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Applications of Silicone Cord in Various Industries

Silicone cords are crucial in mass transit systems, providing durable and flexible sealing solutions for vehicles and infrastructure. Its resistance to weathering and temperature extremes makes it an ideal material for demanding public transportation conditions. 

In food manufacturing, silicone cord is used in sealing applications to maintain hygiene and prevent contamination, owing to its non-toxic and heat-resistant properties. Additionally, in the kitchen, silicone’s non-stick and heat-resistant nature is exemplified in items like oven mitts, offering protection and comfort to consumers.

The versatility of silicone cords extends across numerous sectors, proving essential in applications that demand resilience and longevity. Its unique properties address specific industrial needs, from withstanding the rigors of daily use in consumer products to fulfilling the stringent standards of technical equipment and machinery. In this post, we will discuss the main features of silicone cords and their applications in various industries.

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


Silicone Cord Overview

In various industries, silicone tubing is celebrated for its adaptability and performance. Custom silicone formulations allow for a wide range of attributes, including heat resistance and resistance to extreme temperatures, which are indispensable in environments subject to fluctuating thermal conditions. Door seals made from silicone cord exemplify its ability to maintain integrity and function across various domestic and industrial applications.

Due to its hydraulic and electrical insulating capabilities, silicone cord has become a go-to material for sealing and insulation. The automotive industry relies on silicone cords for their durability and performance in engine compartments, where they must endure harsh conditions. Similarly, the medical industry benefits from silicone’s biocompatible nature, using custom silicone cords in diverse applications, from surgical tools to implants.

The construction industry, among others, has recognized the potential of silicone cords as a suitable material for applications that demand both flexibility and strength. Silicone cord’s resilience against environmental factors and aging ensures its place as a reliable solution for sealing and protective purposes in numerous construction applications, solidifying its reputation as a versatile and dependable material.

Silicone Cord Features

Silicone cord boasts various features that make it highly sought after in industrial applications. Its resistance to extreme temperatures and flexibility over a wide temperature range ensure that silicone cord can perform reliably in the harshest conditions. Chemical resistance and biocompatibility are additional attributes that render silicone cords suitable for sensitive and critical uses, such as in the medical and food industries. Its high tensile strength supports demanding mechanical applications, while its versatility allows for customization to meet diverse industry needs.

Temperature Resistance

Silicone cord is engineered to withstand temperatures that would compromise other materials. Its thermal stability is a key feature, allowing it to maintain integrity in high- and low-temperature environments. This temperature resistance is a testament to silicone’s robustness and expands its utility across industries that operate across a wide thermal spectrum.

Silicone cord resists thermal degradation when used in baking molds or as part of an industrial machine operating at elevated temperatures. This reliability under thermal stress makes it a preferred choice for applications where maintaining performance at varying temperatures is critical.


Flexibility is one of the hallmark features of silicone cords, enabling them to bend and twist without losing their structural integrity. This malleable nature allows them to be molded and bonded into custom shapes and sizes, making them ideal for complex sealing and cushioning applications where adaptability is key.

The inherent flexibility of silicone cord is beneficial in scenarios where components require frequent movement or must accommodate irregular surfaces. From intricate electronics to robust industrial machines, silicone cord’s flexibility contributes to long-term functionality and reliability. In addition to silicone cord, these products are also available in silicone U, D, E, and P shapes

Chemical Resistance

Silicone cord’s capability to withstand temperatures is matched by its chemical resistance. This chemically stable material can endure exposure to harsh substances without degrading, preserving its properties and prolonging its lifespan in aggressive environments.

Its resistance to oils, acids, and solvents makes silicone cords a preferred choice in industries where chemical exposure is a routine challenge. This resilience protects the cord itself and safeguards the integrity of the applications it serves, from industrial equipment to medical devices.


The biocompatibility of silicone cords is paramount in the medical industry, where materials must not provoke an immune response when in contact with biological systems. Silicone’s inert nature ensures that it is non-toxic and hypoallergenic, making it an ideal candidate for medical applications ranging from tubing to implantable devices.

Medical devices incorporating silicone cords benefit from their compatibility with human tissue and their ability to be sterilized without deteriorating. This compatibility is essential for patient safety and the effective functioning of medical equipment that directly interacts with biological tissues.

High Tensile Strength

Another defining characteristic of silicone cord is its high tensile strength, which enables it to withstand significant stretch and stress without tearing or snapping. This durability ensures that silicone cords can be utilized in applications with crucial mechanical strength, such as heavy machinery or structural supports.

The ability of silicone cord to resist mechanical forces without compromising its integrity is instrumental in its use in the automotive and aerospace sectors, where materials are subjected to continuous stress and must perform reliably over time.


The versatility of silicone cord is evident in its widespread use across many industries. Its unique properties provide flexible solutions for the varied challenges that aviation design engineers face, such as sealing and protecting aircraft parts exposed to incredible temperatures and extreme pressures. Safety is critical in the aerospace sector, and materials conform to industry safety standards, with silicone cords being no exception.

From industrial applications to consumer products, silicone cords can be customized to meet specific requirements, demonstrating their capacity to conform to industry safety specifications. This adaptability, combined with its robustness and reliability, cements silicone cord’s status as a key material in innovation and development.

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Silicone Cord Applications

Silicone cord’s applications are as diverse as the industries it serves. Mass transit provides seals and gaskets that endure daily wear and tear. Food manufacturing utilizes silicone for its non-toxic and heat-resistant qualities, ensuring safety and hygiene. Applying silicone cords in consumer products like oven mitts demonstrates its thermal protection and user-friendly attributes. Each use case leverages silicone’s unique properties to deliver durable and effective solutions tailored to industry needs.

