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The Silicone and PTFE Factory

MEREFSA is expert in manufacturing products with:

  • PTFE

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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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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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

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

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.


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.

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

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.

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

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.

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.


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.

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-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.

Qualisil cooking and baking mats and sheets

Silicone cooking sheets in standard dimensions or made to measure. These mats can be supplied with your brand, name, telephone, etc.


Our oven sheets are apt for foodstuff contact and withstand more than 2000 uses in a temperature range from -50 ºC up to +250 ºC, allowing them to be used in freezers or in domestic or professional ovens.

Work with us

We are interested in new incorporations to our company.

If you are looking for a plan for the future and stability, we indicate you different areas in which we are in continuous expansion. 

Work with us


  • Silicone
  • Meshes and Fabrics
  • PTFE

Application Sectors

Machinery manufacturers, Industrial Supplies, Chemicals, Petrochemicals, Pharmaceuticals, Nutrition, Textiles (dyes and finishes), Transport (aeronautics, automotive, railway, naval), Industrial Supplies, Construction, Lighting, Household Appliances.

Manufacturing Processes

Design, Laboratory, Filling, Extrusion, Cutting, Molding, Calendering, Machining, Lathe, Engraving.


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Meshes and Fabrics

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Meshes and Fabrics

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Alianza Empresarial para la Vacunación Infantil
Consorcio del Caucho


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De acuerdo con las disposiciones del Reglamento General de Protección de datos, 679/2016 del mes de mayo de 2016, (en adelante, RGPD), le informamos que sus datos personales quedan recogidos en un fichero titularidad de Manufacturados Españoles de Resinas Fluoradas, S.L.U., con NIF B08207284, y sita en Av. Segle XXI 56, 08840 -Viladecans de Barcelona. Tratamos la información que nos facilita con el fin de prestarle el servicio solicitado así como para mantener la relación comercial según la legalidad vigente. Los datos proporcionados se conservarán mientras se mantenga la relación comercial o durante los años necesarios para cumplir con las obligaciones legales. Los datos no se cederán a terceros salvo en los casos en que exista una obligación legal. Usted tiene derecho a obtener confirmación sobre si en Manufacturados Españoles de Resinas Fluoradas, S.L.U. estamos tratando sus datos personales, por tanto tiene derecho a acceder a sus datos personales, rectificar los datos inexactos o solicitar su supresión cuando ya no sean necesarias. Para ello deberá solicitarlo por e-mail a, o bien dirigir una carta certificada a la dirección indicada.


Av. Segle XXI, 56 08840 Viladecans

Barcelona ( Spain)

Tel (+34) 933 372 081

Fax (+34) 933 374 373

Schedules & Calendar:

Monday to thursday from 8:15 to 13:00

Monday to thursday from 14:00 to 17:15

Friday from 7:00 a 14:15

Download annual calendar

Créditos / Credits
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