Privacy & Cookies Policy

This website, like most Internet portals, uses cookies to improve the user experience and update their services according to their needs or requirements.

Currently this website uses its own and third-party cookies designed to analyze site traffic by collecting basic information anonymously to evaluate the effectiveness of the service, its navigation and statistical data of traffic, all aimed at improving our website and services. These third-party cookies implemented belong to the Analytics, Maps and ReCaptcha service belonging to the company Google Inc. In content management there may be links or inclusions to third-party services that can store cookies automatically without our knowledge (YouTube, Facebook, Twitter, etc).

Below you will find information about what cookies are, what kind of cookies this website uses, how you can disable cookies in your browser and how to specifically disable the installation of third-party cookies. If you can not find the specific information you are looking for, please go to e-mail

Acceptance of the cookie policy ?

By using the MEREFSA web portal, the user accepts the use of Cookies and consents to the processing of information about himself in the manner and for the purposes indicated below. However, MEREFSA shows information about its Cookies policy at the top of the main page of the web Portal at each session in order to make Users aware of it.

What are cookies?

Cookies are small files that some platforms, such as web pages, can install on your computer, smartphone, tablet or connected television. Its functions can be very varied: store your browsing preferences, collect statistical information, allow certain technical features, and so on. Sometimes, cookies are used to store basic information about the browsing habits of the user or their team, to the extent, depending on the case, of being able to recognize it.

Why are they important ?

Cookies are useful for several reasons. From a technical point of view, they allow web pages to work more agile and adapted to their preferences, such as storing their language or the currency of their country. In addition, help those responsible for websites to improve the services they offer, thanks to the statistical information they collect through them. Finally, they serve to make more efficient the publicity that we show you, thanks to which we can offer you services for free.

How do we use cookies ?

Navigating through this portal means that the following types of cookies can be installed:

Performance improvement cookies.

This type of cookies retains your preferences for certain tools or services so you do not have to reconfigure them each time you visit our portal and, in some cases, can be provided by third parties. Some examples are: volume of audiovisual players, article sorting preferences or compatible video playback speeds. In the case of electronic commerce, they allow you to keep information about your shopping basket.

Statistical analysis cookies

Are those that, well treated by us or by third parties, allow to quantify the number of visitors and statistically analyze the use made by users of our services. Thanks to this we can study the navigation on our website, and thus improve the offer of products or services we offer.

Geolocation cookies

These cookies are used by programs that try to geographically locate the situation of the computer, smartphone, tablet or connected television, in order to fully offer anonymous content and services.

Registration cookies

When you register on our website, cookies are generated that identify you as a registered user and indicate when you have identified yourself on the portal. These cookies are used to identify your user account and associated services. These cookies are maintained as long as you do not leave the account, close the browser or turn off the device. These cookies can be used in combination with analytical data to individually identify your preferences in our portal.

Advertising cookies

Are those that, well treated by us or by third parties, allow us to effectively manage the advertising spaces of our website, adapting the content of the advertisement to the content of the service requested or to the use made of our website. Thanks to her we can know your browsing habits on the internet and show you advertising related to your browsing profile.

Other third-party cookies

Cookies used in the Merefsa website

Google Analytics

As already announced, the MEREFSA web portal uses Google Analytics, an analytical web portal service provided by Google, Inc., which allows the measurement and analysis of navigation on web pages. According to the previous typology, they are analysis cookies.

Google Inc. is a Delaware company that has the main office at 1600 Amphitheater Parkway, Mountain View (California), CA 94043, EEUU ("Google").

MEREFSA uses Google Analytics cookies, which are text files that are located on your computer as a user of this web portal, because they allow us and help analyze the use that users make of the MEREFSA web portal.

MEREFSA through Google Analythics web analytics obtains information regarding the number of users accessing the Web, the windows visited, the frequency and repetition of visits, the duration of visits, the browser used, the operator provides the service, the language, the terminal that you use, or the city to which your IP address is assigned. Information that enables a better and more appropriate service by this web portal. The information generated by the Cookie on the use of the website (including its IP address) will be directly transmitted and archived by Google.

