Category Archive: Modern Applications

Exploring the Versatility and Benefits of Liquid Silicone Rubber in Modern Applications

Liquid silicone rubber (LSR) is a specialized type of synthetic elastomer that remains liquid until it undergoes curing. It is typically processed through injection molding, where it is injected into a mold cavity and then cured to form the desired product. Its versatility and performance make it a popular choice for applications requiring high precision and reliability.

In this article, we will examine the key properties of LSR and its applications across different industries.

Distinguishing Features of Liquid Silicone Rubber

The following characteristics of LSR make it a versatile material with a wide range of applications:


LSR is safe for prolonged contact with living tissues and bodily fluids. This property is crucial for medical applications, where implants, devices, and equipment must meet stringent biocompatibility standards.

Chemical Resistance

Liquid silicone rubber demonstrates excellent resistance to various chemicals, including oils, solvents, and cleaning agents. This is critical for applications where exposure to aggressive substances is inevitable, such as industrial machinery, chemical processing equipment, and medical devices.

Electrical Insulation

LSR is a preferred material for insulating electrical and electronic components. Its high dielectric strength and resistance to electrical breakdown make it suitable for cable insulation, electrical connectors, and circuitry encapsulation.


This material can easily conform to intricate shapes and contours; its elastomeric nature allows it to stretch and compress without permanent deformation. It can also maintain flexibility over time, ensuring reliable performance in demanding environments.

Heat Resistance

LSR exhibits remarkable heat resistance, retaining its mechanical properties and dimensional stability across a broad temperature range. This ensures the reliability and longevity of LSR-based products in demanding thermal environments, contributing to their widespread adoption in various industries.

Optical Clarity

Certain formulations of LSR offer exceptional optical clarity, allowing light to pass through with minimal distortion. This feature is essential for applications requiring transparent or translucent components, such as lenses, light guides, and optical sensors.

Modern Applications of Liquid Silicone Rubber

The following applications showcase the diverse capabilities of LSR across various industries:

Aerospace and Aviation

In the aerospace and aviation industry, LSR is utilized for sealing, insulation, and vibration damping. It is mostly used to produce seals and gaskets for aircraft engines, doors, and windows, where resistance to pressure differentials is critical. It also offers lightweight yet durable cabin comfort and safety solutions, specifically for aircraft interiors.

Automotive Industry

Liquid silicone rubber has numerous applications in the automotive sector, primarily for sealing. Its durability, heat resistance, and excellent sealing properties make it ideal for producing seals for engines, doors, windows, and other automotive components. Additionally, it is used to manufacture automotive lighting components.

Electronics and Electrical Industry

In the electronics and electrical industry, LSR is utilized for its exceptional electrical insulation properties and thermal stability. It encapsulates sensitive electronic components, such as circuit boards and sensors, protecting against moisture, dust, and mechanical stress. Additionally, its dielectric strength makes it suitable for applications where reliable electrical performance is critical.

Medical Devices

Due to its biocompatibility and flexibility, LSR is widely used in the manufacturing of medical devices. It is employed to produce various catheters, tubing, seals, surgical instruments, and more. It can also withstand sterilization processes, and its compatibility with human tissues makes it an ideal choice for critical medical applications.

Sporting Goods and Wearables

Due to its flexibility, comfort, and resilience, LSR is increasingly being utilized to produce sporting goods and wearables. It is suitable for grips, handles, straps, and protective gear for sports equipment and accessories. Furthermore, its ability to withstand physical impact, moisture, and extreme weather conditions makes it an ideal material for sports gear.

Choose ETI for High-Quality Molding Services

At ETI, we offer top-notch molding services utilizing LSR for various applications! With our state-of-the-art facilities and expertise in LSR technology, we deliver precision-molded components that meet the highest quality standards. Our experienced team works closely with clients to understand their requirements and provide tailored solutions for their unique needs.

Reach out to us with any inquiries or to request a quote.