What is Optical Transparent Liquid Silicone Rubber?
1. Definition
Optical transparent liquid silicone rubber (LSR) is a two-component, ultra-clear liquid silicone material. After crosslinking and curing, it forms a solid silicone rubber with specific light transmission properties. This material maintains its color stability and optical clarity even under prolonged exposure to harsh conditions, such as high temperatures or ultraviolet radiation.
2. Characteristics
High Transparency:
Optical transparent liquid silicone rubber exhibits exceptional transparency, allowing visible light to pass through almost unimpeded. This makes it an ideal material for lenses and other optical components in the optical technology field.
Excellent Processability:
The material offers outstanding processability, enabling the production of complex or microstructured optical components with strict tolerances.
Thermal Stability:
It can withstand prolonged exposure to high temperatures (e.g., up to 180°C) without yellowing. Even under long-term high temperatures and continuous exposure to artificial or natural light (including UV rays), it remains colorless and stable.
Aging and Weather Resistance:
The cured silicone exhibits excellent aging resistance, weatherability, and electrical insulation properties.
Hydrophobicity and Low-Temperature Flexibility:
The material also features hydrophobic properties and retains flexibility at low temperatures.

