FIRST RUBBER

rubber stopper for vial Introduce the knowledge of rubber stopper for glass


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;
rubber stopper for vial Introduce the knowledge of rubber stopper for glass