CETIE Guide 3 | Mecmesin

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This guide is for producers of quality sparkling wines who carry out the secondary fermentation process in the bottle, also known as bottle fermentation. Contains refeence to torque testing These sparkling wines undergo two successive closure operations in the same bottle - either A: a tirage (bottling) closed by a "bidule" and metal crown cap with synthetic liner, or B: by a cap with built-in bidule, followed by final corking with a traditional cork (agglomerated cork/two disks of natural cork) or a micro-agglomerated cork, held in place by a wire cage (or "muselet"). To obtain free copies of guides from CETIE please see www.cetie.org