Computers and Electronics

Silicon-based materials are fundamental to the computer and electronics industry, providing thermal stability and protection for sensitive components. Silicone cord, with its heat resistance and insulating properties, safeguards electrical transmission applications, ensuring consistent performance and longevity of devices.

Silicone cords also benefit LED lighting systems. They serve as a heat-dissipating element, maintaining the efficiency and lifespan of the LEDs. Their reliability under thermal duress makes silicone cords a vital component in the ever-evolving field of electronics.

Personal Care Products

Applying cosmetics often requires precision and durability, attributes that silicone cord offers. It is used in designing various personal care tools, providing a comfortable grip and resistance to the chemicals found in beauty products.

Similarly, just as computers and electronics necessitate materials that can endure regular use and exposure to various substances, personal care products also benefit from the resilient nature of silicone cords, which can withstand the rigors of daily application and cleaning.

Crafting and DIY Projects

For crafting enthusiasts and DIY project doers, silicone cord provides a malleable and durable medium. Its ability to be shaped, cut, and adhered to other materials makes it a favorite for homemade creations that require a flexible yet strong component.

The versatility of silicone cord allows it to be incorporated into a myriad of projects, from jewelry making to home repairs, offering a practical and reliable solution for creative and functional endeavors alike.

Automotive Seals

In the automotive industry, door seals made from silicone cords ensure a vehicle’s cabin remains insulated from noise, moisture, and external temperatures. The cord’s durability and resistance to wear make it ideal for continuous door opening and closing.

Rubber extrusions like silicone cords are also critical in forming rubber seals that protect the engine and other vital components from dust, debris, and water ingress. This application underscores the material’s significance in maintaining the safety and efficiency of automotive operations.

Medical Devices

Medical devices benefit extensively from silicone cord’s biocompatibility and chemical inertness, which are essential for patient safety and device efficacy. Custom-shaped cords can be integrated into medical equipment, providing sealing and cushioning functions without risk of adverse reactions.

The sterility and non-reactivity of silicone cords make it a trusted choice for applications within the human body, from catheters to surgical implants, where material integrity and patient compatibility are of the utmost concern.

Construction and Architecture

In construction and renovation, silicone cord plays a pivotal role as an enabler of durable and long-lasting structures. Its inherent properties make it an excellent choice for use as adhesives and sealants, contributing to the integrity and longevity of architectural elements. Silicone sealants are particularly favored for their ability to withstand extreme environmental conditions and prevent bacteria build-up, which is crucial for maintaining healthy indoor air quality.

Furthermore, silicone adhesives are employed to secure components in place, offering a flexible yet strong bond that accommodates buildings’ natural movement and settling. The use of silicone cord in construction not only enhances structural robustness but also aids in achieving seamless finishing touches, which are essential for both aesthetic appeal and functionality.


Aviation industry standards demand materials that can withstand harsh conditions, and silicone cord rises to the occasion. Employed extensively throughout the aircraft, silicone cords provide vital sealing solutions that can withstand dramatic changes in pressure and temperature. They are crucial in maintaining the integrity of cabin pressure, ensuring passenger and crew safety, and contributing to the overall aerodynamic efficiency of the aircraft.

The durability and resistance to extreme environmental stressors make silicone cords indispensable for various aviation applications. These range from door seals to window gaskets, fluid transfer tubing and vibration dampening. In an industry where safety and precision are paramount, silicone’s reliability is a trusted ally.


Within the kitchenware industry, silicone cord finds its niche in the manufacturing of bakeware and cookware. Its non-toxicity and heat resistance make it an ideal material for products that come into direct contact with food. Silicone cords are used to create tight seals on storage containers, ensuring freshness and preventing spills. They also serve as handles and trims on pots and pans, providing a safe, cool grip.

Moreover, silicone bakeware’s non-stick nature simplifies the cooking and baking process, as it allows for easy food release without the need for additional oils or sprays. Silicone cord’s versatility extends to its varied color and shape adaptability, matching the aesthetic preferences of contemporary kitchen designs.

Sporting Goods and Apparel

The sporting goods and apparel industry benefits from applying silicone cords, particularly in enhancing the comfort and performance of various sporting equipment. Diving masks, for instance, utilize silicone cords to secure the mask to the diver’s face, ensuring a watertight seal that is both comfortable and adjustable to diverse face shapes. Silicone’s hypoallergenic properties reduce the risk of skin irritation, making it suitable for prolonged use in sporting environments.

Apart from diving masks, silicone cord is integrated into the design of swim caps, goggles, and other wearable sporting accessories, where flexibility and fit are paramount. Its resistance to degradation from sunlight, chlorine, and saltwater ensures that silicone cord remains a durable and reliable component in producing high-quality sporting goods.

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Throughout various sectors, silicone engineers have meticulously harnessed the unique properties of silicone cords to meet the dynamic needs of applications in the manufacturing industry. Its exceptional stability and age resistance enable products to withstand harsh environmental challenges like acid rain and extreme temperature fluctuations. These cords serve not just as components that transfer energy or signals but also as vital adhesive and sealant solutions, contributing to the longevity and reliability of end products.

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Tenchy is a leading supplier in silicone rubber manufacturing, we have silicone extrusion lines, solid silicone molding machines and LSR molding machines. We are professional manufacturer of silicone products for over 13 years.

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