After crushing the cork into granules, it is united again to form the handle of the stopper through a compression process and bonded with a special glue suitable for food products. This operation is essential to obtain the handle of the stopper with a uniform composition and density that allows creating the main body to which the natural cork discs will adhere.
In order for the plugs to have the correct dimensions and a completely cylindrical shape, it is necessary to perform one or more polishings after final assembly.
Poor control of the polishing process can lead to scratched or rough plugs.
