusion makes the plastic plug body difficult to fall off from the rubber plug body, thereby increasing the sealing performance; when the glass bottle is pulled out, the cylinder There is no vacuum in the inner cavity of the shaped rubber, and it can be easily screwed out.

The above is the introduction of Low price 20mm rubber stopper: a brief introduction to the knowledge of rubber stoppers for glass bottles.