Why red wine stopper on the sealing foil has a small hole?
The envelope has another function in Europe. It is also used as an export certificate for wines. A custom metal envelope license called "CapsuleConge" is also available on French export wine envelopes. Some Wine bottle on the envelope can be found in some small holes, may be two, three or four holes, the intention was to Wine in the envelope is completely sealed, the opportunity to contact with air, usually young wine is more common, some intermediate Wine will also have this kind of practice.
In addition to the practical effect outside the metal envelope also beautify the bottle use, so some wineries painstakingly beautified the envelope, besides with the gorgeous totem, is similar to the seal bottle top, a pattern or winery appearance as sealing decoration.
The main purpose of a bottle envelope in wine is to prevent the leakage of liquid wine and the bite of a cork. If the wine is leaking or the oak barrel is damaged by worms, the quality of the wine is at stake.
The envelope Wine bottle, its function in preventing the pest invaded the cork in the bottle; sometimes the envelope can be found in some small holes, the intention was to Wine can have the opportunity to contact with air, usually light the age of the wine is more common. As many as Wine bottle cover material foil, only if the cutting envelope cutting in the bottle mouth below (about 0.4cm), when the wine may be cutting foil residue into the glass chip together. Therefore, when you cut the bottle mouth, it should be taken under the flange at the bottom of the bottle (about 1.5 cm) as the cutting point, so as to avoid swallowing the metal object.