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The Silicone and PTFE Factory

MEREFSA is expert in manufacturing products with:

  • PTFE

Extrusion of silicone profiles and tubes

With about 50 years of experience in the extrusion of cords, tubes, profiles, sheets, bands and about 4000 different rows, we are one of the largest and most specialized silicone transformers in southern Europe. We export to the five continents, with the firm commitment of quality and service to our customers.

It is company policy to reinvest our benefits, in the acquisition and purchase of new technologies, increasing our machinery park year after year.

Silicone Profile Finder

Specialists in processes with silicone and PTFE

At MEREFSA we are specialists in all processes related to silicone and PTFE.


DESIGN                         LABORATORY

REPASTED                     EXTRUSION

CUTTING                       MOLDING


LATHE                           ENGRAVING

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Industrial sectors

We manufacture products for industrial sectors that carry out very diverse activities. Our commercial, design and quality team is able to advise and provide optimal solutions with the highest quality and speed to any product requested by our customers.



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MEREFSA acquires new logistic facilities of 600m² with a capacity of 400 pallets.

Key investment in times of COVID-19, to avoid possible product shortages. We reinforce and guarantee to all customers the supply of the whole range of products, increasing the stock of raw materials and semi-products. We maintain the company's internationalisation strategy and are committed to digitalisation in the form of an online business.

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Applications to fight COVID-19

Merefsa is a manufacturer of essential components of COVID-19.

We have dedicated new processes and systems to support any consultation related to COVID-19. We are elevating these inquiries and orders to a special priority and fast-track service to ensure rapid production and shipment.


We are currently collaborating on several projects for the manufacture of masks FFP2 and FPP3.


See more applications to fight COVID-19

Extrusion, molding, welding and silicone die cutting

With near to 50 years of experience and more than 4000 different dies, we are one of the largest silicone manufacturers by extrusion, with all types and shapes of silicone profiles at your disposal.

Our main domains are: domestic appliances, lighting, railway, hospital, foodstuff, textile, etc. We export to more than 30 countries over five continents .

Silicone Profile Finder


Our machining workshop, with manual lathes, numerical control lathes, automatic and CNC lathes, allows us to manufacture any type of part in any technical plastic.


Ovens with hot air recirculation

We have curing ovens with forced hot air reciculation of the latest technology.

These ovens allow us a superior quality production since our silicone profiles, both compact and spongy silicone, receive a contant and homogeneous temperature during the curing process, reducing the chances of rejection, as well as its tolerances

Manufacture of silicone compounds for extrusion and moulding

In our compounding facility we prepare the silicone raw material and add it with the necessary chemicals according to our customers' needs.

We manufacture compounds to measure, for those customers who need specific solutions. Tell us your requirements and we will help you to find your silicone.

Starting from 25 kg batches, we can manufacture any compound and colour.

Spongy silicone sheet

They have at their disposal one of the largest stocks of sponge silicone sheets, with thicknesses available permanently from 2mm to 25mm in white raw.

Ask our sales department and they will advise you on high density silicone sponge, foodstuff contact sponge silicone sheet and coloured silicone sponge.


Sponge silicone sheets

Compact silicone sheet

Our extensive stock of compact calendered silicone sheets allows us to offer our customers compact silicone sheets in thicknesses from 0.3mm to 15mm, in hardness 40, 50 and 60Shore A in translucent colors, white, red tile, blue and black.

Consult with our commercial department and they will be able to advise to them, on the plates of silicone of high temperature (+250ºC), plates of platinum silicone, fluorosiliconas, detectable silicones, etc.

Compact silicone sheets

Smooth wall PTFE tubing

Smooth, non-stick, thin wall PTFE fluoropolymer tubing with inner diametres fro 0.25mm up to 25mm with minimum order quantity.

Ask for our stock of standard dimensions such as: 2x4 , 4x6 , 6x8 , 8x10 , 10x12 , etc.

Smooth wall PTFE tubing

Coated glass fabrics with pure PTFE, antistatic PTFE, with or without adhesive backing

More than 3000m2 in stock of ptfe coated glass fabrics in different standard thickness, with and without adhesive backing. We can thus deliver in 24-72 hours to any place in Europe.

We have a highly specialized staff and cutting workshop, which allows us to offer you almost immediately any roll of PTFE impregnated fabric in widths from 5mm

PTFE impregnated Glass Fabric Coils

FEP/PFA encapsulated Silicone or FKM o-rings

Starting from 1.6mm cross section up to 25.4mm, we can supply encapsulated o-rings in silicone and viton core with FEP and PFA outer layer in any inner diameter.

Minimum orders from 120€, ask us if you want to combine different dimensions and qualities. Our standard delivery time is 12 working days.

We also supply standard encapsulated rectangular gaskets for cam & groove locks.

FEP or PFA encapsulated Silicone or FKM gaskets

Convoluted PTFE, FEP and PFA tubing

Our wide range of immediate delivery convoluted PTFE, FEP and PFA hoses include from 8mm (5/16") to 125mm (4") inner diametre. On request we supply antistatic graphite-filled PTFE tubing and very thin wall tubing for very closed bends.

Convoluted PTFE, FEP and PFA tubing

PTFE coated glass fabric slit rolls and Zone -Tapes

Manufacture of Zone-tapes to measure, the side adhesives can be different width to obtain an off-centered tape. Ptfe coated glass fabric slit rolls from 5mm width and 30 metre length. We have thicknesses of 0.08mm , 0.13mm , 0.16mm and 0.25mm for immediate supply with and without adhesive.

PTFE coated glass fabric slit rolls

PTFE-impregnated Glass Fabric Bands

In Merefsa we manufacture any tape, band or mesh in glass fabrics impregnated with PTFE, silicone or aramid and any length.

Glass Fabric Bands and Mesh Impregnated with PTFE

International expantion

We have adequate collaborators and sufficient resources. Our production potential is capable of meeting our expectations. Our continuous presence in the best international fairs, such as the Hannover Messe, has allowed us to be actively in contact with the market where our product is highly competitive. Our objective is defined, as well as the strategies, tactics and deadlines to achieve them.

  • We export to more than 40 countries.
  • Presence on 5 continents.
  • 35% of turnover in export.
  • Leader in national market


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Meshes and Fabrics

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Meshes and Fabrics

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Alianza Empresarial para la Vacunación Infantil
ED Empleo
Consorcio del Caucho
Control Energético


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



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 Av. Segle XXI 56, 08840 -Viladecans de 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, or by sending a registered letter to the indicated address.


Av. Segle XXI, 56 08840 Viladecans

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 a 14:15

Warehouse Schedule

Monday to Thursday from 9:00 to 13:00

Monday to Thursday from 14:00 to 17:00

Friday from 8:00 to 14:00

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