We prepare and customize silicone rubber with specific additives
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We manufacture silicone solutions tailored to a wide range of industrial sectors. Our experience allows us to serve diverse markets such as machinery, industrial supplies, chemical, petrochemical, pharmaceutical, food, textile (dyeing and finishing), transportation (aeronautics, automotive, railway, naval), industrial supplies, construction, lighting, and home appliances.
We offer full capabilities in design, laboratory, mixing, extrusion, cutting, molding, calendering, machining, turning, and engraving.
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At MEREFSA, we have a permanent stock of compact silicone sheets and plates, available in thicknesses ranging from 0.3 mm to 15 mm in rolls of 1,200 mm in width. We also offer other formats and dimensions upon request, adapting to the specific needs of each customer.
At MEREFSA, we offer silicone cords, also known as silicone ropes, in any size, hardness, and color. We manufacture custom solutions according to each customer's specifications, ensuring the highest quality and precision in every product.
At MEREFSA, we manufacture silicone tubes and hoses, both in standard sizes and custom dimensions according to the customer's specifications. Our production ensures the highest quality and adaptability for various industrial applications.
At MEREFSA, we manufacture rectangular silicone profiles with hardnesses available from 30 to 85 Shore A and the possibility of producing them in any custom RAL color, subject to a minimum manufacturing quantity. We offer unmatched delivery times, ensuring speed and efficiency in every order.
At MEREFSA, we specialize in the manufacture and supply of custom extrusion profiles, designed to meet the specific needs of each customer. Additionally, we excel in co-extrusion, an advanced process that allows the combination of two or more materials, optimizing their properties for demanding, high-performance applications.
At MEREFSA, we manufacture silicone profiles, also known as silicone seals, available in a wide variety of shapes. We have nearly 4,000 different extrusion tools, including seals and silicone profiles in various configurations, adapting to the specific needs of each customer.
At MEREFSA, we have a permanent stock of compact and sponge silicone sheets and plates, available in thicknesses ranging from 1.5 mm to 30 mm in 1-meter wide rolls. Additionally, we offer other formats and dimensions upon request, adapting to the specific needs of each customer.
At MEREFSA, we offer sponge silicone cords in various densities, ranging from 0.25 gr/cm³ to 0.53 gr/cm³. Available in a wide selection of diameters and different lengths, we also offer other formats and dimensions upon request, adapting to the specific needs of each customer.
At MEREFSA, we manufacture sponge silicone rectangular profiles in a wide variety of colors and densities, adapting to the specific needs of each application. We offer options with densities ranging from 0.16 gr/cm³ to 0.80 gr/cm³, ensuring versatile and high-quality solutions for various industrial sectors.
At MEREFSA, we manufacture sponge silicone profiles with a standard off-white color and a density of 0.25 gr/cm³. However, we offer the possibility to develop custom profiles, adapting to the specific needs of each application in terms of color, shape, and density.
At MEREFSA, we offer platinum-cured silicone tubes reinforced with fiberglass, polyester, or Nomex, designed for high-demand applications. These tubes feature a translucent high-tear silicone coating, ensuring excellent mechanical resistance, durability, and flexibility, adapting to various industrial and operational conditions.
At MEREFSA, we manufacture custom inflatable silicone gaskets for autoclaves, dynamic applications in laboratories, and metal or silicone valves. These pneumatic gaskets are designed to ensure an airtight seal, providing effective protection against the entry of dust, granules, gases, liquids, and dirt, ensuring integrity and efficiency in demanding industrial processes.
At MEREFSA, we are manufacturers of high-quality sleeves, offering solutions tailored to various industrial applications. We have a permanent stock of a wide range of silicone raw material formats and thicknesses, allowing us to guarantee immediate manufacturing service and offer highly competitive delivery times within the market.
At MEREFSA, we specialize in the manufacture of custom molded inflatable silicone gaskets, as well as rubber gaskets and welded o-rings, offering customized solutions for industrial applications that require precise sealing and high resistance.
At MEREFSA, we manufacture sealing and sealing gaskets, as well as die-cut flat gaskets, tailored to the needs of each application. We have specialized precision machinery for custom cutting of gaskets and silicone parts, ensuring a perfect fit and optimal performance in sealing and containment applications.
At MEREFSA, we specialize in silicone adhesives, offering a comprehensive service backed by our extensive experience in the industry. If you need advice on which adhesive is most suitable, how to prepare the surfaces, or how to apply it correctly, we are at your disposal to provide you with the best solution according to your needs.
