Covison^®

At Saint-Gobain's Sealing Solutions, we help customers achieve safety, performance, and brand assurance through a broad range of capabilities that rely on superior engineering and customer support.

Our AS9001, EN9100 approved plants are located in France and Germany; hence we can provide you the high-performance seal system that cover your global demands. We manufacture an entire range of engineered silicone seals co-designed with our customers to fit their applications perfectly. We bring our clients not only a ready to use solutions thanks to the various standards that our material fulfills but also a peace of mind solutions when you required a customized seal. We partner with you in the testing and qualification phase when you need it.

Under COVISON® and SIRPO® brands, we provide solutions in the aerospace, transportations, habitat, food, and various industrial sectors. With our expertise in silicone product design, we have delivered hundreds of projects to our clients. Either you require a variety of options like specific colors or self-adhesive or a sophisticated design like aircraft components, our experienced engineers will assist you all the entire process to make sure that you will receive the exact product that you seek.

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Silicone Seal Products

We STRIVE to deliver you the best performing Sealing Solutions.

Our Silicone Seals are tested and are compiled to industries' standards such as EN45545 in rail application, IP & IK rating for oven application, and dozens in the aerospace industry, to ensure that our products maintain high performance and durability under severe environments that your applications encounter.

Silicone is recognized as an elastomer with several advantages of its mechanical and chemical properties. In general, silicone has excellent temperature and fire resistance, sterile with high security for food and drug contact, abrasion resistance,

low tensile strength with good elongation to break, fluid and acid resistance, and many others. Those preeminent properties make silicone is considered as the top material for seals that suit in critical applications. Our product range is extensive: we provide profiles, gaskets, sheets, molded components, complex fabrics or inserts reinforced molded seal, tubes, self-adhesive or coated products.

Product Options

Molded Components

We provide a wide range of molded components with varied features and benefits for aerospace, automotive, habitat, and many other industrial applications. We use an extensive range of material types, and we offer advanced prototyping, our in-house design, and manufacturing capabilities. We use more than 1000 compounds to fit your demand in extruded profiles.

We provides strong expertise in extrusion, from small, thin parts with very demanding tolerances, to more extensive complex profiles. Our unique, longstanding experience and know-how help us to take on the most demanding designs or to add features when needed: extrusion with reinforcement (strips, for example) or co-extrusion with two hardness or two different materials.

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Saint-Gobain Sealing Solutions provides a wide range of materials, from thermoplastics to fluoropolymers, silicone, rubber or elastomers.

We provides strong expertise in extrusion, from small, thin parts with very demanding tolerances, to more extensive complex profiles. Our unique, longstanding experience and know-how help us to take on the most demanding designs or to add features when needed: extrusion with reinforcement (strings, for example) or co-extrusion with two hardness or two different materials.

Finishing, Assembly, Install Solutions

From welded or glued corners to frames, to metallic hooks or any others kind of assembly such as silicone sealing tape either one sided or doubled sided tapes for easy to install or in some conditions perform dynamic sealing, our willingness to design to function will add value on your supply chain, on your process, on your equipment.

Reinforced - Composite Molding

We offer a unique offer in fabrics and high performance silicone compounds that will help critical parts in use. Our seals can be reinforced with glass fibre, ceramic, aramid and polyester fabrics in order to enhance its performance in fire resistance, mechanical properties, friction behavior and so on.

We produce some of the most complex seals in the market and are always investing in R&D to create new solutions.