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Diam Bouchage
The OENEO Bouchage group is a leading innovator in developing effective wine closure solutions. Key factors in Oeneo Bouchage's success is keeping the focus on continuing the quest for innovative solutions for wine closures, research and development along with direct and permanent contact with the market. The fact is, unlike any other corks that contain TCA, Diam corks are completely TCA-free. Because we haven’t just reduced the level of TCA in our corks, we’ve eliminated it. So they won’t just protect your wine. They will protect your reputation. So if you’re thinking about using any other brand – think again! DIAM: The TCA-free cork *Everything you think you know about cork is tainted.*

DIAM, a technological closure with a patented composition, manufactured from cork and treated by the exclusive DIAMANT process (eradication of 2,4,6TCA by supercritical CO2 treatment). Validation by Bureau Veritas concerning the “mastering of the Diamant process : capable of delivering a technological DIAM closure with a nonquantifiable releasable 2,4,6trichloroanisole (TCA) rate. Validation by independent laboratories. The only VINTECH 2004 gold trophy award. A consistent closure that offers: Unequalled organoleptic performances: A systematically controlled (1) production batch for a releasable TCA(2) rate per closure < QL (3). A controlled and consistent permeability : possibility to choose one of two levels (4) of permeability, depending on the profile of your wine. A consistent closure that reduces taste variation from one bottle to another. Exceptional physical and mechanical performances: Maximum online performance (5). Perfect insertion at bottling (5). Rapid elastic recovery (97% in 30 seconds). No leakage or capillary rising (5). No dust risk (5). Easy opening. A closure that offers the positive aspects of cork: An elastic, natural and ecological raw material. A material that compliments wine. A favourite with consumers. A unique guarantee to assure your consumer of a positive wine experience whilst respecting tradition: Cork tradition without the risk of cork taint. Indicative value according to internal testing, available upon request. Guarantee per cork. QL: the Quantification Limit of the analytical method by gase chromatography is 0.5ng/L. P10 (increased permeability) and P1. In compliance with our bottling and storage conditions.

THE PROBLEM Is it 3% or 5% or even 9% of wine bottles these days which are corked?! More? Less? One of the biggest issues confronting the wine industry today continues to be the presence of off flavours in corks. The culprit is thought to be 2,4,6 TCA (trichloranasole) either from corks or from cellars contaminated with TCA. TCA in miniscule amounts, measured in parts per trillion, can cause these off flavours. THE SOLUTION There is a solution: DIAM (the name is an abbreviation for what is known as the Diamant process) is a cork made from natural cork granules which have been decontaminated using a high tech solution known as super critical CO₂ (super critical is a physical state 'between' a liquid and a gas, where carbon dioxide acts as a very efficient solvent to remove TCA molecules), as well as 150 other compounds. DIAM IS DIFFERENT DIAM Technology - Beyond Steam Cleaning

Here is why Diam is better All cork granulate used to produce our DIAM closure is treated using super critical CO2. The super critical process as applied to the cleaning of cork also removes over 150 other compounds that are found in cork in addition to TCA. The DIAMANT technology allows us to give a specification for each individual DIAM cork. Our specification states that every DIAM cork in every batch will be below current detection limits for releasable TCA (0.5ng/l). DIAM is the only cork-based closure in the world with a specification on each cork in the batch, not an average of the batch. The DIAMANT process is a complete solution Diam is more than processed cork Diam has a unique makeup; of which there are three components: Cleaned cork granulate (DIAMANT processed). Food grade binder (similar to that used in other technical corks). Microspheres. DIAM. No TCA. Period.

The Diam cork is the only cork closure available which has releasable TCA at levels below detection thresholds of 0.5ng/L.

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