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NEW NORMAL

Dominique Tourneix
CEO, Diam Bouchage since November 2020. He joined Oeneo
Bouchage as Industrial Director of the Closures division in
2003, before becoming Chief Executive Officer in September
2005. Under his leadership, Diam closures have enjoyed
spectacular growth. Now he is in charge of steering Oeneo
Group’s future development.

DIAM

Diam Bouchage specializes in manufactu-
ring of DIAM corks and Mytik Champagne
stoppers. These composite or agglomerated
“technical” corks combine the environmental
benefits and traditions attached to cork tree
bark with the guarantees of a man-made pro-
duct. Around 10,000 customers in 75 countries
number some of the industry’s biggest names,
including several First Growth Bordeaux, and
accounting for over 25% of Champagne pro-
duction.
The first Diam corks were produced in 2003
in south of France near the country’s Medi-
terranean border with Spain. Today, Diam is a product, and the manufacturing process in-
subsidiary of Oeneo, a French company with volved. That proprietary process ensures the
two divisions: Seguin Moreau and Vivelys on extraction of more than 150 potential con-
the one hand, specializing in cooperage and taminants and impurities, including the in-
winemaking know-how, and Diam Bouchage famous Trichloroanisole (TCA), while also as-
on the other. With production now averaging suring consistency of product, from bottle to
2.4 billion corks a year, made from 35,000 tons bottle, and for aging.
of hand-harvested cork, Diam is the world’s
largest producer of technical corks, measured RIDDING CORKS OF TCA AND
by value and volume. OTHER CONTAMINATION
Diam corks are made in France, Spain, and Diam’s phenomenal success is based on a
Portugal, with blanks shipped around the groundbreaking insight: Adapt the process
world to partners who handle final printing, used to decaffeinate coffee and extract nico-
distribution, and marketing. That ensures cus- tine from tobacco to removing contaminants
tomers a quick two to three weeks’ turnaround from cork. CO2 is converted into an interme-
from order to delivery. diary state between liquid and gas to clean
At Diam, the cork is grinded, then treated the cork and remove over 150 compounds
with the patented Diamant process. From the and impurities -- not just TCA! The patented,
French word diamant, meaning “diamond,” proprietary, and environmentally friendly pro-
the Diam name applies to the company, the cess – nicknamed “green chemistry” – not only
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