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Corkcoal combines two materials; cork and activated charcoal. The latter naturally neutralizes and traps unwanted substances in the cork, as well as accepting and integrating variations in color and size of the micro granulate.
Estal’s Corkcoal is unique, therefore, in terms of sustainability because it reduces rejects and raw material waste without sacrificing quality; because the industrial cork washing processes are reduced and chemical bleaches are not used, and, therefore, its carbon footprint is lower. In addition, the active charcoal accelerates the biodegradation process of the stopper. Compared to other stoppers, due to its materials, Corkcoal offers a lower transfer of flavors to the product, and being neutral it also has better organoleptic properties.
