Synthetic quartz preform for optical fiber

Synthetic quartz preform is one of the product groups of Shin-Etsu Chemical that specializes in the silicon chemical business. It is a rod made of synthetic quartz of high purity. The inner structure is designed so precisely that any incident light passes through without attenuation.
The high-level and complex production process is backed by highly reliable quality control and computer technology, ensuring a stable and high quality.
Shin-Etsu Chemical was the first company to produce large-size preforms, and established mass production technology for preforms 200mmφ in diameter ×2,000 mm in length.