Liquid Silicone Rubber Properties

Liquid Silicone Rubber (LSR) stands as a remarkable material in the modern industrial landscape. It’s not just a material; it’s a resource opening doors to endless possibilities across a myriad of sectors. Let’s delve into the world of Liquid Silicone Rubber and explore why it’s becoming a go-to choice for many industries.

liquid silicone rubber injection molding

Why Choose Liquid Silicone Rubber (LSR)?

The transition to Liquid Silicone Rubber isn’t arbitrary but anchored in a host of compelling reasons. Here we outline a few:

  1. Temperature Resilience: LSR exhibits a high degree of temperature resistance, maintaining its structural integrity across a wide temperature spectrum, making it invaluable in extreme environments.
  2. Elasticity and Flexibility: Its elastic nature makes LSR a prime choice for dynamic applications where material flexibility is a prerequisite.
  3. Chemical Inertness: LSR’s chemical inertness means it remains unaffected by most chemicals, ensuring longevity and reliability in varied applications.
  4. Biocompatibility: In sectors like healthcare, the biocompatible nature of LSR makes it a preferred choice for a myriad of medical applications.
  5. Electrical Insulation: The material’s excellent electrical insulation properties are indispensable in electrical and electronic applications, protecting against electrical hazards.

How Is Liquid Silicone Rubber Used?

Liquid Silicone Rubber finds its application across a gamut of industries, thanks to its resistance to steam, heat, and moisture, coupled with its purity. It’s a staple in environments necessitating stringent hygiene controls like ISO clean rooms, and in scenarios demanding sterilization. Key components like gaskets, seals, and diaphragms in household appliances like dishwashers, gas furnaces, and water heaters rely on LSR for performance in extreme conditions. Its oil and heat resistance, superior sealing attributes, and insulative properties are quintessential in automotive components, finding its usage in numerous vehicle parts including under the hood, in EV battery packs, sensors, and electrical connectors scattered across the vehicle.

Properties of LSR Parts

  1. Chemically Inert: LSR parts remain stable and unaffected by most chemicals, contributing to their durability and wide applicability.
  2. Hypoallergenic: Their hypoallergenic nature makes them safe for human contact, essential in medical and consumer product sectors.
  3. Biocompatible: The biocompatibility of LSR parts is crucial in medical applications, ensuring safety and functionality.
  4. Physical Properties: LSR parts exhibit excellent mechanical and physical properties which include but are not limited to elasticity, flexibility, and temperature resistance.
  5. Ease of Sterilization: LSR parts can be easily sterilized, making them suitable for medical and food-grade applications.
  6. High Purity: The high purity level of LSR parts makes them an excellent choice for hygienic and medical applications.

LSR Injection Molding for baby silicone

Liquid Silicone Rubber Applications

Liquid Silicone Rubber, with its array of beneficial properties, finds a broad range of applications. From healthcare to automotive, from consumer products to industrial applications, LSR’s versatility is well-acknowledged. Here at Jiaza Silicone Tech, we understand the essence of quality and precision. Our products like valves for IVs, diaphragms in pumps, gaskets in connectors, and bellows and membranes are tailored to meet the rigorous demands of modern industries. The design flexibility of LSR allows for customization to cater to specific application demands, making it a common choice across sectors.


The expedition into the properties and applications of Liquid Silicone Rubber underscores not just the material’s prowess but also the boundless opportunities it unfolds across industries. Its potential is enormous, and here at Jiaza Silicone Tech, we are at the forefront of harnessing the remarkable attributes of LSR to deliver solutions that are not just effective but also innovative. Through a blend of expertise and technology, we continue to push the boundaries, contributing to the evolving narrative of Liquid Silicone Rubber in modern industrial applications.