Optical grade liquid silicone is a silicone material with high transparency and excellent mechanical properties. After static mixing, the injection machine is used to inject the mold at room temperature or high temperature for molding. The production process has no powder or VOC, good processability, and high production efficiency. Applied in LED packaging, electronic components, automotive lighting, optical lenses, secondary optical lenses, light guiding devices, other configurations of optical devices, and other fields.