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Applications to fight COVID-19

At Merefsa, we are leaders in manufacturing silicone and PTFE products through extrusion, molding, and die-cutting processes. Additionally, we have played a key role as suppliers of essential components to combat COVID-19.

We have adapted our processes and systems to provide direct support in the fight against COVID-19. Our production team has prioritized inquiries and orders related to this effort, ensuring the best service during this critical time.

Materials Used


We are currently collaborating on various projects for the development and manufacturing of masks and ventilators, actively contributing to the fight against the pandemic.

Seal and Flat Gasket for Mask Filter


The sealing gasket is located on the outer edge of the mask, compressing to create a perfect seal with the face. Inside the breathing valve, the compact silicone washer acts as a key component to ensure safe and efficient mask operation.

Silicone facial gasket and compact valve washer

All Types of Parts and Gaskets for Ventilators


Silicone parts designed to cushion and absorb vibrations in ventilators and respirators, improving their performance and durability.

Silicone membranes for respirators, ensuring precise and safe operation.

Silicone Shock Absorber for Ventilators

Ventilation Frame


Silicone gasket used to seal and protect air vents in critical operating rooms, ensuring a sealed and contaminant-free environment.

Ensuring a sterile atmosphere is essential for the proper functioning of these rooms.

Silicone Ventilation Gasket
Brighteye
ICEX-FEDER-Hannover19
Consorcio del Caucho
Control Energético

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In accordance with the provisions of the General Data Protection Regulation, 679/2016 of May 2016, (hereinafter, RGPD), we inform you that your personal data will be included in a file owned by Manufacturados Españoles de Resinas Fluoradas, S.L.U., with NIF B08207284, and located in Castelló 9, ( 08830) Sant boi de Llobregat, Barcelona. We treat the information you provide us with in order to provide you with the requested service as well as to maintain the commercial relationship in accordance with current legislation. The data provided will be kept as long as the commercial relationship is maintained or for the years necessary to comply with legal obligations. The data will not be passed on to third parties except in cases where a legal obligation exists. You have the right to obtain confirmation as to whether Manufacturados Españoles de Resinas Fluoradas, S.L.U. is processing your personal data. You are therefore entitled to access your personal data, rectify inaccurate data or request their deletion when they are no longer necessary. To do so, you must request it by e-mail to rgpd@merefsa.com, or by sending a registered letter to the indicated address.
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MEREFSA SLU

Castello, 9 08830 Sant Boi de Llobregat

Barcelona (Spain)

Tel (+34) 933 372 081

Fax (+34) 933 374 373

Office Schedule

Monday to Thursday from 8:00 to 13:00

Monday to Thursday from 14:00 to 17:15

Friday from 7:00 to 14:15

Warehouse Schedule

Monday to Friday from 9:00 to 14:00


Summer Intensive Schedule 2025

From June 25th to September 10th from 07:00 to 14:15


Summer Vacation

Closed from 06/08/2025 to 25/08/2025


Download Merefsa's annual calendar

Page Code: DT5e95b221

https://www.merefsa.com/clnk/DT5e95b221

Créditos / Credits
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