At MEREFSA, we market the highest quality fiberglass fabrics and meshes, impregnated with PTFE and/or aramid. These materials have been treated with multiple layers of PTFE, ensuring a uniform thickness and excellent mechanical, thermal, and chemical resistance.
Thanks to their advanced properties, these fabrics and meshes are ideal for demanding industrial applications, offering a combination of durability, flexibility, and resistance to high temperatures.
At MEREFSA, we offer PTFE-impregnated fiberglass fabric rolls cut to the exact width required by the customer, ensuring a tailored solution adapted to each industrial application.
At MEREFSA, we manufacture bands, meshes, and tapes made from PTFE-impregnated fiberglass fabrics, aramid fabrics, and siliconized fiberglass fabrics, offering solutions with high thermal, mechanical, and chemical resistance for various industrial applications. Our products are designed to ensure excellent performance in demanding environments, providing durability, flexibility, and non-stick properties.
At MEREFSA, we manufacture PTFE baking sheets ideal for cooking food, pizzas, bread, and much more, in any format, including custom sizes. We adapt the size and specifications according to each customer's needs, ensuring optimal results in every application.
At MEREFSA, we manufacture custom-made cooking sheets for Qualisil ovens, tailored to the specific needs of each customer. We offer cooking sheets and baking mats in any format, ensuring thermal resistance, non-stick properties, and durability, making them ideal for applications in the food and baking industries.
At MEREFSA, we are manufacturers of virgin PTFE rods and tubes, as well as PTFE with fillers, offering a wide variety of sizes and permanent stock availability. Thanks to our immediate manufacturing capability, we guarantee fast delivery times and highly competitive prices, adapting to the needs of our customers and ensuring the highest quality in every product.
At MEREFSA, we offer semi-finished products in pure PTFE, filled PTFE, one-side treated PTFE, or PTFE with one adhesive side, available in both films and sheets. Our extensive stock of PTFE films and sheets allows us to guarantee the supply of high-quality materials, ensuring rapid availability and reliable service for all our customers' needs.
At MEREFSA, we specialize in the manufacture of machined parts in PTFE, developed from drawings or samples. We offer customized solutions, including the production of PTFE bellows, components, and gaskets, with the option of multi-load or multi-component, ensuring maximum precision and quality in every part.
At MEREFSA, we offer a wide variety of encapsulated silicone seals, designed to ensure high performance in demanding applications. We provide models encapsulated in FEP, PFA, and PTFE, in various formats such as O-ring, rectangular, or oval, as well as options with Camlock closures, adapting to the specific needs of each industrial application.
At MEREFSA, we offer Kamlock®-type encapsulated gaskets with a silicone or fluoroelastomer core and an FEP coating, designed for static applications. With square or rectangular sections, they are the standard solution in the chemical industry, as they prevent chemical attack and extend their lifespan, ensuring safe and long-lasting performance.
At MEREFSA, we manufacture die-cut flat gaskets for sealing and leak-proof applications, offering customized solutions or according to the most common standards, such as DIN, ASA, ASME, and API. Our expanded PTFE flat gaskets are made from 100% pure multidirectional expanded PTFE sheets, ensuring excellent chemical and mechanical resistance. Additionally, we have our own die manufacturing section.
At MEREFSA, we manufacture and supply high-quality PTFE tubing. We offer Teflon hoses and tubes with thin walls of up to 2 mm and inner diameters ranging from 0.25 mm to 25 mm, providing a versatile solution for fluid conveyance systems. Thanks to the properties of PTFE, these tubes stand out for their high chemical resistance, low friction, and excellent thermal stability, making them ideal for environments that require inert and highly durable materials.
At MEREFSA, we offer Expanded PTFE Profiles, a soft, malleable, and flexible material designed to ensure optimal sealing in various applications. Its adhesive side facilitates installation, especially on vertical surfaces, enhancing the ease and precision of assembly. Additionally, we supply this material in sheets and standardized seals, providing versatile, high-quality solutions for demanding industrial environments.
MEREFSA SLU
Castello, 9 • 08830 Sant Boi de Llobregat
Barcelona (Spain)
Tel (+34) 933 372 081
Fax (+34) 933 374 373
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
Monday to Friday from 9:00 to 14:00
From June 25th to September 10th from 07:00 to 14:15
Closed from 06/08/2025 to 25/08/2025
