USA - Wine searcher : Mumm Moves to Diam

"Champagne house says goodbye to natural corks and hello to Diam for its non-vintage
bubbles."

“You have less difference from one bottle to another with Mytik Diam. Natural cork is a piece of tree and you can’t control the permeability of the cork. With Diam, because it’s like powder, you can control the permeability.”

Wine searcher : www.wine-searcher.com

Download the article here : http://www.wine-searcher.com/m/2012/10/mumm-moves-to-diam