Coravin
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Q: Does Coravin work on synthetic, plastic, or any other corks other than natural corks?

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Answers:

A: Because only natural corks re-seal after being punctured with the Coravin needle, any other types of cork other than natural corks will not work well with the Coravin system. There is one exception: The Coravin Pivot system does require you to replace the synthetic cork with a specially made Coravin stopper, instead of using the needle found in the other models, but because you are opening the bottle first to put the stopper in, the bottle of wine will only stay preserved for a max of 4 weeks.
By Anonymous