Legal notice


Mersen S.A.
2 avenue Gambetta
CS 10077

Tel.: +33 (0)1 46 91 54 00
Capital social : € 40,943,708
RCS Nanterre B 572 060 333




2 rue kellermann
BP 80157
Tel.: 0 820 698 765

By accessing the MERSEN website, the user accepts the terms of use below.


Trademarks, models, logos, copyrights and other intellectual and industrial property rights used on the website are the property of MERSEN or third party companies. Their mention grants no right of use without prior written consent from the owner of the trademark.
MERSEN is not responsible for the content of third party sites linked to this site. The user alone is responsible for their use.


All information accessible via this website is provided “as is”. MERSEN makes no representation nor give any warranties on  the accuracy of its content.
Despite all the care taken by MERSEN in the drafting of texts and in the publication of visual materials and downloadable documents, errors may remain in the content of this website.

MERSEN cannot be held responsible for any damage that may result from the use of information provided (errors, inaccuracies, omissions, damages, defects, destruction or viruses that may affect user’s hardware).


MERSEN can provide links to sites that are published and/or managed by third parties. MERSEN has no control on these sites and cannot be held responsible for the content of these links. The decision to click on the links belongs exclusively to the users of the website.

MERSEN reserves the right to modify, suspend or disable the access to this website without prior notice.


This site uses Google Analytics, from Google Inc. (“Google”) as a web analytics tool. This tool collects information anonymously to report website trends without identifying individual visitors. Google uses first-party cookies to track visitor interactions. Statistical reports issued with this tool help to improve the site content.

To disable this kind of cookies, some browsers display a message when a cookie is sent, allowing you to reject it case by case (see the help section of your browser for set up). Besides the possibility to reject cookies, you can download the Google Analytics Opt-out Browser Add-on. It can prevent Google Analytics to collect information about your visit.

Terms of use of Google Analytics:

In accordance with the French Law of January 6th 1978,  you have a right of access and rectification of  your personal information  by contacting, by post or e-mail, MERSEN’s Communication Management Department, Tour EQHO - 2 avenue Gambetta - CS 10077 - 92066 LA DEFENSE CEDEX - France.


Postings on Mersen’ social networks pages are handled by members of the Mersen group Communication team from Monday to Friday, 9am to 6pm CET.

This team is also in charge of moderating comments. Moderation is performed after the fact.

The following posts will be automatically deleted: 

  • aggressive postings, those that are contrary to the law and to online codes of conduct;
  • postings contrary to the rules of the sites hosting the pages;
  • postings in text speak or in upper case;
  • abusive postings, spam, trolling and/or those of a commercial nature (advertising, small ads, etc.);
  • private postings or postings that are wholly unrelated to topics discussed on the Mersen pages;
  • comments containing personal contact details.

Users can contact the Mersen team directly, either through private messaging when possible, or by email to, particularly if they believe that a posting may be contrary to the law or that it infringes their rights.
Comments on moderation must also be submitted by PM or email.

Content posted by users of the Mersen pages do not necessarily reflect the Group's point of view. All contributors are solely responsible for their postings (comments, photos, links, etc.). Mersen may not be held liable for such postings and the consequences of their dissemination.


Mersen’s website uses « AddThis » to enable users to share content via social networks, e-mail or by bookmarking its pages. If you don’t want “AddThis” to collect data through these buttons, you should not use them. For more information on data processing by AddThis LLC and its privacy policy, please visit Mersen doesn’t collect or store any personal data with this plugin.