In your browser you can see the following 4 Cookies of the Google Analytics service used by MEREFSA, called:

  • "_utma": Session cookie that allows to monitor the activity carried out in the MEREFSA web portal by the Users.
  • "_utmb": Persistent cookie with expiration at 2 years, which collects standard registration information and data on the habits of the Users of the MEREFSA Web Portal anonymously.
  • "_utmc": Session cookie that will disappear from the user's computer such a good point ends the session in the web portal of MEREFSA.
  • "_utmz": persistent cookie with expiration 6 months after accessing the MEREFSA web portal
  • "_utmv"
  • "_ga"
  • "_utmt"
  • "_gat"
  • "CookieUser"

Google will use this information on behalf of MEREFSA for the purpose of tracking the use of the MEREFSA web portal, compiling reports on the activity of the web portal and providing other services related to the activity of the web portal and the use of the Internet.

MEREFSA and Google may only transmit this information to third parties when required by law, or when these third parties process the information on behalf of Google. Neither MEREFSA nor Google will associate your IP address with any other data they have.

Google advertising cookies

By accessing this Website you can download cookies associated with the domain "" (NID), "" (NID i PREF) and "" or "". These cookies are downloaded because they are linked to some google products and services used by this web portal.

Indeed, Google on one of its pages reports that it uses these advertising cookies "to be able to personalize the ads that are displayed on its services, such as Google Search. (...) Google also uses several conversion cookies whose The main purpose is to help advertisers determine the number of times people click on their ads end up buying their products. These cookies allow Google and the advertiser to determine that you have clicked on the ad and that you have subsequently accessed the advertiser's website. However, conversion cookies only last a limited period of time and Google does not use them for the targeting of interest ads. Normally, these cookies are enabled in the domains "" or "" and are called "Conversion" and "TAID". The conversion cookie data can also be used in conjunction with your Google account to link conversion events to different devices you use. Only anonymous data collected through these cookies are shared with advertisers. advertising cookies

If you click on the button to accept the cookies policy and after browsing the Web Portal, you can also download third-party advertising cookies under the domain of

Other third-party cookies

In some of our pages you can install third-party cookies that allow you to manage and improve the services they offer. An example of this use are links to social networks that allow us to share our content.

I was able to find more information about Google Analitycs cookies in the following link

In some of our pages you can install third-party cookies that allow you to manage and improve the services they offer. An example of this use are links to social networks that allow us to share our content.

How can I configure my preferences ?

You can allow, block or delete the cookies installed on your computer by configuring the options of your internet browser. In the event that you block them, it is possible that certain services that need their use are not available to you.

Below we offer links where you will find information on how you can activate your preferences in the main browsers:

Safari para IOS (iPhone, iPad)

Finally, MEREFSA informs the USER about the existence of a tool available online, which allows users to detect the cookies of each web portal they visit and manage their deactivation (for example, Ghostery:

If you wish to contact us regarding our cookies policy, you can do so at


If you have any questions or wish to contact us,
fill in the following form. We will respond as soon as possible.

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In compliance with the provisions of Organic Law 15/1999 of December 13, Protection of Personal Data, we inform you that, by completing this form, your personal data will be incorporated and will be treated in the files of Manufacturados Españoles de Resinas Fluoradas S.L., in order to be able to lend and offer our services as well as to inform you of the improvements of the website. Likewise, we inform you of the possibility of exercising the rights of access, rectification, cancellation and opposition of your personal data, in the above mail or on Av. Segle XXI, 56, (08840) Viladecans, Barcelona, Spain.


Av. Segle XXI, 56 08840 Viladecans

Barcelona ( Spain)

Phone +34 933 372 081

Fax (+34) 933 374 373

Opening Hours:

Monday - Thursday from 8:15 a 13:00

Monday - Thursday from 14:00 a 17:15

Friday from 7:00 a 14:15

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