
What Is Optical Liquid Silicone Rubber (LSR) ?
In the rapidly advancing world of precision optics, LED lighting, wearable electronics, and medical technology, the demand for high-performance materials is growing faster than ever. Among the most versatile and innovative materials leading this evolution is optical liquid silicone rubber (LSR). But what exactly is optical liquid silicone rubber, and why is it becoming a go-to material in optical and lighting applications? This article explores everything you need to know — from its properties and advantages to its production process and real-world applications. What Is Optical Liquid Silicone Rubber? Optical liquid silicone rubber (LSR) is a specialized type of two-part, platinum-cured silicone elastomer that is designed to offer high transparency, clarity, and light transmission, similar to that of glass or