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Extruded Silicone Seal & Gasket - China Supplier & Manufacturer

Extruded silicone seal & gaskets are custom-made seals formed through extrusion, creating long, continuous profiles ideal for various applications. These extruded silicone products offer exceptional flexibility, durability, and sealing performance, making them suitable for extreme environments and demanding industries.

Main Features

  • Customizable shapes and sizes
  • Temperature resistant from -60℃ to 200℃
  • FDA approved for food contact
  • High-quality 100% pure silicone
  • Flame retardant for enhanced safety
  • Water repellant for superior sealing
A close-up shot of a pile of Tenchy extruded silicone cords in various sizes. The cords are red and have a smooth, round cross-section

Extruded Silicone Seal & Gasket Types

Tenchy offers a comprehensive range of extruded silicone seal & gasket types, including: U, D, E, and P profiles, silicone cords, rubber strips, and various custom shapes tailored to specific needs. We also offer temperature-resistant door seals, extruded silicone rubber profiles, and durable rubber seals.

A close-up shot of a pile of Tenchy extruded silicone cords in various sizes. The cords are red and have a smooth, round cross-section
A variety of silicone sealing strips in U-shape, D-shape, E-shape and P-shape, all from the brand Tenchy.
Extreme Environment Resilience

Extruded silicone seal & gaskets are engineered to withstand a wide range of demanding conditions. Their exceptional temperature resistance, from freezing to high heat, ensures reliable performance in diverse environments. They are also inherently durable, capable of withstanding continuous use and extreme conditions, offering a long service life and reduced maintenance requirements.

Safety and Performance

Tenchy’s extruded silicone seals offer a unique combination of safety and performance features. They meet FDA regulations for food contact, ensuring hygiene and safety in food-related industries. Additionally, they are flame retardant, providing added safety in high-risk environments, and their hydrophobic nature makes them highly water-repellant, protecting equipment from moisture damage.

Superior Sealing and Insulation

Extruded silicone seal & gaskets provide exceptional sealing and insulation capabilities. They offer excellent insulation against thermal and electrical conductivity, making them ideal for sensitive applications where temperature stability and electrical safety are paramount. This makes them particularly valuable in electronics, medical devices, and other industries where preventing heat transfer or electrical interference is essential.

Premium Quality and Delivery

Tenchy prioritizes quality and customer satisfaction. Our extruded silicone seal & gaskets are not only made with high-performance materials but also arrive ready for use with premium packing and shipping, ensuring optimal condition upon arrival.

Why Choose Tenchy's Extruded Silicone Seal & Gasket?

Tenchy is your trusted source for high-quality, custom-made extruded silicone seal & gaskets. We offer a comprehensive range of extruded silicone products, unmatched customer support, and competitive pricing. Our commitment to excellence ensures you receive reliable sealing solutions that meet your specific needs and exceed your expectations.

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Silicone Seal & Gasket Parameters

Production Process Silicone Extrusion
Density 1.10-1.20g/cm³
Hardness 30 Shore A-80 Shore A
Temperature Resistance -60℃-220℃
Tensile Strength ≥8.0MPa
Elongation at Break ≥400%
Tensile Set 12%
Compression Set 35% (22 hours at 80.6°C)
Tear Strength ≥25 KN/m
Weather Resistance Durability, UV Resistance
Temperature Resistance
Moisture Resistance
Chemical Resistance Mild Acids and Hases Resistance
Solvents Resistance
Oxidation Resistance
Oil Resistance Oil Resistance
Hydrocarbon Exposure Resistance
Plasticizers and Lubricants Resistance
Water Absorption Low Water Absorption(<1%)
High Hydrophobic Nature
Cured Method Peroxide Cured

Extruded Silicone Seal & Gasket Applications

Extruded silicone seal & gaskets for windows in vehicles


Extruded silicone seal & gaskets are essential for sealing doors, windows, and engine compartments in vehicles, ensuring weatherproofing, noise reduction, and component protection. Their ability to withstand extreme temperatures, oils, and chemicals makes them ideal for this demanding industry.

Extruded silicone seal & gaskets applided in aircraft


Silicone’s ability to withstand extreme temperatures and harsh environments makes it ideal for sealing critical components in aircraft and spacecraft, ensuring performance and safety. Applications include sealing cabin pressure systems, fuel tanks, and electronic enclosures.

Extruded silicone seal & gaskets used in construction for windows, doors, and building structures

Construction and Building

Extruded silicone seal & gaskets are extensively used in construction to create durable seals for windows, doors, and building structures. They offer weather resistance, energy efficiency, and noise reduction, contributing to a more comfortable and sustainable living environment.

Extruded silicone seals used in medical devices to provide shock absorption for sensitive components

Electronics and Medical Devices

Extruded silicone seals are commonly used in electronics and medical devices to provide electrical insulation, heat dissipation, and shock absorption for sensitive components. Their ability to withstand extreme temperatures, oils, and chemicals makes them a valuable material for both electronics and medical equipment.

More Information

The production process of our extruded silicone seal & gaskets involves silicone extrusion, where 100% pure silicone is forced through a die to create continuous profiles. This process allows for precisely shaping the silicone material into various cross-sectional designs, ensuring a custom fit for each unique sealing requirement.

We offer customized sizing for our extruded silicone seal & gaskets, ensuring the perfect fit for your specific sealing needs. We also offer a range of hardness from 30A to 80A, allowing clients to select the optimal firmness for their application.

With a substantial daily capacity of producing up to 10,000 meters of extruded silicone seal & gaskets, we are equipped to meet the demands of large-scale projects and high-volume orders, ensuring timely delivery without compromising quality.


1: What are the main benefits of using extruded silicone seal & gaskets?
Extruded silicone seal & gaskets offer numerous benefits, including excellent temperature resistance, exceptional durability, FDA approval for food contact, flame retardancy, water repellency, and superior sealing performance.

2: What are the different types of extruded silicone seal & gaskets available?
Tenchy offers a wide range of extruded silicone seal & gasket types, including U, D, E, and P profiles, silicone cords, rubber strips, and various custom shapes tailored to specific needs.

3: Can I get customized sizes for my extruded silicone seal & gaskets?
Yes, we offer custom sizing for all our extruded silicone seal & gaskets to ensure a perfect fit for your unique requirements.

4: What industries are extruded silicone seal & gaskets used in?
Extruded silicone seal & gaskets are widely used in various industries, including transportation, aerospace, construction, electronics, medical, and more.

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