Liquid Silicone Rubber is used to produce elastic parts by injection molding. Its main properties range from high resistance against temperatures (both, high and low temperatures) and chemicals to high transparency and good mechanical properties. It is applied in automotive parts, electronics, medical devices, food and household appliances and many other sectors. Liquid Silicone Rubber is processed fully automatic in an injection molding machine. This article summarizes applications, processing and properties of LR.